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Dell-Systemes-Dell-PowerEdge-T710-Manuel-du-proprietaire
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Dell-Dimension-3000-Manuel-du-proprietaire
Dell-PowerEdge-R210-Technical-Guide
Dell-Inspiron-Manuels
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Dell-Venue-Pro-Manuel-de-l-utilisateur
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Dell-PowerEdge-C5125-Manuel-du-proprietaire-du-materiel
Dell-Latitude-D630-Manuels
Dell-Vostro-400-Manuel-du-proprietaire-Mini-Tower
Dell-Systemes-Dell-PowerEdge-T100-Manuel-du-proprietaire
Dell-OptiPlex-9010-7010-compact-Manuel-du-proprietaire
Dell-PowerVault%20NX3200-Manuel-du-proprietaire
Dell-Inspiron-1200-et-2200-Manuel-de%20l-utilisateur
Dell-Vostro-1540-1550-Manuel-du-proprietaire
Dell-Inspiron-8600-Manuel-du-proprietaire
Dell-PowerVault-Baie-de-stockage-MD1120-Manuel-du-proprietaire
Dell-Dimension-E521-Manuel-du-proprietaire
Dell-Inspiron-9100-Manuel-du-proprietaire
Dell-Vostro-3360-Manuel-du-proprietaire
Dell-Systemes-Dell-PowerEdge-T300-Manuel-du-proprietaire
Dell-XPS-One-2710-manuel-d-utilisation
Dell-Inspiron-1150-Manuel-du-proprietaire
Dell-Latitude-E5530-Manuel-du-proprietaire
Dell-Inspiron-660-Manuel-du-proprietaire
Acceder-au-site-Dell
Dell-Manuel-du-proprietaire-des-Dell-Latitude-E6420-et-E6420-ATG-Francais
Dell-OptiPlex-9010-Tout-en-un-Manuel-du-proprietaire
Dell-Vostro-3560-Manuel-du-proprietaire
Dell-Systemes-Dell-PowerEdge-T110-Manuel-du-proprietaire
Dell-server-poweredge-m710-tech-guidebook_fr
Dell-Systemes-Dell-PowerEdge-R420-Manuel-du-proprietaire
Dell-Latitude-5420-E5420-E5420m-Manuel-de-l-utilisateur
Dell-Latitude-E6320-Manuel-de-l-utilisateur
Dell-Systemes-Dell-Inspiron-8200-Manuel-de-l-utilisateur-Francais
Dell-server-poweredge-r610-tech-guidebook_fr
Dell-server-poweredge-t710-technical-guide-book_fr
Dell-server-poweredge-m1000e-tech-guidebook_fr
Dell-server-poweredge-m610-tech-guidebook_fr
Dell-poweredge-r210-technical-guidebook-en_fr
Dell-MANUEL-ALIENWARE-M15x-MOBILE-Manuel-de-l-utilisateur
Dell-Axim-X51-X51v-Manuel-de-l-utilisateur
Dell-Beats-By-dr.dre-Manuel-et-Garantie
Dell-Dimension-3100C-Manuel-du-proprietaire
Dell-Precision-Workstation-T3600-Manuel-du-proprietaire
Dell-Vostro-200-Manuel-du-proprietaire-Slim-Tower
Dell-ALIENWARE-MANUEL-DE-L-ORDINATEUR-DE-BUREAU
Dell-OPENMANAGE-POWER-CENTER-1-1-Guide-d-utilisation
Dell-Vostro-360-Proprietaire-du-manuel
Dell-Dimension-3100C-Manuel-du-proprietaire
AlienwareArea-51Area-51ALX
Dell-Ordinateurs-de-Bureau-PC-Portables-Netbooks/AlienwareAurora-R3
AlienwareAurora-R4
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Chassis-RAID-Dell-PowerVault-MD3000i-Manuel-du-proprietaire
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Dell-Baie-de-stockage-Dell-PowerVault-MD1000-Manuel-du-proprietaire
Dell-Boîtier-Dell-PowerEdge-M1000e-Manuel-du-proprietaire
Dell-Clavier-Axim-Manuel-du-proprietaire
Dell-Dimension-3100-E310-Manuel-du-proprietaire
Dell-Dimension-9200-Manuel-du-proprietaire
Dell-Dimension-E520-Manuel-du-proprietaire
Dell-Imprimante-laser-Dell-1100-Manuel-du-proprietaire
Dell-Imprimante-laser-de-groupe-de-travail-Dell-M5200-Manuel-du-proprietaire
Dell-Imprimante-laser-monochrome-Dell-5330dn-Mode-d-emploi
Dell-Imprimante-laser-multifonction-Dell-1600n-Manuel-du-proprietaire
Dell-Inspiron-13z-Manuel-du-proprietaire
Dell-Inspiron-17R-Manuel-du-proprietaire
Dell-Inspiron-530s-Manuel-d-utilisation
Dell-Inspiron-530s-Manuel-du-proprietaire
Dell-Inspiron-700m-Manuel-du-proprietaire
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Dell-Inspiron-1525-1526-Manuel-du-proprietaire
Dell-Inspiron-5100-et-5150-Manuel-d-utilisation
Dell-Inspiron-9300-Manuel-du-proprietaire
Dell-Inspiron-9400-E1705-Manuel-du-proprietaire
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Dell-Latitude-ST-Manuel-du-proprietaire
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Dell-Liste-des-manuels-et-de-la-documentation-Dell
Dell-MANUEL-ALIENWARE-M11x-MOBILE-Manuel-du-proprietaire
Dell-MANUEL-ALIENWARE-M15x-MOBILE
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Dell-Manuel-d-utilisation-du-Dell-XPS-420
Dell-Manuel-de-l-Utilisateur-Dell-Latitude-E6220
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Dell-Manuel-du-proprietaire-du-Dell-Inspiron-1721
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Dell-Matrices-de-stockage-Dell-PowerVault-MD3260i-Series-Guide-de-deploiement
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Dell-Photo-All-In-One-Printer-944-Manuel-du-proprietaire
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Dell-Photo-Printer-720-Manuel-du-proprietaire
Dell-PowerEdge-C8220-Manuel-du-proprietaire
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Dell-PowerVault-NX400-Guide-de-mise-en-route
Dell-Precision-Workstation-T7600-Manuel-du-proprietaire
Dell-Streak-7-Manuel-de-l-utilisateur
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Dell-XP-M1530-Manuel-du-proprietaire
Dell-XPS-630i-Manuel-du-proprietair
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Imprimante-Dell-Photo-All-In-One-Printer-922-Manuel-du-proprietaire
Imprimante-laser-de-groupe-de-travail-Dell-S2500-Manuel-du-proprietaire
Imprimante-personnelle-Dell-AIO-A960-Manuel-du-proprietaire
alienwareX51
Dell-Manuel-de-l-Utilisateur-Dell-Latitude-E6220
Dell-Systemes-Dell-PowerEdge-T420-Manuel-du-proprietaire
Dell-Systemes-Dell-Inspiron-4150-Manuel-de-l-utilisateur
Dell-Streak-Manuel-d-utilisation
Dell-Manuel-du-proprietaire-du-Dell-XPS-M1730
Dell-Photo-All-In-One-Printer-944-Manuel-du-proprietaire
Dell-Manuel-du-proprietaire-du-Dell-XPS-One
Dell-Clavier-Axim-Manuel-du-proprietaire
Dell-Systemes-Dell-PowerEdge-R410-Manuel-du-proprietaire
Dell-Manuel-d-utilisation-Dell-Inspiron-M5040-15-N5040-15-N5050
Dell-Manuel-de-maintenance-Dell-Inspiron-N5110
Dell-Inspiron-1100-Manuel-d-utilisation
Dell-Imprimante-laser-de-groupe-de-travail-Dell-M5200-Manuel-du-proprietaire
Dell-Photo-Printer-720-Manuel-du-proprietaire
Dell-Imprimante-laser-Dell-1100-Manuel-du-proprietaire
Dell-Manuel-du-proprietaire-Dell-Vostro-1500
Dell-XP-M1530-Manuel-du-proprietaire
Dell-Inspiron-530s-Manuel-du-proprietaire
Dell-Systemes-Dell-PowerEdge-R710-Manuel-du-proprietaire-Manuel-d-utilisation
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Dell-PowerVault-MD3260-3260i-3660i-3660f-3060e-Storage-Arrays-Guide-de-l-administrateur
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Dell-PowerEdge-C8220-Manuel-du-proprietaire
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Dell-Laser-Printer-1700-1700n-Manuel-du-proprietaire
Dell-Inspiron-9400-E1705-Manuel-du-proprietaire
Dell-Tout-en-un-Dell-Photo-924-Manuel-du-proprietaire
Dell-Laser-Printer-1710-1710n-Manuel-du-proprietaire
Dell-Dimension-3100-E310-Manuel-du-proprietaire
Dell-Inspiron-1525-1526-Manuel-du-proprietaire
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Dell-PowerEdge-R815-..> 08-May-2013 10:52 4.3M
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Dell-Vostro-200-Manu..> 08-May-2013 10:48 4.5M
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Dellt Tower UPS
500W, 1000W, and 1920/1500W
Getting Started With
Your System
Démarrage avec votre système
Erste Schritte Mit Ihrem System
Начало работы c вашей системой
Inicio de su sistema
系统使用 入门指南
系統使用 入門指南
사용자의 시스템 시작하기
はじめに システムについて
H900N, J715N, K788N, H914N, J716N, K789N
www.dell.com | support.dell.comDellt Tower UPS
500W, 1000W, and 1920/1500W
Getting Started
With Your System
Démarrage avec votre système
Erste Schritte Mit Ihrem System
Начало работы c вашей системой
Inicio de su sistema
系统使用 入门指南
系統使用 入門指南
사용자의 시스템 시작하기
はじめに システムについて
H900N, J715N, K788N, H914N, J716N, K789N
www.dell.com | support.dell.comNotes and Warnings
NOTE: A NOTE indicates important information that helps you make better use of your software.
CAUTION: A CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or
moderate injury or in property damage incidents.
WARNING: A WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or
injury.
DANGER: A DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or
serious injury.
DANGER: Observe the following instruction to help prevent an imminently hazardous situation which, if not
avoided, will result in death or serious injury:
S This UPS contains LETHAL VOLTAGES. All repairs and service should be performed by
AUTHORIZED SERVICE PERSONNEL ONLY. There are NO USER SERVICEABLE PARTS
inside the UPS.
Information in this document is subject to change without notice.
E 2009 Dell Inc. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell and the DELL logo are trademarks of Dell Inc.; Phillipsis a registered trademark of Phillips Screw
Company.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their
products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.
July 2009System Features |
1
System Features
Providing outstanding performance and reliability, the UPS's unique benefits include:
S Buck and Boost voltage regulation that ensures regulated voltage to your load by correcting voltage
fluctuations.
S Start-on-battery capability for powering up the UPS even if utility power is not available.
S Extended runtime with an optional External Battery Module (EBM) for 1000–1920W UPS
models.
S Two standard communication ports (USB and DB-9 serial port).
S Optional Dell Network Management Card with enhanced communication capabilities for
increased power protection and control.
S Network transient protector that guards your network communications equipment from surges.
S Advanced power management with the Dell UPS Management Software for graceful shutdowns
and power monitoring.
S Sequential shutdown and load management through separate receptacle groups called load
segments.
S Firmware that is easily upgradable without a service call.
S Backed by worldwide agency approvals.2 |
Finding Information
Finding Information
CAUTION: The Safety, Environmental, and Regulatory Information document provides important safety and
regulatory information.
What are You Looking For? Find It Here
S The user's guide for my UPS
S The user's guide for the Dell Network Management
Card
S Dell UPS Management Software
NOTE:Documentation and software updates can be
found at support.dell.com.
Dell UPS Disc
S Specifications
S How to configure UPS settings
S How to troubleshoot and solve problems
Dell UPS User's Guide
The user's guide is available on the Dell UPS disc and
on support.dell.com.
S Safety instructions
S Regulatory information
S Recycling information
Safety, Environmental, and Regulatory Information
S Warranty information
S Terms and Conditions (U.S. only)
S End User License Agreement
Dell Warranty and Support Information
S Support information Dell Support Website — support.dell.com
NOTE: Select your region or business segment to view
the appropriate support site.Installation and Startup |
3
Installation and Startup
CAUTION: Before performing the procedures in this document, read and follow the safety instructions and
important regulatory information in your Safety, Environmental, and Regulatory Information document.
CAUTION: The cabinet is heavy [500W: 11.6 kg (25.6 lb); 1000W: 18.3 kg (40.3 lb); 1920/1500W: 30.5 kg (67.2 lb)].
Use caution to unpack and move the cabinet.
This section describes the steps to set up your system for the first time.
Unpacking the System
1 Unpack your system and identify each item.
2 Discard or recycle the packaging in a responsible manner, or store it for future use.4 |
Installation and Startup
Identifying the UPS
This section shows a front and rear panel of the Dell Tower UPS. Refer to the Dell Line-Interactive
Tower UPS 500W, 1000W, and 1920/1500W User's Guide for all rear panel details.
Cover Latch
Cover Latch
LCD Panel
Scroll Button (Up or Back)
Select Button
Scroll Button (Down or Forward)
Figure 1. The Dell Tower UPS
Communication Port
Six 5-15 Receptacles
(Load Segment 1)
Network Transient
Protector
USB Port
UPS Communication Bay
On/Off Button
IEC-C14 Input
Connector
Two 5-15 Receptacles
(Load Segment 2)
EBM Connector
Figure 2. UPS Rear Panel (1000W, 120V Rear Panel)Installation and Startup |
5
Removing the UPS Front Cover
3 Remove the UPS front cover.
Push the two cover latches to release the front cover and pull up.
Removing the Battery Cover
4 Unscrew the thumbscrew on the the metal battery cover and lift up to remove the cover.6 |
Installation and Startup
Connecting the Internal Battery Connector
5 Connect the internal battery connector.
6 Replace the metal battery cover.
Torque the screw to 0.7 Nm (6.2 lb in).
7 Replace the UPS front cover.Installation and Startup |
7
Connecting the Equipment
9
Connect equipment to UPS
Connect communication cable from
computer to UPS (optional)
8
8 If you plan to use Dell UPS Management Software, connect your computer to the USB port or
RS-232 port using the supplied cable.
9 Plug the equipment to be protected into the UPS output receptacles, but do not turn on the
protected equipment.
NOTE: Verify that the total equipment ratings do not exceed the UPS capacity to prevent an overload alarm.8 |
Installation and Startup
Connecting the Power Cord
10 Verify that the power input to the UPS has adequate upstream overcurrent protection:
Table 1. Minimum Upstream Circuit Breaker Rating
UPS Output Power 120V 208V 230V
500W 15A — 15A
1000W 15A — 15A
1500W (at 100V)
1920W
20A — 15A
11 Plug the UPS power cord into a power outlet.
NOTE: For 1920/1500W models. There are two power cords in the box, one with BSMI and PSE certified
markings that can be used in Taiwan and Japan, another cord is for regions other than Taiwan and Japan.Installation and Startup |
9
Starting the UPS
12 Press the button on the UPS rear panel.
Completing the Startup
13 Verify that the Normal icon appears on the UPS status summary screen, indicating that the
UPS is operating normally and any loads are powered.
14 On the UPS status summary screen, press the button to check for active alarms or notices.
Resolve any active alarms before continuing. See “Troubleshooting” in the Dell Line-Interactive
Tower UPS 500W, 1000W, and 1920/1500W User's Guide.
If there are no active alarms, a “No Active Alarms” message appears.
15 To change other factory-set defaults, see “Operation” in the Dell Line-Interactive Tower UPS
500W, 1000W, and 1920/1500W User's Guide.10 |
Installation and StartupOnduleur Tour Dellt
500 W, 1000 W et 1920/1500 W
Démarrage
avec votre système
H900N, J715N, K788N, H914N, J716N, K789N
www.dell.com | support.dell.comRemarques et avertissements
REMARQUE : Une REMARQUE indique des informations importantes qui vous aident à mieux utiliser votre logiciel.
DANGER : Un DANGER indique une situation dangereuse imminente qui, si elle n'est pas évitée, provoquera la
mort ou une blessure grave.
AVERTISSEMENT : Un AVERTISSEMENT indique une situation dangereuse potentielle qui, si elle n'est pas évitée,
pourrait provoquer la mort ou une blessure.
ATTENTION : Une ATTENTION indique une situation dangereuse potentielle qui, si elle n'est pas évitée, peut
provoquer une blessure mineure ou légère ou des dommages matériels.
DANGER : Respectez les instructions suivantes pour aider à empêcher une situation dangereuse imminente qui, si
elle n'est pas évitée, peut provoquer la mort ou des blessures graves :
S Cet onduleur contient desTENSIONS MORTELLES. Toutes les réparations et tous
les entretiens devront être effectués UNIQUEMENT PAR UN PERSONNEL
D’ENTRETIEN AGRÉÉ. Aucune pièce à l’intérieur de cet onduleur NE PEUT
ÊTRE ENTRETENUE PAR L’UTILISATEUR.
Les informations dans ce document sont soumises à modifications sans préavis.
E 2009 Dell Inc. Tous droits réservés.
La reproduction de quelque manière que ce soit sans autorisation écrite de Dell Inc. est strictement interdite.
Marques commerciales utilisées dans ce texte : Dell et le logo DELL sont des marques commerciales de Dell Inc. ; Phillips est une marque
déposée de Phillips Screw Company.
D’autres marques commerciales et noms commerciaux peuvent être utilisés dans ce document pour se référer à des entités revendiquant les
marques et les noms ou leurs produits. Dell Inc. rejette tout intérêt propriétaire dans les marques commerciales et les noms commerciaux ne
lui appartenant pas.
Julliet 2009Caractéristiques du système |
13
Caractéristiques du système
Offrant une fiabilité et des performances remarquables, les avantages uniques de l'onduleur
comprennent :
S La régulation de tension Buck and Boost qui assure une tension régulée à votre charge en
corrigeant les fluctuations de tension.
S La capacité de démarrage-sur-batterie pour alimenter l'onduleur même si le courant du secteur
n'est pas disponible.
S Temps d'exécution prolongé avec un Module de batterie externe (EBM) en option pour les
modèles d'onduleur 1000–1920 W.
S Deux ports de communication standards (port série DB-9 et USB).
S Carte de gestion de réseau Dell optionnelle avec capacités de communication améliorées pour une
protection et un contrôle accrus de l'alimentation électrique.
S Protecteur de réseau contre les phénomènes transitoires qui protège votre équipement de
communication réseau contre les surtensions.
S Gestion avancée de l'alimentation électrique avec le Logiciel de gestion d'onduleur Dell pour des
coupures progressives et une surveillance de l'alimentation.
S Arrêt séquentiel et gestion de charge par des groupes de prises séparés appelés « segments de
charge ».
S Micrologiciel qui peut être facilement mis à niveau sans appeler le service technique.
S Soutenu par des approbations d'organismes dans le monde entier.14 |
Trouver des informations
Trouver des informations
ATTENTION! Le document Informations sur la sécurité, l'environnement et la réglementation fournit des
informations importantes sur la sécurité et la réglementation.
Que recherchez-vous ? Trouvez-le ici
S Le guide d'utilisation de mon onduleur
S Le guide d'utilisation de ma Carte de gestion de
réseau Dell
S Logiciel de gestion d'onduleur Dell
REMARQUE : Les mises à jour des documents et des
logiciels se trouvent sur support.dell.com.
Disque de l'onduleur Dell
S Spécifications
S Comment configurer les paramètres de l'onduleur
S Comment identifier et résoudre les problèmes
Guide d'utilisation de l'onduleur Dell
Le guide d'utilisation est disponible sur le disque de
l'onduleur Dell et sursupport.dell.com.
S Instructions sur la sécurit
S Informations sur la réglementation
S Informations sur le recyclage
Informations sur la sécurité, l'environnement et la
réglementation
S Informations sur la garantie
S Termes et conditions (États-Unis uniquement)
S Contrat de licence de l'utilisateur final
Informations sur l'assistance et la garantie Dell
S Informations sur l'assistance Site Internet d'assistance Dell — support.dell.com
REMARQUE : Sélectionnez votre région ou votre segment
commercial pour voir le site d'assistance approprié.Installation et démarrage |
15
Installation et démarrage
ATTENTION! Avant de réaliser les procédures de ce document, lisez et suivez les instructions de sécurité et
les informations importantes sur la réglementation qui figurent dans votre document Informations sur la
sécurité, l'environnement et la réglementation.
ATTENTION! Le module est lourd [500 W : 11,6 kg (25,6 lb) ; 1000 W : 18,3 kg (40,3 lb) ; 1920/1500 W :
30,5 kg (67,2 lb)]. Prenez toutes les précautions nécessaires pour déballer et déplacer le module.
Cette section décrit les étapes de configuration de votre système pour la première fois.
Déballage du système
1 Déballez votre système et identifiez chaque élément.
2 Jetez ou recyclez l'emballage d'une façon responsable, ou conservez-le pour une utilisation
ultérieure.16 |
Installation et démarrage
Identification de l'onduleur
Cette section montre un panneau avant et arrière de l'onduleur Tour Dell. Reportez-vous au Guide
d'utilisation de l'onduleur en baie Line-Interactive 500 W, 1000 W et 1920/1500 W pour tous les détails
sur le panneau arrière.
Loquet du couvercle
Loquet du couvercle
Panneau LCD
Bouton de défilement
(haut ou arrière)
Bouton de sélection
Bouton de défilement (bas ou avant)
Figure 1. Onduleur Tour Dell
Port de communication
Six prises 5-15
(Segment de charge 1)
Protecteur de réseau contre les
phénomènes transitoires
Port USB
Baie de communication de
l'onduleur
Bouton Marche/Arrêt
Connecteur d'entrée
CEI-C14
Deux prises 5-15
(Segment de charge 2)
Connecteur de l'EBM
Figure 2. Panneau arrière de l'onduleur (panneau arrière du 1000 W, 120 V)Installation et démarrage |
17
Retrait du couvercle avant de l'onduleur
3 Retirez le couvercle avant de l'onduleur.
Poussez les deux loquets du couvercle pour libérer le couvercle avant et levez.
Retrait du couvercle des batteries
4 Dévissez la vis à oreilles sur le couvercle métallique des batteries et levez pour retirer le couvercle.18 |
Installation et démarrage
Connexion du connecteur interne des batteries
5 Branchez le connecteur interne des batteries.
6 Remettez en place le couvercle métallique des batteries.
Serrez la vis à un couple de 0,7 N·m (6,2 lb in).
7 Remettez en place le couvercle avant de l'onduleur.Installation et démarrage |
19
Connexion de l'équipement
9
Connectez l'équipement à l'onduleur
Connectez le câble de communication de
l'ordinateur à l'onduleur (en option)
8
8 Si vous prévoyez d'utiliser le Logiciel de gestion d'onduleur Dell, connectez votre ordinateur au
port USB ou RS-232 en utilisant le câble fourni.
9 Branchez l'équipement à protéger sur les prises de sortie de l'onduleur, mais ne mettez pas
l'équipement à protéger sous tension.
REMARQUE: Pour éviter une alarme de surcharge, vérifiez que les valeurs nominales totales de l'équipement
ne dépassent pas la capacité de l'onduleur.20 |
Installation et démarrage
Connexion du cordon d'alimentation
10 Vérifiez que l'entrée d'alimentation de l'onduleur possède une protection contre les surintensités
montantes compatible avec la valeur nominale de l'intensité pouvant être acheminée par le
cordon d'alimentation.
11 Vérifiez que l'entrée d'alimentation vers l'onduleur possède une protection adéquate contre des
surintensités montantes :
Tableau 1. Valeur nominale minimale du disjoncteur amont
Puissance de sortie de l'onduleur 120 V 208 V 230 V
500 W 15 A — 15 A
1000 W 15 A — 15 A
1500 W (à 100 V)
1920 W
20 A — 15 A
12 Branchez le cordon d'alimentation de l'onduleur à une prise secteur.Installation et démarrage |
21
Démarrage de l'onduleur
13 Appuyez sur le bouton sur le panneau arrière de l'onduleur.
Achèvement du démarrage
14 Vérifiez que l'icône Normal apparaît sur l'écran de résumé d'état de l'onduleur, indiquant que
l'onduleur fonctionne normalement et que toutes les charges sont alimentées.
15 Sur l'écran de résumé d'état de l'onduleur, appuyez sur le bouton pour vérifier les avis et les
alarmes actives. Résolvez toutes les alarmes actives avant de continuer. Voir « Dépannage » dans le
Guide d'utilisation de l'onduleur en baie Line-Interactive 500 W, 1000 W et 1920/1500 W.
Si aucune alarme n'est activée, un message « Aucune alarme active » apparaît.
16 Pour changer d'autres valeurs d'usine par défaut, voir « Fonctionnement » dans le Guide
d'utilisation de l'onduleur en baie Line-Interactive 500 W, 1000 W et 1920/1500 W.22 |
Installation et démarrageDellt Tower USV
500 W, 1000 W, und 1920/1500 W
Erste Schritte
Mit Ihrem System
H900N, J715N, K788N, H914N, J716N, K789N
www.dell.com | support.dell.comHinweise und Warnungen
HINWEIS: Ein HINWEIS macht auf eine wichtige Information aufmerksam, mit deren Hilfe Sie Ihre Software optimal
nutzen können.
GEFAHR: GEFAHR macht auf eine unmittelbar gefährliche Situation aufmerksam, die zum Tod oder schweren
Verletzungen führt, wenn sie nicht vermieden wird.
WARNUNG: Eine WARNUNG macht auf eine potenziell gefährliche Situation aufmerksam, die zum Tod oder zu
Verletzungen führt, wenn sie nicht vermieden wird.
ACHTUNG: ACHTUNG macht auf eine potenziell gefährliche Situation aufmerksam, die zu geringen oder mäßigen
Verletzungen oder Sachschäden führen kann, wenn sie nicht vermieden wird.
GEFAHR: Beachten Sie den folgenden Hinweis, um eine unmittelbar gefährliche Situation zu vermeiden, die zum
Tod oder zu schweren Verletzungen führen könnte:
S Diese USV führt LEBENSGEFÄHRLICHE SPANNUNG. Sämtliche Reparatur--
und Wartungsarbeiten dürfen NUR VON
AUTORISIERTEM WARTUNGSPERSONAL durchgeführt werden. Im Inneren
der USV sind KEINE VOM BENUTZER WARTBAREN TEILEvorhanden.
Unangekündigte Änderungen der Angaben in diesem Dokument vorbehalten.
E 2009 Dell Inc. Alle Rechte vorbehalten.
Die Vervielfältigung, gleich welcher Art, ist ohne schriftliche Genehmigung von Dell Inc. strengstens untersagt.
In diesem Text verwendete Marken: Dell und das DELL--Logo sind Marken von Dell Inc.; Phillipsist eine eingetragene Marke von Phillips
Screw Company.
In diesem Dokument können weitere Marken und Handelsnamen verwendet werden, die sich entweder auf die Personen beziehen, die diese
Marken und Namen für sich beanspruchen , oder auf deren Produkte. Dell Inc. verzichtet auf sämtliche gewerblichen Eigentumsrechte an
Marken und Handelsnamen, bei denen es sich nicht um eigene Marken und Handelsnamen handelt.
Juli 2009Systemmerkmale |
25
Systemmerkmale
Die herausragende Leistung und Zuverlässigkeit sind nur einige der Vorteile der USV-Anlagen. Sie
bieten zudem:
S Spannungsregulierung durch das „Buck and Boost“-Verfahren. Dies gewährleistet durch die
Korrektur von Unregelmäßigkeiten einen gleichbleibenden Spannungswert für Ihre Anlagen.
S Starten der Anlage im Batteriebetrieb zum Versorgen der USV mit Strom, selbst wenn kein
Netzstrom zur Verfügung steht.
S Erweiterte Laufzeit mit optionalem Externes Batteriemodul (EBM) für USV-Modelle für
1000-1920 W.
S Serienmäßige Ausstattung mit zwei Kommunikationsschnittstellen (USV-Schnittstelle und serielle
DB-9-Schnittstelle).
S Optionale Dell Netzwerkmanagementkarte mit erweiterten Kommunikationsmöglichkeiten für
verbesserten Leistungsschutz und Kontrolle.
S Netzwerkschutzeinrichtungen schützen Ihre Anlage für Netzwerkkommunikation vor
Spannungsspitzen.
S Fortgeschrittene Stromüberwachung mit der Dell USV Management Software für sicheres
Herunterfahren und Stromüberwachung.
S Abschaltsequenz und Lastenmanagement durch separate Anschlussgruppen (sogenannte
Lastsegmente).
S Firmware, die sich einfach und ohne Wartungsdienst aktualisieren lässt.
S Entspricht einschlägigen Normen auf der ganzen Welt.26 |
Auffinden von Informationen
Auffinden von Informationen
ACHTUNG: Im Dokument Informationen zu Sicherheit, Umweltschutz und Ordnungsvorschriften finden Sie
wichtige Sicherheitshinweise und Informationen zu gesetzlichen Bestimmungen.
Was suchen Sie? Hier finden Sie es
S Die Benutzeranleitung für meine USV
S Die Benutzeranleitung für die Dell
Netzwerkmanagementkarte
S Dell USV Management Software
HINWEIS:Dokumente und Softwareaktualisierungen
finden Sie unter support.dell.com.
Die Disk für die Dell USV
S Spezifikationen
S Anleitung zum Konfigurieren der
USV-Einstellungen
S Behebung von Fehlern und Lösung von Problemen
Benutzeranleitung der Dell USV
Die Benutzeranleitung finden Sie auf der Disk zu der
Dell USV und auch untersupport.dell.com.
S Sicherheitshinweise
S Informationen über Ordnungsvorschriften
S Recycling-Informationen
Informationen zu Sicherheit, Umweltschutz und
Ordnungsvorschriften
S Garantieerklärung
S AGB (nur USA)
S Lizenzvereinbarung für Endbenutzer
Informationen zu Garantie und Support von Dell
S Supportinformationen Support-Website von Dell – support.dell.com
HINWEIS: Wählen Sie Ihre Region bzw. Ihre Branche
aus, um die geeignete Support-Website aufzurufen.Installation und Inbetriebnahme |
27
Installation und Inbetriebnahme
ACHTUNG: Vor der Ausführung der Verfahren in diesem Dokument lesen Sie bitte die Sicherheitshinweise
und wichtigen Informationen zu Ordnungsvorschriften in Ihrem Dokument überInformationen zu Sicherheit,
Umweltschutz und Ordnungsvorschriften und halten Sie diese unbedingt ein.
:ACHTUNG: Das Gehäuse ist schwer [500 W: 11,6 kg (25,6 lb); 1000 W: 18,3 kg (40,3 lb); 1920/1500 W: 30,5 kg
(67,2 lb)]. Beim Auspacken und Transportieren des Gehäuses ist Vorsicht geboten.
In diesem Abschnitt werden die Schritte für die Erstkonfiguration Ihres Systems beschrieben.
Auspacken des Systems
1 Packen Sie das System aus und identifizieren Sie die einzelnen Komponenten.
2 Entsorgen oder recyceln Sie die Verpackung in umweltbewusster Weise, oder bewahren Sie sie für
den späteren Gebrauch auf.28 |
Installation und Inbetriebnahme
Beschreibung der USV
In diesem Abschnitt wird die Vorder- und Rückansicht der Dell Tower USV angezeigt. Alle
Einzelheiten zur Rückseite finden Sie in der Dell Line-Interactive Tower USV 500 W, 1000 W, und
1920/1500 W Benutzeranleitung.
Abdeckungslasche
Abdeckungslasche
LCD-Anzeigen
Bildlauftaste (aufwärts oder rückwärts)
Auswahltaste
Bildlauftaste (abwärts oder vorwärts)
Abbildung 1. Die Dell Tower USV
Kommunikationsschnittstelle
Sechs 5-15-Anschlussdosen
(Lastsegment 1)
Netzwerk-Transienten
Schutz
USB-Schnittstelle
Kommunikationssteckplatz der USV
Ein-/Ausschalttaste
IEC-C14-Eingangsanschluss
Zwei 5-15-Anschlussdosen
(Lastsegment 2)
EBM-Anschluss
Abbildung 2. Rückseite der USV (1000 W, 120 V)Installation und Inbetriebnahme |
29
Entfernen der vorderen USV-Abdeckung
3 Entfernen Sie die vordere USV-Abdeckung.
Drücken Sie auf die beiden Abdeckungslaschen, um die vordere Abdeckung zu lösen, und
ziehen Sie diese hoch.
Entfernen der Batterieabdeckung
4 Lösen Sie die Rändelschraube auf der metallenen Batterieabdeckung und heben Sie die
Abdeckung hoch, um sie zu entfernen.30 |
Installation und Inbetriebnahme
Anklemmen des Anschlusses im Inneren der Batterie
5 Klemmen Sie den Anschluss im Inneren der Batterie an.
6 Setzen Sie die die Batterieabdeckung aus Metall wieder ein.
Drehen Sie die Schraube mit einem Drehmoment von 0,7 Nm (6,2 lb in) wieder ein.
7 Bringen Sie die vordere Abdeckung der USV wieder an.Installation und Inbetriebnahme |
31
Anschließen der Anlage
9
Schließen Sie die Anlage an die USV an
Schließen Sie das Kommunikationskabel vom
Computer an die USV an (optional)
8
8 Sofern Sie die Benutzung der Dell USV Management Software planen, schließen Sie Ihren
Computer mit dem beiliegenden Kabel an die USB-Schnittstelle oder an die RS-232-Schnittstelle
an.
9 Stecken Sie Stecker der zu schützenden Geräte in die Ausgangsanschlüsse der USV ein, aber
schalten Sie die geschützten Geräte noch nicht ein.
HINWEIS: Vergewissern Sie sich, dass die Gesamtnennleistung aller angeschlossenen Geräte die Kapazität
der USV nicht überschreitet, um einen Überlastalarm zu vermeiden.32 |
Installation und Inbetriebnahme
Anschließen des Netzkabels
10 Vergewissern Sie sich, dass der Stromeingang der USV entsprechend dem Nennstrom des
Netzkabels mit einem Schutz gegen Spannungsspitzen ausgestattet ist.
11 Vergewissern Sie sich, dass der Stromeingang der USV mit einem angemessenen Schutz gegen
Spannungsspitzen ausgestattet ist:
Tabelle 1. Mindestnennstrom der Überstromsicherung
USV-Ausgangsleistung 120 V 208 V 230 V
500 W 15 A — 15 A
1000 W 15 A — 15 A
1500 W (bei 100 V)
1920 W
20 A — 15 A
12 Stecken Sie das Netzkabel der USV in eine Netzsteckdose.Installation und Inbetriebnahme |
33
Starten der USV
13 Drücken Sie die Taste auf der Rückseite der USV.
Abschluss des Startvorgangs
14 Vergewissern Sie sich, dass das Symbol für „Normal“ auf dem Bildschirm der
USV-Statusübersicht angezeigt wird. Hierdurch wird angezeigt, dass die USV ordnungsgemäß
funktioniert und dass alle angeschlossenen Lasten mit Strom versorgt werden.34 |
Installation und Inbetriebnahme
15 Wählen Sie im Bildschirm mit der USV-Statusübersicht die Schaltfläche , um zu prüfen ob eine
aktive Warnmeldung oder ein aktiver Hinweis vorliegt. Lösen Sie alle aktiven Warnmeldungen,
bevor Sie den Vorgang fortsetzen. Siehe „Fehlerbehebung“ in der Dell Line-Interactive Tower USV
500 W, 1000 W, und 1920/1500 W Benutzeranleitung.
Falls keine Warnmeldungen aktiv sind, wird die Meldung „Keine aktiven
Warnmeldungen“ angezeigt.
16 Für die Änderung anderer werkseitiger Standardeinstellungen siehe „Betrieb“ in der Dell
Line-Interactive Tower USV 500 W, 1000 W, und 1920/1500 W Benutzeranleitung.ИБП башенного типа Dellt
500 Вт, 1000 Вт и 1920/1500 Вт
Начало работы
c вашей системой
www.dell.com | support.dell.comПримечания и предупреждения
ПРИМЕЧАНИЕ: Пометка ПРИМЕЧАНИЕ указывает на важную информацию, которая поможет
вам более эффективно использовать свое программное обеспечение.
ОПАСНОСТЬ: Пометка ОПАСНОСТЬ указывает на ситуации, в которых существует
непосредственная угроза, которая, если ее не избежать, приведет к серьезной травме или
летальному исходу.
ПРЕДУПРЕЖДЕНИЕ: Пометка ПРЕДУПРЕЖДЕНИЕ указывает на потенциально опасную
ситуацию, которая, если ее не избежать, может привести к травме или летальному исходу.
ВНИМАНИЕ: Пометка ВНИМАНИЕ указывает на потенциально опасную ситуацию, которая,
если ее не избежать, может привести к травмам легкой и средней степени тяжести или к
повреждению имущества.
ОПАСНОСТЬ: Следуйте приведенным ниже инструкциям, позволяющим предупредить
непосредственную угрозу, которая, если ее не избежать, приведет к серьезной травме или
летальному исходу:
S В устройстве ИБП некоторые узлы находятся под СМЕРТЕЛЬНО ОПАСНЫМ
НАПРЯЖЕНИЕМ. Все работы по ремонту и обслуживанию должны выполняться
ТОЛЬКО УПОЛНОМОЧЕННЫМ ОБСЛУЖИВАЮЩИМ ПЕРСОНАЛОМ. В ИБП НЕТ
УЗЛОВ, ОБСЛУЖИВАЕМЫХ ПОЛЬЗОВАТЕЛЕМ.
Информация в настоящем документе может быть изменена без предварительного уведомления.
E 2009 Dell Inc. Все права защищены.
Воспроизведение данного документа любым способом безписьменного разрешения компании Dell Inc. категорически
запрещено.
Торговые знаки, используемые в данном тексте: Логотипы Dell и DELL являются торговыми знаками компании Dell
Inc.; Phillips является зарегистрированным торговым знаком компании Phillips Screw Company.
Прочие торговые знаки и торговые марки могут использоваться в данном документе для ссылки на организации,
предъявляющие права на эти знаки и марки, или на их товары. Dell Inc. отказывается от любого права собственности
на какие-либо торговые знаки или торговые марки, кроме своих собственных.
Июль 2009 г.Функции системы |
37
Функции системы
Вот уникальные преимущества, обеспечивающие исключительную эффективность и
надежность ИБП:
S Понижающая и повышающая регулировка напряжения обеспечивает подачу
стабильного напряжения на нагрузку путем коррекции колебаний напряжения.
S Функция запуска от батареи используется для питания ИБП даже при отсутствии
питания от электросети.
S Увеличенное время работы при помощи дополнительного модуля Модуль внешней
батареи (EBM) для моделей ИБП 1000 - 1920 Вт.
S Два стандартных коммуникационных порта (USB и последовательный порт DB-9).
S Дополнительная Карта сетевого управления Dell с усовершенствованными
коммуникационными возможностями улучшает защиту питания и его мониторинг.
S Защита от сетевых переходных процессов, которая предохраняет устройства
сетевой связи от скачков.
S Усовершенствованное управление питанием при помощи Программа управления ИБП
Dell обеспечивает корректное выключение нагрузки и мониторинг электропитания.
S Последовательное выключение и управление нагрузкой при помощи раздельных
групп разъемов, называемых сегментами нагрузки.
S Легко обновляемое аппаратно-программное обеспечение; для обновления нет
необходимости обращаться в службу технической поддержки.
S Утверждены международными организациями.38 |
Поиск информации
Поиск информации
ВНИМАНИЕ: Документ Информация о технике безопасности, охране окружающей
среды и нормативная информация содержит важную информацию о технике
безопасности и нормативную информацию.
Что вы ищите? Вы найдете это здесь
S Руководство пользователя для моего ИБП
S Руководство пользователя для карты Карта
сетевого управления Dell
S Программа управления ИБП Dell
ПРИМЕЧАНИЕ: Документация и обновленные
версии ПО можно найти на сайте
support.dell.com.
Диск ИБП Dell
S Спецификации
S Как конфигурировать настройки ИБП
S Как находить и устранять неисправности и
решать проблемы
Руководство пользователя ИБП Dell
Руководство пользователя доступно на диске
ИБП Dell и на сайте support.dell.com.
S Инструкции по технике безопасности
S Нормативная информация
S Информация об утилизации
Информация о технике безопасности, охране
окружающей среды и нормативная
информация
S Информация о гарантии
S Сроки и условия (только для США)
S Лицензионное соглашение с конечным
пользователем
Информация о гарантии и поддержке Dell
S Информация о поддержке Веб-сайт поддержки Dell — support.dell.com
ПРИМЕЧАНИЕ: Выберите свой регион или
сегмент бизнеса, чтобы увидеть
соответствующий сайт поддержки.Установка и запуск |
39
Установка и запуск
ВНИМАНИЕ: Перед выполнением процедуры, описанной в данной документации,
прочтите и выполните инструкции по технике безопасности и ознакомьтесь с важной
нормативной информацией, которая содержится в документе Информация о технике
безопасности, охране окружающей среды и нормативная информация.
ВНИМАНИЕ: ВНИМАНИЕ: Корпустяжелый (500 Вт: 11,6 кг; 1000 Вт: 18,3 кг; 1920/1500
Вт: 30,5 кг]. Проявляйте осторожность при распаковке и перемещении корпуса.
В данном разделе описываются этапы настройки системы в первый раз.
Распаковка системы
1 Распакуйте систему и проверьте каждый элемент.
2 Выбросьте или утилизируйте упаковку согласно правилам или сохраните ее для
будущего использования.40 |
Установка и запуск
Описание ИБП
В данном разделе показаны передняя и задняя панели ИБП «Башня» Dell. См.
Руководство пользователя линейно-интерактивного ИБП башенного типа 500 Вт, 1000 Вт
и 1920/1500 Вт Dell, чтобы получить подробную информацию о задней панели.
Защелка крышки
Защелка крышки
Жидкокристаллическая панель
Кнопка пролистывания
(вверх или назад)
Кнопка выбора
Кнопка пролистывания
(внизили вперед)
Рис. 1. ИБП «Башня» Dell
Коммуникационный порт
Шесть гнезд 5-15
(Сегмент нагрузки 1)
Устройство защиты от
переходных процессов в
коммуникационной сети Порт USB
Коммуникационного отсека блока
бесперебойного питания
Кнопка Вкл./Выкл
Входной разъем IEC-C14
Два гнезда 5-15
(Сегмент нагрузки 2) Разъем EBM
Рис. 2. Задняя панель ИБП (задняя панель 1000 Вт, 120 В)Установка и запуск |
41
Снятие передней крышки ИБП
3 Снимите переднюю крышку ИБП.
Нажмите на две защелки крышки, чтобы освободить переднюю крышку, и потяните
вверх.
Снятие крышки батарей
4 Отвинтите винты на металлической крышке батарей и поднимите ее, чтобы снять.42 |
Установка и запуск
Подключение разъема внутренней батареи
5 Подключите разъем внутренней батареи.
6 Установите на место металлическую крышку батарей.
Затяните винт с усилием 0,7 Нм (6,2 фунта на дюйм).
7 Установите на место переднюю крышку ИБП.Установка и запуск |
43
Подключение оборудования
9
Присоедините свое оборудование к ИБП
Подключите кабель связи от
компьютера к ИБП (факультативно)
8
8 Если вы планируете использовать Программа управления ИБП Dell, подключите свой
компьютер к USB-порту или порту RS-232 при помощи прилагающегося кабеля.
9 Подключите оборудование, которое необходимо предохранить от скачков
напряжения, к выходным гнездам ИБП, но не включайте это оборудование.
Примечание: Убедитесь, что общая паспортная мощность потребителей не превышает
мощность ИБП во избежание сигнала перегрузки.44 |
Установка и запуск
Подключение шнура питания
10 Убедитесь, что вход питания на ИБП имеет защиту от верхней перегрузки по току
согласно номинальному току шнура питания.
11 Убедитесь, что вход питания ИБП имеет соответствующую защиту от верхней
перегрузки по току:
Таблица 1. Минимальный номинал вышестоящего выключателя
Выходная мощность
ИБП
120 В 208 В 230 В
500 Вт 15 A — 15 A
1000 Вт 15 A — 15 A
1500 Вт (на 100 В)
1920 Вт
20 A — 15 A
12 Вставьте шнур питания ИБП в розетку электросети.Установка и запуск |
45
Включение ИБП
13 Нажмите кнопку на задней панели ИБП.
Завершение запуска
14 Убедитесь, что на итоговом экране состояния ИБП появилась пиктограмма обычного
режима , обозначающая, что ИБП работает нормально и подает электропитание
на существующие нагрузки.46 |
Установка и запуск
15 На итоговом экране состояния ИБП нажмите кнопку , чтобы проверить, активны ли
аварийные сигналы или извещения. Отреагируйте на все активные сигналы, прежде
чем продолжить. См. Руководство пользователя линейно-интерактивного ИБП
башенного типа 500 Вт, 1000 Вт и 1920/1500 Вт Dell, раздел «Поиск и устранение
неисправностей».
При отсутствии активных аварийных сигналов появится сообщение «Активные
аварийные сигналы отсутствуют».
16 Чтобы изменить прочие заводские настройки по умолчанию см. Руководство
пользователя линейно-интерактивного ИБП башенного типа 500 Вт, 1000 Вт и
, раздел «Эксплуатация».UPS de la torre de Dellt
500 W, 1000 W y 1920/1500 W
Inicio de
su sistema
H900N, J715N, K788N, H914N, J716N, K789N
www.dell.com | support.dell.comNotas y advertencias
NOTA: Una NOTA indica información importante que lo ayuda a utilizar mejor el software.
PELIGRO: Un PELIGRO indica una situación inminentemente peligrosa que, si no se evita, dará como resultado la
muerte o una lesión grave.
AVISO: Una ADVERTENCIA indica una situación potencialmente peligrosa que, si no se evita, podría dar como
resultado la muerte o una lesión.
PRECAUCIÓN: Una PRECAUCIÓN indica una situación potencialmente peligrosa que, si no se evita, puede dar
como resultado una lesión moderada o menor, o en incidentes de daño de la propiedad.
PELIGRO: Cumpla con la siguiente instrucción para evitar una situación inminentemente peligrosa que, de no
evitarse, dará como resultado la muerte o una lesión grave:
S Esta UPS contiene VOLTAJES LETALES. SÓLO EL PERSONAL DE SERVICIO AUTORIZADO
debe realizar las reparaciones y el servicio. SÓLO EL PERSONAL DE SERVICIO AUTORIZADO
dentro de la UPS.
La información de este documento se encuentra sujeta a cambios sin previo aviso.
E 2009 Dell Inc. Todos los derechos reservados.
Queda estrictamente prohibida cualquier forma de reproducción sin el previo consentimiento de Dell Inc. por escrito.
Marcas comerciales utilizadas en este texto: Dell y el logotipo de DELL son marcas comerciales de Dell Inc.; Phillips es una marca
comercial registrada de Phillips Screw Company.
Es posible que en este documento se utilicen otras marcas y nombres comerciales para hacer referencia a las entidades que responden a
dichas marcas y nombres o a sus productos. Dell Inc. niega cualquier interés en la propiedad de las marcas y nombres comerciales de
terceros.
julio de 2009Características del sistema |
49
Características del sistema
Al brindar rendimiento y confiabilidad sobresalientes, los beneficios exclusivos de la UPS incluyen:
S Regulación del aumento y la reducción de voltaje que garantiza un voltaje constante para la carga,
corrigiendo así las fluctuaciones.
S Capacidad de arranque en batería para poner en funcionamiento la UPS aun cuando el suministro
eléctrico no esté disponible.
S Tiempo de ejecución con un Módulo de batería externa opcional (EBM) para los modelos de UPS
1000-1920 W.
S Dos puertos de comunicación estándar (USB y puerto serie).
S Tarjetas opcionales Tarjeta de gestión de red de Dell con capacidades de comunicación mejoradas
para lograr mayor control y protección del suministro eléctrico.
S Protector transitorio de redes que preserva a su equipo de comunicaciones en red de las
sobretensiones.
S El manejo avanzado del suministro eléctrico con Software de Gestión de UPS de Dell permite el
apagado ordenado y la supervisión del suministro eléctrico.
S El apagado secuencial y la gestión de carga mediante grupos de receptáculos separados que se
denominan segmentos de carga.
S Firmware que se actualiza fácilmente sin necesidad de llamar al cliente.
S Respaldado por las aprobaciones de agencias a nivel mundial.50 |
Búsqueda de información
Búsqueda de información
PRECAUCIÓN: El documento Información Ambiental, Regulatoria y de Seguridad brinda información
regulatoria y sobre seguridad importante.
¿Qué está buscando? Encuéntrelo aqu
S La guía del usuario para mi UPS
S La guía del usuario para la Tarjeta de gestión de red
de Dell
S Software de Gestión de UPS de Dell
NOTA:La documentación y la actualización de software se
pueden encontrar en support.dell.com.
Disco de la UPS de Dell
S Especificaciones
S Cómo configurar los valores de la UPS
S Cómo diagnosticar las fallas y resolver problemas
Guía del usuario de la UPS de Dell
La guía del usuario está disponible en el disco de la
UPS de Dell y en support.dell.com.
S Instrucciones de seguridad
S Información regulatoria
S Información sobre reciclado
Información Ambiental, Regulatoria y de Seguridad
S Información sobre seguridad
S Términos y condiciones (sólo EE. UU.)
S Acuerdo de licencia del usuario final
Información sobre soporte y garantía de Dell
S Información sobre soporte Sitio web de soporte de Dell — support.dell.com
NOTA: Seleccione su región o segmento de negocio para
visualizar el sitio de soporte correspondiente.Instalación y arranque |
51
Instalación y arranque
PRECAUCIÓN: Antes de realizar los procedimientos que se describen en este documento, lea y cumpla con
las instrucciones de seguridad y la información regulatoria importante en su documento Información
Ambiental, Regulatoria y de Seguridad.
PRECAUCIÓN: El gabinete es pesado [500 W: 11,6 kg (25,6 lb); 1000 W: 18,3 kg (40,3 lb); 1920/1500 W: 30,5 kg
(67,2 lb)]. Tenga precaución al desembalar y trasladar el gabinete.
En la presente sección, se describen los pasos para configurar su sistema por primera vez.
Cómo desembalar el sistema
1 Desembale el sistema e identifique cada elemento.
2 Deseche o recicle el embalaje de una manera responsable o guárdelo para un uso futuro.52 |
Instalación y arranque
Identificación de la UPS
En la presente sección, se muestra un panel frontal y posterior de la UPS de la Torre de Dell. Consulte
la Guía del usuario de la UPS de la torre de la línea interactiva de Dell 500 W, 1000 W y 1920/1500 W
para obtener todos los detalles del panel posterior.
Pestillo de la
Pestillo de la cubierta
cubierta
Panel LCD
Botón de desplazamiento
(hacia arriba o hacia atrás)
Botón de selección
Botón de desplazamiento
(hacia abajo o hacia delante)
Figure 1. La UPS de la Torre de Dell
Puerto de comunicaciones
Seis receptáculos de 5-15
(Segmento de carga 1)
Protector de red a
transitorios
Puerto USB
Compartimiento de
comunicación de la UPS
Botón de
Encendido/Apagado
Conector de entrada
IEC-C14
Dos receptáculos de 5-15
(Segmento de carga 2)
Conector EBM
Figure 2. Panel posterior de la UPS (panel posterior 1000 W, 120 V)Instalación y arranque |
53
Cómo retirar la cubierta frontal de la UPS
3 Extraiga la cubierta frontal de la UPS.
Empuje las dos pestillas de la cubierta para liberar la cubierta frontal y levantarla.
Cómo extraer la cubierta de la batería
4 Desatornille el tornillo de apriete manual de la cubierta metálica de la batería y levante para
extraer la cubierta.54 |
Instalación y arranque
Cómo conectar el conector de la batería interna
5 Conecte el conector de la batería interna.
6 Vuelva a colocar la cubierta metálica de la batería.
Apriete el tornillo a 0,7 N·m (6,2 lb pulg.).
7 Vuelva a colocar la cubierta frontal de la UPS.Instalación y arranque |
55
Conectar el equipo
9
Conecte el equipamiento a la UPS
Conecte el cable de comunicación de
la computadora a la UPS (opcional)
8
8 Si planea utilizar el Software de Gestión de UPS de Dell, conecte su equipo al puerto USB o el
puerto RS-232 mediante el uso del cable suministrado.
9 Enchufe el equipo para que esté protegido en los receptáculos exteriores de la UPS, pero no
encienda el equipo protegido.
NOTA: Verifique que los regímenes totales del equipo no excedan la capacidad de la UPS para prevenir una
alarma de sobrecarga.56 |
Instalación y arranque
Conexión del cable de energía
10 Verifique que la entrada de energía a la UPS tenga protección de sobrecarga de corriente
ascendente de acuerdo con el régimen de corriente del cable de energía.
11 Verifique que la entrada de energía a la UPS tenga protección de sobrecarga de corriente
ascendente adecuada:
Table 1. Régimen mínimo del disyuntor ascendente
Potencia de salida de la UPS 120 V 208 V 230 V
500 W 15 A — 15 A
1000W 15 A — 15 A
1500 W (a 100 V)
1920 W
20 A — 15 A
12 Conecte el cable de alimentación de la UPS a un tomacorriente.Instalación y arranque |
57
Inicio de la UPS
13 Presione el botón del panel posterior de la UPS.
Cómo completar el arranque
14 Verifique que el ícono Normal aparezca en la pantalla de resumen del estado UPS, que indica
que la UPS funciona normalmente y todas las cargas están energizadas.58 |
Instalación y arranque
15 En la pantalla de resumen de estado de UPS, presione el botón para comprobar las
notificaciones y las alarmas activas. Solucione todas las alarmas activas antes de continuar.
Consulte el “Diagnóstico de fallas” en la Guía del usuario de la UPS de la torre de la línea
interactiva de Dell 500 W, 1000 W y 1920/1500 W.
Si no hay ninguna alarma activa, se muestra el mensaje “Ninguna alarma activa”.
16 Para cambiar otros valores predeterminados establecidos de fábrica, consulte “Funcionamiento”
en la Guía del usuario de la UPS de la torre de la línea interactiva de Dell 500 W, 1000 W
y 1920/1500 W.Dellt 塔式 UPS
500W, 1000W, 和 1920/1500W
系统使用
入门指南
H900N, J715N, K788N, H914N, J716N, K789N
www.dell.com | support.dell.com注意和警告
注意: “注意”表示可帮助您更好使用本软件的重要信息。
危险:“危险”表示紧急危险情况,如果不加以避免,将导致死亡或严重的伤害。
警告:“警告”表示潜在危险情况,如果不加以避免,将会导致死亡或伤害。
小心:“小心”表示潜在危险情况,如果不加以避免,可能导致轻度或中度伤害,或财产损失事故。
危险: 遵守下列须知有助于防止紧急危险情况,其若不加以避免,将导致死亡或严重的伤害:
S 本 UPS 包含危险致命的电压。所有维修和服务都只能由经过授权的维修人员进行。UPS
中没有用户可自行维修的部件。
本文档所含信息如有更改,恕不另行通知。
E 2009 Dell Inc. 保留所有权利。
未经 Dell Inc. 书面允许,严禁以任何形式进行复制。
本文中使用的商标:Dell和DELL 徽标为 Dell Inc.的商标;Phillips 为 Phillips Screw Company 的注册商标。
本文件中可能会使用其它商标或商业名称来指称拥有该商标或名称权利的实体或其产品。Dell Inc.
对不属于自己的商标和商品名称,不拥有任何产权利益。
2009 年 7 月系统性能 |
61
系统性能
该 UPS 可提供杰出的性能与可靠性,其独特优势包括:
S 降压与升压调节,通过调节电压波动确保您的负荷电压稳定。
S 即使没有公用电源,电池启动功能也能给 UPS 供电。
S 对 1000–1920W UPS 型号,通过可选的外部电池模块(EBM)延长运行时间。
S 两个标准通信端口(USB 和 DB-9 串行口)。
S 为了加强电源保护和控制,可选择增强通信能力的 Dell 网络管理卡。
S 网络抗瞬变装置可保护您的网络通信设备免受电涌的损害。
S 高级电源管理,用Dell UPS 管理软件进行平滑关机和电力监控。
S 通过称为载入段的单独插座组进行顺序关机和负荷管理。
S 不必拨打服务电话,即可自行对固件进行方便升级。
S 全球代理认证提供支持。62 |
查找信息
查找信息
CAUTION:安全、环保和法规信息文件提供了重要的安全和法规信息。
您正在寻找什么? 在此查找
S 我的 UPS 的用户指南
S Dell 网络管理卡 用户指南
S Dell UPS 管理软件
注意:文件和软件更新可在 support.dell.com
找到。
Dell UPS 光盘
S 规格
S 如何配置 UPS 设置
S 如何排查故障和解决问题
Dell UPS 用户指南
用户指南可从 Dell UPS 光盘和 support.dell.com
上找到。
S 安全操作说明
S 行政法规信息
S 回收信息
安全、环保和法规信息
S 保修信息
S 条款和条件(仅限美国)
S 最终用户许可协议
Dell 保修和支持信息
S 支持信息 Dell 支持网站 — support.dell.com
注意:选择您的区域或业务部门,以查看合适的支
持网站。安装和启动 |
63
安装和启动
CAUTION: 在进行本文件中的步骤之前,请先阅读和遵循 安全、环保和法规信息
文件中的安全操作说明和重要法规信息。
CAUTION:小心:机箱较重 [500W: 11.6 千克(25.6 磅);1000W:18.3 千克(40.3
磅);1920/1500W: 30.5 千克 (67.2 磅)]。请在拆开包装和搬动机箱时特别小心。
本节描述首次安装系统的步骤。
打开系统
1 打开系统,查看每个物品项目。
2 以负责任的方式处理包装材料或回收循环利用,或者收起存放以备将来使用。64 |
安装和启动
UPS 识别
本节介绍 Dell 塔式 UPS 的前面板和后面板。后面板详细情况请参见 Dell 在线互动塔式 UPS
500W, 1000W, 和 1920/1500W 用户指南 。
外盖闩锁
外盖闩锁
LCD 显示面板
滚动按钮(向上或向后)
选择按钮
滚动按钮(向下或向前)
图 1. Dell 塔式 UPS
通信端口
六个 5-15 插座(载入段 1)
网络抗瞬变装置
USB 端口
UPS 通信槽
开/关按钮
IEC-C14
输入连接器
两个 5-15 插座(载入段 2) EBM 接线器
图 2. UPS 后面板(1000W (瓦),120V (伏)后面板)安装和启动 |
65
取下 UPS 前盖
3 取下 UPS 前盖。
推动两个外盖闩锁,以松开前盖,并拉起。
取下电池盖
4 松开电池金属盖上的翼形螺钉,并提起以取下外盖。66 |
安装和启动
连接内部电池连接器
5 连接内部电池接线器。
6 重新放回电池金属盖。
将螺钉拧至 0.7 牛米(N·m) (6.2 磅英寸(lb in))。
7 重新放回 UPS 前盖。安装和启动 |
67
连接设备
9
将设备连接到 UPS 上
将计算机的通信电缆连接到
UPS 上(可选)
8
8 如果您计划使用Dell UPS 管理软件,用提供的电缆将您的电脑连接到 USB 端口或 RS-232
端口。
9 将需要保护的设备插入 UPS 输出插座,但不要启动受保护的设备。
注意:确保全部设备的总额定值不超过 UPS 的负载能力,以防止出现过载警报。68 |
安装和启动
连接电源线
10 根据电源线额定电流验证 UPS 的功率输入具有上游过电流保护。
11 验证 UPS 的功率输入具有足够的上游过电流保护:
图 1. 最小上游断路器额定值
UPS 输出功率 120V(伏) 208V(伏) 230V(伏)
500W(瓦) 15A(安) — 15A(安)
1000W(瓦) 15A(安) — 15A(安)
1500W (瓦)
(在100V(伏)时)
1920W(瓦)
20A(安) — 15A(安)
12 将 UPS 电源线插入电源插座。安装和启动 |
69
启动 UPS
13 按下 UPS 后面板上的 按钮。
完成启动
14 确认“正常”(Normal)图标 显示在 UPS 状态概要屏幕上,这表明 UPS
运转正常,任何负荷都有动力供给。
15 在 UPS 状态屏上,按下 按钮,查看现有警报或通知。 解决所有警报问题,然后继续。
参见Dell 在线互动塔式 UPS 500W, 1000W, 和 1920/1500W 用户指南中的“故障处理”。
如果没有现有警报,会出现“无现有警报”(No Active Alarms)信息。
16 要更改其它出厂设置默认项,请参见Dell 在线互动塔式 UPS 500W, 1000W, 和 1920/1500W
用户指南中的“操作”。70 |
安装和启动Dellt 塔式 UPS
500W、1000W 和 1920/1500W
系統使用
入門指南
H900N, J715N, K788N, H914N, J716N, K789N
www.dell.com | support.dell.com注意和警告
注意: 「注意」表示可幫助您更好地使用本軟體的重要資訊。
危險: 「危險」表示緊急危險情況,如果不加以避免,將導致死亡或嚴重的傷害。
警告: 「警告」表示潛在危險情況,如果不加以避免,將會導致死亡或嚴重的傷害。
小心:「小心」表示潛在危險情況,如果不加以避免,可能導致輕度或中度傷害,或財產損失事故。
危險: 遵守以下須知有助於防止緊急危險情況,其若不加以避免,將導致死亡或嚴重的傷害。
S 本 UPS 包含危險致命的電壓。所有維修和服務都只能由經過授權的維修人員進行。UPS
中沒有可由使用者自行維修的零件。
本文件所含資訊如有變更,恕不另行通知。
E 2009 Dell Inc. 保留所有權利。
未經 Dell Inc. 書面允許,嚴格禁止以任何形式進行複製。
本文中使用的商標:Dell和Dell 標誌為 Dell Inc.的商標;Phillips 為 Phillips Screw Company 的註冊商標。
本文件中可能會使用其他商標或商業名稱來指涉擁有該商標或名稱權利的實體或其產品。Dell Inc.
對不屬於自己的商標和商品名稱,不擁有任何產權利益。
2009 年 7 月系統性能 |
73
系統性能
該 UPS 可提供傑出的性能與可靠性,包括下列獨有優勢:
S 降壓與升壓調節,藉由調節電壓波動確保您的負載電壓穩定。
S 電池啟動功能使您能在沒有外部電源時,也能使 UPS 通電。
S 1000–1920W UPS 型號可藉由選配的 外部電池模組(EBM)延長運行時間。
S 兩個標準通信連接埠(USB 和 DB--9 序列埠)。
S 選配的 Dell 網路管理卡 具有增強通訊功能,可增加電源保護和控制。
S 網路瞬態過電保護裝置可保護您的網路通信設備免受電壓突波的損害。
S 使用Dell UPS 管理軟體的先進電源管理,進行平滑關機和電力監控。
S 藉由稱為負載區段的單獨插座組進行順序關機和負載管理。
S 不必撥打服務電話,即可自行輕鬆的升級韌體。
S 提供全球代理商認證支援。74 |
尋找資訊
尋找資訊
CAUTION: 安全、環保和法規資訊文件提供重要的安全和法規資訊。
您正在尋找什麼? 在此尋找
S 我的 UPS 的使用者指南
S Dell 網路管理卡 使用者指南
S Dell UPS 管理軟體
注意:文件和軟體更新可在 support.dell.com 找到。
Dell UPS 光碟
S 規格
S 如何進行 UPS 設定
S 如何排除故障和解決問題
Dell UPS 使用者指南
使用者指南可從 Dell UPS 光碟和 support.dell.com
上取得。
S 安全操作說明
S 行政法規資訊
S 回收資訊
安全、環保和法規資訊
S 保固資訊
S 條款與條件(僅限美國)
S 一般使用者授權協議
Dell 保固和支援資訊
S 支援資訊 Dell 支援網站 — support.dell.com
注意:選擇您的區域或業務部門,以查看合適的支援
網站。安裝和啟動 |
75
安裝和啟動
CAUTION: 在進行本文件中的步驟之前,請先閱讀和遵循 安全、環保和法規資訊
文件中的安全操作說明和重要法規資訊。
CAUTION:小心: 機箱較重 [500W; 11.6 公斤 (25.6 磅); 1000W; 18.3 公斤 (40.3 磅);
1920/1500W: 30.5 公斤 (67.2 磅)]。 在拆開包裝和搬動機箱時請特別小心。
本節描述首次安裝系統的步驟。
拆除系統包裝
1 拆除系統包裝,並檢查確定每個項目。
2 以負責任的方式棄置或回收包裝材料,或者將其存放以備將來使用。76 |
安裝和啟動
UPS 的識別
本節介紹 Dell 塔式 UPS 的前面板和後面板。後面板詳細情況請參見 Dell在線互動機架式 UPS
500W、1000W、和 1920/1500W使用者指南。
外蓋閂鎖
外蓋閂鎖
LCD 顯示面板
捲軸按鈕(向上或向後)
選擇按鈕
捲軸按鈕(向下或向前)
圖 1. Dell 塔式UPS
通信連接埠
六個 5-15 插座(負載區段 1)
網路瞬態過電保護裝置
USB 連接埠
UPS 通信槽
開/關按鈕
IEC--C14
輸入連接器
兩個 5-15 插座(負載區段 2) EBM 接線器
圖 2. UPS 後面板(1000W,120V 後面板)安裝和啟動 |
77
取下 UPS 前蓋
3 取下 UPS 前蓋。
推動兩個外蓋閂鎖,以鬆開前蓋並將其拉起。
取下電池蓋
4 鬆開電池金屬蓋上的翼形螺釘,提起以取下外蓋。78 |
安裝和啟動
連接內部電池連接器
5 連接內部電池接線器。
6 重新放囘電池金屬蓋。
將螺釘擰至 0.7 牛米(N·m)(6.2 磅吋(lb in))。
7 重新放囘 UPS 前蓋。安裝和啟動 |
79
連接設備
9
將設備連接到 UPS 上
將電腦的通信電纜連接
到 UPS 上(可選
8
8 如果您計劃使用Dell UPS 管理軟體,請使用提供的電纜將您的電腦連接到 USB連接埠或
RS--232 連接埠。
9 將要保護的設備插入 UPS 輸出插座,但不要開啟受保護設備的電源。
注意: 確保全部設備的縂額定值未超過 UPS 的負載能力,以防止出現過載警報。80 |
安裝和啟動
連接電源線
10 根據電源線額定電流驗證 UPS 的電源輸入具有上游過電保護。
11 驗證 UPS 的電源輸入具有足夠的上游過電保護:
表 1. 最小上游斷路器額定值
UPS 輸出功率 120V(伏) 208V(伏) 230V(伏)
500W(瓦) 15A(安) — 15A(安)
1000W(瓦) 15A(安) — 15A(安)
1500W(瓦)
(當100V(伏)時)
1920W(瓦)
20A(安) — 15A(安)
12 將 UPS 電源線插入電源插座。安裝和啟動 |
81
啟動 UPS
13 按下 UPS 後面板上的 按鈕。
完成啟動
14 確認「正常」(Normal)圖示 顯示在 UPS 狀態概要螢幕上,這表明 UPS 運作正常,
任何負載都有電力提供。
15 在 UPS 狀態概要螢幕上,按下 按鈕,查看作用中的警報或通知。解決所有警報問題,
然後繼續。 參見 Dell在線互動機架式 UPS 500W、1000W和 1920/1500W使用者指南
中的「故障處理」。
如果沒有作用中的警報,會出現「無作用中警報」(No Active Alarms)訊息。
16 若要變更其它出廠預設設定,請參見Dell在線互動塔式 UPS 500W, 1000W和 1920/1500W
使用者指南中的「操作」。82 |
安裝和啟動Dellt Tower UPS
500W, 1000W, 1920/1500W
사용자의 시스템
시작하기
H900N, J715N, K788N, H914N, J716N, K789N
www.dell.com | support.dell.com참고 및 경고
참고:"참고"는 소프트웨어를 더 잘 활용하는 데 도움이 되는 중요한 정보를 나타냅니다.
위험:"위험"은 피하지 않을 경우, 급박한 위험 상황이 사망이나 중상의 결과를 야기할 수 있음을
나타냅니다.
경고:"경고"는 피하지 않을 경우 죽음이나 상해를 야기할 수 있는 잠재적 위험 상황을 표시합니다.
주의:"주의"는 피하지 않을 경우 경미하거나 보통의 상해 또는 재산 손실 사고를 야기할 수 있는 잠재적
위험 상황을 표시합니다.
위험: 아래의 지시사항을 준수하여, 피하지 않을 경우 사망이나 중상의 결과를 야기할 수 있는 급박한 위험
상황을 방지하십시오.
S UPS는 사망에 이를 수 있는 전압을 갖고 있습니다. 모든 수리와 정비는 자격있는 서비스
요원만이 수행해야 합니다. UPS 내부에는 사용자가 정비할 수 없는 부품이 있습니다.
이 문서에 포함된 정보는 고지없이 변경될 수 있습니다.
E 2009 Dell Inc. All rights reserved.
Dell Inc.의 서면 허락 없이 어떤 방식으로든 복제를 하는 것은 엄격히 금지됩니다.
이 문서에서 사용된 상표 : Dell및DELL로고는 Dell Inc.의 상표입니다. Phillips는Phillips Screw Company 의 등록상표입니다.
기타 상표와 상호를 관련 상표 및 명칭 또는 관련 제품에 대한 권리를 가지는 당사자를 지칭하기 위해 이 문서에서 사용될 수
있습니다. Dell Inc.는 Dell Inc.가 소유하지 않은 상표 및 상호에 대한 재산적 이해관계를 부인합니다.
2009 년 7월시스템 기능 |
85
시스템 기능
탁월한 성능과 신뢰도를 제공하면서, 본 UPS는 다음과 같은 특유의 장점을 지닙니다.
S 전압 변동을 교정하여 사용자의 부하에 대한 조정 전압을 보장하는 승강압형 전압 조정.
S 상용 전력을 사용할 수 없는 경우에도 UPS에 전력을 공급하는 스타트온 배터리
(start--on--battery) 기능.
S 선택사양인 1000–1920W UPS 모델용 외장 배터리 모듈(EBM)을 갖춘 확장 런타임.
S 2개의 표준 통신 포트 (USB 및 DB--9 시리얼 포트).
S 전원 보호 및 제어 능력을 제고하기 위한 강화된 통신 기능을 갖춘 선택사양인
Dell Network Management Card.
S 네트워크 통신 장비를 서지(surge)로부터 보호하는 네트워크 과도전류(transient) 프로텍터.
S 안정적인 종료 및 전원 감시를 위한 Dell UPS Management Software로 수행되는 고급 전원
관리.
S 로드 세그먼트라고 하는 별도의 콘센트 그룹을 통한 순차적 종료 및 부하 관리.
S 서비스 요청 없이도 쉽게 업그레이드할 수 있는 펌웨어.
S 세계적인 인증기관의 각종 인증을 득함.86 |
정보 찾아보기
정보 찾아보기
주의:안전, 환경, 및 규제 관련 정보 문서는 중요한 안전 및 규제 정보를 제공합니다.
찾는 정보 항목 정보의 소재
S UPS용 사용자 설명서
S Dell Network Management Card용 사용자 설명서
S Dell UPS Management Software
참고: 문서 및 소프트웨어 업데이트는
support.dell.com에서 조회할 수 있습니다.
Dell UPS 디스크
S 사양
S UPS 설정 구성 방법
S 문제점 처리 및 해결 방법
Dell UPS 사용자 설명서
사용자 설명서는 Dell UPS 디스크 및
support.dell.com에서 조회할 수 있습니다.
S 안전 지침
S 규제 정보
S 재활용 정보
안전, 환경, 및 규제 관련 정보
S 보증 정보
S 약관 (미국만 해당)
S 최종사용자 라이센스 계약
Dell 보증 및 지원 정보
S 지원 정보 Dell 지원 웹사이트 — support.dell.com
참고:적절한 지원 사이트를 보려면 해당
지역이나 사업분야를 선택하십시오.설치 및 시동 |
87
설치 및 시동
주의:본 문서의 절차를 수행하기 전에 안전, 환경, 및 규제 관련 정보 문서에 있는 안전 지침 및 중요한
규제정보를 읽고 준수하십시오.
주의:캐비닛은 무겁습니다[500W : 11.6 kg (25.6 lb); 1000W : 18.3 kg (40.3 lb); 1920/1500W :
30.5 kg (67.2 lb)]. 주의하여 캐비닛의 포장을 풀고 캐비닛을 옮기십시오.
이 절은 귀하의 시스템을 처음 설치하는 절차를 설명합니다.
시스템 포장풀기
1 시스템 포장을 풀고 각 품목을 확인하십시오.
2 포장은 해당 처리방식에 따라 폐기하거나 재활용하십시오. 또는, 추후 사용하려면
보관하십시오.88 |
설치 및 시동
UPS 확인하기
이 절에서는 Dell Tower UPS의 앞면 패널과 뒷면 패널을 보여줍니다. 모든 뒷면 패널의 세부에
대해서는 Dell Line--Interactive Tower UPS 500W, 1000W, 1920/1500W 사용자 설명서를
참조하십시오.
덮개 걸쇠
덮개 걸쇠
LCD패널
스크롤 버튼(위로 또는 뒤로)
버튼 선택
스크롤 버튼(아래로 또는 앞으로)
그림 1. Dell Tower UPS
통신 포트
6개의5-15콘센트
(로드 세그먼트1)
네트워크 과도전류
프로텍터
USB포트
UPS통신 베이
ON/OFF버튼
IEC-C14입력
커넥터
2개의5-15콘센트
(로드 세그먼트 2)
EBM 커넥터
그림 2. UPS 뒷면 패널 (1000W, 120V 뒷면 패널)설치 및 시동 |
89
UPS 앞면 덮개 제거하기
3 UPS 앞면 덮개를 제거하십시오.
두 개의 덮개 걸쇠를 밀어서 앞면 덮개를 풀고 당겨 올리십시오.
배터리 덮개 제거하기
4 금속 배터리 덮개의 손나사를 풀고 들어올려 덮개를 제거하십시오.90 |
설치 및 시동
내부 배터리 커넥터 연결하기
5 내부 배터리 커넥터를 연결하십시오.
6 금속 배터리 덮개를 교체하십시오.
나사에 0.7 N·m (6.2 lb in)의 토크를 주십시오.
7 UPS 앞면 덮개를 교체하십시오.설치 및 시동 |
91
장비 연결하기
9
장비를UPS로 연결
컴퓨터에서UPS로 통신 케이블을
연결(선택사양)
8
8 Dell UPS Management Software를 사용하실 계획이라면, 제공된 케이블을 이용하여 컴퓨터를
USB 포트나 RS--232 포트로 연결하십시오.
9 보호할 장비를 UPS 출력 콘센트에 꽂되 켜지는 마십시오.
참고: 과부하 경보를 방지하려면 장비의 전체 정격사양이 UPS 용량을 초과하지 않도록 확인하십시오.92 |
설치 및 시동
전원 코드 연결하기
10 UPS로 입력되는 전원이 전원코드 전류 정격에 따라 업스트림 과전류 보호를 받고 있는지
확인하십시오.
11 UPS로 입력되는 전원이 적당한 업스트림 과전류에 대해 보호 받고 있는지 확인하십시오.
표 1. 최소 업스트림 회로차단기 정격
UPS 출력 전원 120V 208V 230V
500W 15A — 15A
1000W 15A — 15A
1500W (100V)
1920W
20A — 15A
12 UPS 전원코드를 전원 콘센트에 연결하십시오.설치 및 시동 |
93
UPS 시동하기
13 UPS 앞면 패널의 버튼을 누르십시오.
시동 완료하기
14 UPS가 정상적으로 작동하고 있고 모든 부하가 전력을 공급받고 있음을 표시하는, 정상
아이콘 이 UPS 상태 요약 화면에 나타나는지 확인하십시오.
15 UPS 상태 요약 화면에서, 활성 경보나 통지를 확인하려면 버튼을 누르십시오. 후속
작업을 계속하기 전에 활성 경보를 처리하십시오. Dell Line--Interactive Tower UPS 500W,
1000W, 1920/1500W 사용자 설명서의 "장애처리"를 참조하십시오.
활성 경보가 없을 경우, "활성 경보 없음" 메시지가 나타납니다.
16 기타 공장설정값을 변경하려면 Dell Line--Interactive Tower UPS 500W, 1000W, 1920/1500W
사용자 설명서의 "작동"을 참조하십시오.94 |
설치 및 시동Delltタワー型UPS
500W、1000W、および1920/1500W
はじめに
システムについて
H900N, J715N, K788N, H914N, J716N, K789N
www.dell.com | support.dell.com注意および警告
注記: 「注記」は、ソフトウェアを有効に利用するための重要な情報を示しています。
危険: 「危険」は、回避しないとほぼ確実に死亡、または重傷を招く危険な状況を示しています。
警告: 「警告」は、回避しないと死亡、または重傷を招く潜在的に危険な状況を示しています。
注意: 「注意」は、回避しないと軽傷、または中程度の傷害を招く恐れがある潜在的に危険な状況を示
しています。
危険:
避しないとほぼ確実に死亡、または重傷を招く危険な状況を防ぐため、以下の説明をよくお読みくだ
さい。
S このUPSの中には致死的な電圧が掛かっています。 すべての修理や点検は、公認のサービ
ススタッフのみが行わなければいけません。
当資料の情報は、予告なく変更されることがあります。
E 2009 Dell Inc.無断複写・転載を禁じます。
Dell Inc.の書面による許可のない複写は、いかなる形態においても厳重に禁じられています。.
DellおよびDELLのロゴは、Dell Inc.の登録商標です:Phillipsは、Phillips Screw Companyの登録商標です。
本書に使用されているその他の登録商標および商標名は、商標や名称を主張する事業体、あるいは製品のいずれかに言及しま
す。Dell Inc.は、Dell自身が所有する登録商標および商標権におけるいかなる所有権を一切放棄します。
2009年7月システムの特徴 |
97
システムの特徴
UPSは優れた性能や信頼性を提供し、以下のような独自の利点がございます:
S 電圧変動を修正することで、負荷への一貫した電圧を保証する「昇降圧」電圧調節。
S 外部電力がないときでもUPSの電力を入れることができる始動電池の能力。
S 拡張ランタイムおよびオプションとして1000--1920W UPS型用
の外付けバッテリーモジュール(外付けバッテリーモジュール)付き。
S 2つの標準通信ポート(USBおよびDB--9シリアルポート)。
S オプションとして、増加電力の保護や制御を行う高度通信機能付きDell
ネットワークマネージメントカード。
S サージからネットワーク通信装置を保護するネットワーク過度電流プロテクタ。
S スムースなシャットダウンや電力管理を行うDell UPS制御ソフトウェアおよび高度電力
管理。
S 負荷セグメントと呼ばれる個別のレセプタクルグループを通じた逐次シャットダウンおよび
負荷制御。
S カスタマーサービスに問い合わせる必要なく、
簡単にアップグレードができるファームウェア。
S 世界中の代理店の承認による支持。98 |
情報検出
情報検出
注意::
安全、環境、規則に関する情報資料には、安全および規定に関する重要情報が含まれています。
どんな情報をお探しですか? こちらでご覧いただけます
S UPSユーザーガイド
S Dellネットワークマネージメントカード用の
ユーザーガイド
S Dell UPS制御ソフトウェア
注記:説明書およびソフトウェアの更新情報
は、support.dell.comでご確認いただけます。
Dell UPS ディスク
S 仕様
S UPSの設定方法
S トラブルシューティングおよび問題の解決方法
Dell UPS ユーザーガイド
ユーザーガイドはDell UPSディスクおよび
support.dell.comで入手することができます。
S 安全に関する説明書
S 規則に関する情報
S リサイクルに関する情報
安全、環境、規則に関する情報
S 保証情報
S 使用上の条件(アメリカのみ)
S エンドユーザー使用許諾契約
Dell 保証およびサポート情報
S サポート情報 Dell サポート用ウェブサイト ‒
support.dell.com
注意:使用する地域や事業区分を選択し、
適切なサポートサイトをご覧ください。インストールおよび設定 |
99
インストールおよび設定
注意::
当資料の手順を実施する前に、安全、環境、規則に関する情報資料に記載されている安全に関す
る説明書および重要な規制情報をご覧いただき、これらの情報に従ってください。
注意:: キャビネットの重量[500W: 11.6 kg (25.6 lb); 1000W: 18.3 kg (40.3 lb); 1920/1500W: 30.5
kg (67.2 lb)] 注意して開梱し、キャビネットを移動します。
このセクションは、最初におけるシステムの設定方法について説明しています。
システムの開梱
1 システムを開梱し、各項目を識別します。
2 責任を持ってパッケージを処分、またはリサイクルし、あるいは将来使えるように保管し
ます。100 |
インストールおよび設定
UPSの識別
このセクションは、Dellタワー型UPSのフロントパネルおよびリヤパネルを示しています。
リヤパネルの詳細に関しましては、Dellラインインタラクティブ式ラック
500W、1000W、および1920/1500W ユーザーガイドをご参照ください。
カバー止め
カバー止め
LCDパネル
スクロールボタン
(上方向、または後方)
選択ボタン
スクロールボタン
(下方向、または前方)
図 1. Dellタワー型UPS
通信ポート
5-15レセプタクル 6個
(負荷セグメント1)
ネットワーク過度
電流プロテクタ USBポート
カバーを取り外します
オン/オフボタン
IEC-C14
入力コネクタ
5-15レセプタクル 2個 EMB コネクタ (負荷セグメント2)
図 2. UPSリヤパネル(1000W、120Vリヤパネル)インストールおよび設定 |
101
UPSのフロントカバーの取り外し方法
3 UPSのフロントカバーを取り外します。
2個のカバー止めを押し、フロントカバーを開放し、引き上げます。
バッテリーカバーの取り外し方
4 金属製バッテリーカバーの蝶ネジを外し、カバーを持ち上げて取り外します。102 |
インストールおよび設定
内臓バッテリーコネクタの接続方法
5 内臓バッテリーコネクタを接続します。
6 金属製バッテリーカバーを取り外します。
ネジを0.7 N·m (6.2 lb in)のトルクで締めます。
7 UPSフロントカバーを取り外します。インストールおよび設定 |
103
装置の接続方法
9
装置をUPSへ接続
コンピューターからUPSへの通信
ケーブルを接続(オプション)
8
8 Dell UPS制御ソフトウェアを使用する場合は、同梱のケーブルを使って、
コンピューターをUSBポートやRS--232ポートへ接続してください。
9 保護する装置をUPS出力レセプタクルに差し込みます。ただし保護装置の電源は入れない
でください。
注記::
過負荷アラームを防ぐため、装置の定格の合計がUPSの容量を超えていないか確認してください。104 |
インストールおよび設定
電源コードの接続方法
10 UPSへの電源入力には、電源コードの定格電流に従い、逆流過電流保護があるか確認して
ください。
11 UPSへの電源入力には、十分な逆流過電流保護があるか確認してください。
表 1. 上流遮断機最小定格
UPS出力 120V 208V 230V
500W 15A — 15A
1000W 15A — 15A
1500W (100V時)
1920W
20A — 15A
12 UPSの電源コードを電源コンセントに差し込みます。インストールおよび設定 |
105
UPSの起動方法
13 UPSのリヤパネルの ボタンを押します。
起動の完了
14 UPSが正常に動作し、負荷電力があることを示す「正常」アイコン がUPSのステータス
要約画面に現れていることをお確かめください。
15 アクティブになっているアラームや通知を確かめるには、UPSステータス要約画面の ボタ
ンを押します。 続ける前に、アクティブになっているアラームを解消してください。Dell
ラインインタラクティブ式ラック 500W、1000W、および1920/1500W ユーザーガイドの
「トラブルシューティング」をご参照ください。
アクティブになっているアラームがない場合は、「アクティブアラームなし」と表示され
たメッセージが現れます。
16 その他の工場出荷時設定の変更は、Dellラインインタラクティブ式ラック
500W、1000W、および1920/1500W ユーザーガイドの「操作方法」をご参照ください。106 |
インストールおよび設定*1642018091*
164201809 1
Dell Multi-UPS Management Console and
UPS Local Node Manager Software
Version 01.06
User Guide Update MUMC and ULNM Software v01.06 User Guide Update
December 2012 2
Operating Systems supported by MUMC and ULNM
MUMC and ULNM v01.06 support the following systems:
Operating system
MUMC ULNM
Service
Pack
Platform Software
version Service
Pack
Platform Software
version
x86 x64 V1.04 V1.06 x86 x64 V1.04 V1.06
Windows
Server 2012
Windows Small
Business Server 2012
Standard
Latest √ √ Latest √ √
Windows
Server 2011
Windows Small
Business Server 2011
Standard
Latest √ √ √ Latest √ √ √
Windows
Server 2008
Windows Server 2008
R2 Standard,
Enterprise, Datacenter
SP1 √ √ √ SP1 √ √ √
Windows Server 2008
R1 Standard, Enterprise,
Datacenter
SP2 √ √ √ √ SP2 √ √ √ √
Windows Server 2008
Small Business Server
R2
Latest √ √ √ √ Latest √ √ √ √
Windows Server 2008
Small Business Server Latest √ √ √ √ Latest √ √ √ √
Windows
Server 2003
Windows Server 2003
Standard, Enterprise,
Datacenter R2
SP2 √ √ √ √ SP2 √ √ √ √
Windows Server 2003
Standard, Enterprise,
Datacenter R1
SP1 √ √ √ √ SP1 √ √ √ √
Windows Small
Business Server 2003
Standard, Enterprise,
Premium R2
Latest √ √ √ Latest √ √ √
Windows 8
Windows 8 (Enterprise,
Premium, Professional,
Ultimate, Basic)
Latest √ √ Latest √ √
Windows 7
Windows 7 (Enterprise,
Premium, Professional,
Ultimate, Basic)
SP1 √ √ √ √ SP1 √ √ √ √
Windows
Vista
Windows Vista
(Enterprise, Ultimate,
Business)
SP2 √ √ √ √ SP2 √ √ √ √
Windows XP Windows XP
Professional SP3 √ √ √ SP3 √ √ √
RedHat
Enterprise
Linux
Red Hat Enterprise
Linux 6.3 √ √ √
Red Hat Enterprise
Linux 6.2 √ √ √ √
Red Hat Enterprise
Linux 5.9 √ √ √ √
Red Hat Enterprise
Linux 5.8 √ √ √ √
Red Hat Enterprise
Linux 5.7 √ √ √ √
Red Hat Enterprise
Linux Advanced
Platform 5.4 (Latest
U7 √ √ √ √MUMC and ULNM Software v01.06 User Guide Update
December 2012 3
Update)
Red Hat Enterprise
Linux Base Server
5.4 (Latest Update)
U7 √ √ √ √
Red Hat Enterprise
Linux Version 5 U6 √ √ √ √
Fedora core 15 √ √ √ √
Fedora core 14 √ √ √ √
SUSE/Novel
SuSE Linux Enterprise
Server 11 SP2 √ √ √ √
SuSE Linux Enterprise
Server 11 SP1 √ √ √ √
SuSE Linux Enterprise
Server 10 SP4 √ √ √ √
OpenSuse 11.4 √ √ √ √
OpenSuse 11.2 √ √ √ √
Debian GNU
Linux
Debian 6 (Squeeze) √ √ √ √
Debian 5 (Lenny) √ √ √
Ubuntu
12.10 √ √ √ √
12.04 LTS √ √ √ √
11.04 LTS √ √ √ √
10.04 LTS √ √ √ √
Virtualization environments supported by MUMC and ULNM
MUMC and ULNM v01.06 support the following environments:
Virtualization Environment
MUMC ULNM
Service
Pack
Platform Software
version Service
Pack
Platform Software
version
x86 x64 V1.04 V1.06 x86 x64 V1.04 V1.06
VMware ESXi 5.1 (pay version
only) √ √ √ √
ESXi 5.0 (pay version
only) U1 √ √ √ U1 √ √ √
ESX 4.0 (pay version
only) U4 √ √ √ U4 √ √ √
ESXi 4.1 (pay version
only) U4 √ √ √ U4 √ √ √
ESX 4.0 (pay version
only) √ √ √ √ √ √
ESXi 4.1 (pay version
only) √ √ √ √ √ √
Microsoft
HyperV
Windows Hyper-V
Server 2012 √ √ √ √
Windows Hyper-V
Server 2008 R2 √ √ √ √ √ √
Windows Hyper-V
Server 2008 √ √ √ √ √ √
Citrix
XenServer 6.0 √ √ √ √ √ √ √ √
XenServer 5.6 √ √ √ √ √ √ √ √
OpenSource Xen 2.6
on RHEL 5 √ √ √ √ √ √
OpenSource Xen 3.2
on Debian 5 √ √ √ √ √ √
KVM KVM 0.12.1.2 on RHEL
6 and Debian 5 √ √ √ √ √ √MUMC and ULNM Software v01.06 User Guide Update
December 2012 4
Virtualization consoles and features supported by MUMC and ULNM
MUMC and ULNM v01.06 support the following virtual environment consoles and features:
Virtualization consoles and
features
MUMC ULNM
Service
Pack
Platform Software
version Service
Pack
Platform Software
version
x86 x64 V1.04 V1.06 x86 x64 V1.04 V1.06
VMware
console vCenter √ √ √ √
VMware
feature
vMotion √ √ √ √
vSphere √
Microsoft
HyperV
console
SCVMM 2012 √ √ √ √
Microsoft
HyperV
feature
LiveMigration √ √ √ √
Citrix
console XenCenter √ √ √ √
Citrix
feature
XenMotion Live
Migration √ √ √ √
Release notes
MUMC and ULNM version 01.06
Operating systems updates compatibility:
Windows 8
Add new etoast notification tool for operating system providing Metro interface.
SCVMM 2012
ESXi 5.1
RedHat 6.3
Bug fixes:
Remove vCenter plugin does not remove MUMC tab in vCenter
Fix issue with IE10 (Windows 8) compatibility
Fix bad icon in Windows 8 task bar when notification popup is displayed
Fix a crash when special network interfaces are set. This crash has been reported in Red Hat 5.6 using
a tuned interface created via openvpn. MUMC and ULNM Software v01.06 User Guide Update
December 2012 5
MUMC and ULNM version 01.04
Usability enhancementsto the graphical userinterface
Systemtraymenu added (Windows) including ability to stop/startservice fromthe tray icon contextual
menu
Improved alarmacknowledgement options, and audible alarmadded to notification events
Improved eventsorting options
Display of active powerin watts, not Volt‐Amps
UPS shutdown settingsmenu now available in shutdownmenu location
Newfunctionality in the graphical userinterface
Improvedmass configuration ofmultipleDellUPSNetwork Cards andULNM agents
XML v4 implementation forimproved security
Improved reverse name resolution capabilitiesforULNM agents and hardware nodes
Enhanced detection of communication loss, which is now available as a shutdown criteria
Added ability to forceUDP or TCP subscription forNMC
MUMC now can be registered as “powered application” inNMC Web interface.
Database logs optimized to handle largerinstallations
Expanded virtualization platform support and integration
XenCenter plugin
Force VM shutdown inHA clusters using Remote Virtual Machine Shutdown (RVMS)
Smoother operation of hostmanagementshutdown
Improved documentation for VMware setup
Supportfortwo or moreUPSs powering redundant powersupply unit(PSU) devices
UPS software considersmultipleUPS battery status before reaching “low battery” status and shutting
down servers.
Ability to create virtual composite groups ofUPSstomanage redundantinstallations as one device
Support ofDell’s unique power metrics
Peak headroom, peak consumption, allmetrics now in Watts(W) and not Volt‐Amps(VA).
Virtualization
Subscribe MUMC isshown as a “notified application” in theUPSNMC card when a VM host node has a
UPS configured in MUMC.
MicrosoftIntegration
Trigger vCenter vMotion™ and SCVMM Live Migration™ applications
Transparentlymove virtualmachinesfroma server affected by a powerinterruption to a non‐affected
serverMUMC and ULNM Software v01.06 User Guide Update
December 2012 6
Citrix integration
XenServer: Remote shutdown from MUMC,remotemaintenance from MUMC, can Add/Protect a
XenServerin MUMC
XenCenter: Create an MUMC XenCenter plug‐in, agent‐less hostmanagementfrom MUMC, agent‐less
XenMotion
VMware integration
Removed the prerequisite of Pearl SDK installation for MUMC to communicate with VMware vCenter
New power events and alarmslogs created in VMware vCenter console
Added ability to force VM shutdown forHA clusters
Can now Add/Protect a standalone ESX/ESXi in MUMC without vCenter
Linux Support
Added supportforlatest Linux distributions(seeUserGuide forfull list)
Bug fixes:
Crash when emc2 runs out of resources (memory)
ULNM does not detect UPS connected with USB connectivity
Transfer to high efficiency mode not visible in the events list
MUMC may lose nodes, and generates alarms on non‐UPS SNMP devices
When a proxy client reaches shutdown time, all other proxy clients along with server get shut down
No communication lost after network cable is removed
Make sure Scan and communication behaves correctly when USB module is not present
Proxy: when changing power source, previous endpoint is not removed
MUMC upgrade will disable the "Set as Power Source"
ULNM in connected mode in Notified Applications of NMC
Event Pane in Power Source View is Off by One
Detect Lansafe, Netwatch, Lansafe Web View in the installer
Silent uninstall does not remove the install folder
Other bug fixes and improvements:
Outlet management improvements
Scan sometime never stops
Removing devices hangs the server
FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell
Contax\sources\CxUGCover.fm
DELL CONFIDENTIAL – PRELIMINARY 3/11/13 – FOR PROOF ONLY
Template Last Updated -03/06/2010
Dell PowerConnect
5500 Series
System User Guide
Regulatory Models: PowerConnect 5524, 5524P, 5548, 5548PNotes, Cautions, and Warnings
NOTE: A NOTE indicates important information that helps you
make better use of your system.
CAUTION: A CAUTION indicates potential damage to
hardware or loss of data if instructions are not followed.
WARNING: A WARNING indicates a potential for property
damage, personal injury, or death.
____________________
Information in this document is subject to change without notice.
© 2013 Dell Inc. All rights reserved.
Reproduction of these materials in any manner whatsoever without the written
permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell™, the DELL logo, Dell Precision™,
OptiPlex™, Latitude™, PowerEdge™, PowerVault™, PowerConnect™,
OpenManage™, EqualLogic™, KACE™, FlexAddress™ and Vostro™ are
trademarks of Dell Inc. Intel®, Pentium®, Xeon®, Core™ and Celeron® are
registered trademarks of Intel Corporation in the U.S. and other countries.
AMD® is a registered trademark and AMD Opteron™, AMD Phenom™, and
AMD Sempron™ are trademarks of Advanced Micro Devices, Inc. Microsoft®,
Windows®, Windows Server®, MS-DOS® and Windows Vista® are either
trademarks or registered trademarks of Microsoft Corporation in the United
States and/or other countries. Red Hat Enterprise Linux® and Enterprise Linux®
are registered trademarks of Red Hat, Inc. in the United States and/or other
countries. Novell® is a registered trademark and SUSE ™ is a trademark of
Novell Inc. in the United States and other countries. Oracle® is a registered
trademark of Oracle Corporation and/or its affiliates. Citrix®, Xen®, XenServer®
and XenMotion® are either registered trademarks or trademarks of Citrix
Systems, Inc. in the United States and/or other countries. VMware®, Virtual
SMP®, vMotion®, vCenter®, and vSphere® are registered trademarks or
trademarks of VMWare, Inc. in the United States or other countries.
Other trademarks and trade names may be used in this publication to refer to
either the entities claiming the marks and names or their products. Dell Inc.
disclaims any proprietary interest in trademarks and trade names other than its
own.
Regulatory Models PC5524, PC5524P, PC5548 and PC5548P
March 2013 A07FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance
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Contents 3
Contents
1 Preface . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2 Features. . . . . . . . . . . . . . . . . . . . . . . . . . 15
IP Version 6 (IPv6) Support . . . . . . . . . . . . . . . 16
Stack Support . . . . . . . . . . . . . . . . . . . . . . 16
Power over Ethernet. . . . . . . . . . . . . . . . . . . 16
Green Ethernet. . . . . . . . . . . . . . . . . . . . . . 17
Head of Line Blocking Prevention. . . . . . . . . . . . 17
Flow Control Support (IEEE 802.3X) . . . . . . . . . . . 17
Back Pressure Support . . . . . . . . . . . . . . . . . 17
Virtual Cable Testing (VCT) . . . . . . . . . . . . . . . 18
Auto-Negotiation . . . . . . . . . . . . . . . . . . . . 18
MDI/MDIX Support. . . . . . . . . . . . . . . . . . . . 18
MAC Address Supported Features . . . . . . . . . . . 18
Layer 2 Features . . . . . . . . . . . . . . . . . . . . . 20
IGMP Snooping . . . . . . . . . . . . . . . . . . . . . 20
Port Mirroring . . . . . . . . . . . . . . . . . . . . . . 20
Broadcast Storm Control . . . . . . . . . . . . . . . . 20FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance
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4 Contents
VLAN Supported Features . . . . . . . . . . . . . . . . 21
Spanning Tree Protocol Features . . . . . . . . . . . . 22
Link Aggregation. . . . . . . . . . . . . . . . . . . . . 24
Quality of Service Features . . . . . . . . . . . . . . . 24
Device Management Features. . . . . . . . . . . . . . 25
Security Features . . . . . . . . . . . . . . . . . . . . 29
Port Profile (CLI Macro) . . . . . . . . . . . . . . . . . 31
DHCP Server . . . . . . . . . . . . . . . . . . . . . . . 32
Protected Ports. . . . . . . . . . . . . . . . . . . . . . 32
iSCSI Optimization . . . . . . . . . . . . . . . . . . . . 32
Proprietary Protocol Filtering . . . . . . . . . . . . . . 32
3 Hardware Description . . . . . . . . . . . . . . 35
Device Models . . . . . . . . . . . . . . . . . . . . . . 36
Device Structure . . . . . . . . . . . . . . . . . . . . . 36
LED Definitions. . . . . . . . . . . . . . . . . . . . . . 40
Power Supplies . . . . . . . . . . . . . . . . . . . . . 44
4 Stacking Overview. . . . . . . . . . . . . . . . . 45
Stack Overview . . . . . . . . . . . . . . . . . . . . . 46
Stack Members and Unit IDs . . . . . . . . . . . . . . 49FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance
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Contents 5
5 Configuring the Switch . . . . . . . . . . . . . . 57
Configuration Work Flow . . . . . . . . . . . . . . . . 58
Connecting the Switch to the Terminal . . . . . . . . . 59
Booting the Switch . . . . . . . . . . . . . . . . . . . 60
Configuring the Stack . . . . . . . . . . . . . . . . . . 61
Configuration Using the Setup Wizard . . . . . . . . . 61
6 Advanced Switch Configuration . . . . . . . 67
Using the CLI. . . . . . . . . . . . . . . . . . . . . . . 68
Accessing the Device Through the CLI . . . . . . . . . 71
Retrieving an IP Address . . . . . . . . . . . . . . . . 72
Security Management and Password Configuration . . 75
Configuring Login Banners . . . . . . . . . . . . . . . 78
Startup Menu Procedures . . . . . . . . . . . . . . . . 80
Software Download . . . . . . . . . . . . . . . . . . . 83
7 Using Dell OpenManage Administrator. . 87
Starting the Application . . . . . . . . . . . . . . . . . 88
Understanding the Interface. . . . . . . . . . . . . . . 88
Using the Switch Administrator Buttons . . . . . . . . 91
Field Definitions . . . . . . . . . . . . . . . . . . . . . 93
Common GUI Features . . . . . . . . . . . . . . . . . . 93FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance
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6 Contents
GUI Terms. . . . . . . . . . . . . . . . . . . . . . . . . 94
CLI Commands . . . . . . . . . . . . . . . . . . . . . . 94
8 Network Security. . . . . . . . . . . . . . . . . . 97
Port Security . . . . . . . . . . . . . . . . . . . . . . . 98
ACLs . . . . . . . . . . . . . . . . . . . . . . . . . . 103
ACL Binding . . . . . . . . . . . . . . . . . . . . . . 123
Proprietary Protocol Filtering . . . . . . . . . . . . . 125
Time Range. . . . . . . . . . . . . . . . . . . . . . . 127
Dot1x Authentication. . . . . . . . . . . . . . . . . . 132
9 Configuring System Information . . . . . . 155
General Switch Information . . . . . . . . . . . . . . 156
Time Synchronization . . . . . . . . . . . . . . . . . 169
Logs. . . . . . . . . . . . . . . . . . . . . . . . . . . 195
IP Addressing . . . . . . . . . . . . . . . . . . . . . 209
Diagnostics. . . . . . . . . . . . . . . . . . . . . . . 255
Management Security . . . . . . . . . . . . . . . . . 261
DHCP Server . . . . . . . . . . . . . . . . . . . . . . 297
SNMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314
File Management. . . . . . . . . . . . . . . . . . . . 337
Stack Management . . . . . . . . . . . . . . . . . . 367FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance
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Contents 7
sFlow . . . . . . . . . . . . . . . . . . . . . . . . . . 375
10 Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . 384
Overview. . . . . . . . . . . . . . . . . . . . . . . . . 385
Jumbo Frames . . . . . . . . . . . . . . . . . . . . . . 388
Green Ethernet Configuration . . . . . . . . . . . . . . 390
Protected Ports . . . . . . . . . . . . . . . . . . . . . 394
Port Profile. . . . . . . . . . . . . . . . . . . . . . . . 397
Port Configuration . . . . . . . . . . . . . . . . . . . . 403
LAG Configuration . . . . . . . . . . . . . . . . . . . . 409
Storm Control . . . . . . . . . . . . . . . . . . . . . . 414
Port Mirroring . . . . . . . . . . . . . . . . . . . . . . 417
11 Address Tables . . . . . . . . . . . . . . . . . . . 422
Overview. . . . . . . . . . . . . . . . . . . . . . . . . 423
Static Addresses. . . . . . . . . . . . . . . . . . . . . 424
Dynamic Addresses . . . . . . . . . . . . . . . . . . . 427
12 GARP . . . . . . . . . . . . . . . . . . . . . . . . . . . 430
GARP Overview . . . . . . . . . . . . . . . . . . . . . 431
GARP Timers . . . . . . . . . . . . . . . . . . . . . . . 432FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance
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8 Contents
13 Spanning Tree . . . . . . . . . . . . . . . . . . . . 434
Spanning Tree Protocol Overview. . . . . . . . . . . 435
Global Settings. . . . . . . . . . . . . . . . . . . . . 437
STP Port Settings. . . . . . . . . . . . . . . . . . . . 442
STP LAG Settings. . . . . . . . . . . . . . . . . . . . 447
Rapid Spanning Tree. . . . . . . . . . . . . . . . . . 450
Multiple Spanning Tree . . . . . . . . . . . . . . . . 454
14 VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . 466
Virtual LAN Overview . . . . . . . . . . . . . . . . . 467
VLAN Membership . . . . . . . . . . . . . . . . . . . 472
Port Settings . . . . . . . . . . . . . . . . . . . . . . 475
LAGs Settings . . . . . . . . . . . . . . . . . . . . . 481
Protocol Groups . . . . . . . . . . . . . . . . . . . . 484
Protocol Port . . . . . . . . . . . . . . . . . . . . . . 488
GVRP Parameters . . . . . . . . . . . . . . . . . . . 490
Private VLAN. . . . . . . . . . . . . . . . . . . . . . 494
Voice VLAN. . . . . . . . . . . . . . . . . . . . . . . 498
15 Link Aggregation . . . . . . . . . . . . . . . . . . 508
Link Aggregation Overview . . . . . . . . . . . . . . 509
LACP Parameters. . . . . . . . . . . . . . . . . . . . 511FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance
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Contents 9
LAG Membership . . . . . . . . . . . . . . . . . . . . 514
16 Multicast . . . . . . . . . . . . . . . . . . . . . . . . 516
Multicast Support Overview. . . . . . . . . . . . . . . 517
Global Parameters. . . . . . . . . . . . . . . . . . . . 519
Bridge Multicast Groups . . . . . . . . . . . . . . . . 521
Bridge Multicast Forward All . . . . . . . . . . . . . . 525
IGMP Snooping . . . . . . . . . . . . . . . . . . . . . 527
Unregistered Multicast . . . . . . . . . . . . . . . . . 533
Multicast TV VLAN. . . . . . . . . . . . . . . . . . . . 535
17 LLDP . . . . . . . . . . . . . . . . . . . . . . . . . . . 540
LLDP Overview. . . . . . . . . . . . . . . . . . . . . . 541
LLDP Properties . . . . . . . . . . . . . . . . . . . . . 542
LLDP Port Settings . . . . . . . . . . . . . . . . . . . . 546
MED Network Policy . . . . . . . . . . . . . . . . . . 549
LLDP MED Port Settings . . . . . . . . . . . . . . . . . 552
Neighbors Information. . . . . . . . . . . . . . . . . . 557
18 Dynamic ARP Inspection . . . . . . . . . . . . 560
Dynamic ARP Inspection Overview. . . . . . . . . . . 561
Global Settings. . . . . . . . . . . . . . . . . . . . . . 562FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance
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10 Contents
Dynamic ARP Inspection List . . . . . . . . . . . . . 564
Dynamic ARP Inspection Entries . . . . . . . . . . . 566
VLAN Settings . . . . . . . . . . . . . . . . . . . . . 568
Trusted Interfaces . . . . . . . . . . . . . . . . . . . 570
19 DHCP Snooping . . . . . . . . . . . . . . . . . . . 572
DHCP Snooping . . . . . . . . . . . . . . . . . . . . 573
DHCP Relay. . . . . . . . . . . . . . . . . . . . . . . 586
20 iSCSI Optimization . . . . . . . . . . . . . . . . . 594
Optimizing iSCSI Overview . . . . . . . . . . . . . . 595
Global Parameters . . . . . . . . . . . . . . . . . . . 598
iSCSI Targets . . . . . . . . . . . . . . . . . . . . . . 601
iSCSI Sessions . . . . . . . . . . . . . . . . . . . . . 603
Configuring iSCSI Using CLI . . . . . . . . . . . . . . 605
21 Statistics/RMON . . . . . . . . . . . . . . . . . . 606
Table Views . . . . . . . . . . . . . . . . . . . . . . 607
RMON Components . . . . . . . . . . . . . . . . . . 625
Charts. . . . . . . . . . . . . . . . . . . . . . . . . . 643FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance
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Contents 11
22 Quality of Service . . . . . . . . . . . . . . . . . 650
QoS Features and Components . . . . . . . . . . . . . 651
General. . . . . . . . . . . . . . . . . . . . . . . . . . 653
QoS Basic Mode . . . . . . . . . . . . . . . . . . . . . 669
QoS Advanced Mode . . . . . . . . . . . . . . . . . . 678
QoS Statistics . . . . . . . . . . . . . . . . . . . . . . 698
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . 705
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 720
Revision History . . . . . . . . . . . . . . . . . . . . . . 735FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance
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12 ContentsDell PowerConnect 55xx Systems User Guide 13
DELL CONFIDENTIAL – PRELIMINARY 3/11/13 - FOR PROOF ONLY
1
Preface
PowerConnect 5524/5548 and PowerConnect 5524P/5548P are stackable,
advanced multi-layer devices.
This guide contains the information needed for installing, configuring, and
maintaining the device through the web-based management system, called
the OpenManage Switch Administrator.
This guide describes how to configure each system through the web-based
management system and through CLI commands.
The CLI Reference Guide, which is available on the Documentation CD,
provides additional information about the CLI commands. 14 Dell PowerConnect 55xx Systems User Guide
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DELL CONFIDENTIAL – PRELIMINARY 3/11/13 - FOR PROOF ONLYDell PowerConnect 55xx Systems User Guide 15
DELL CONFIDENTIAL – PRELIMINARY 3/11/13 - FOR PROOF ONLY
2
Features
This section describes the features of the PowerConnect 5524/P and 5548/P
switches.
For a complete list of all updated device features, see the latest software
version Release Notes.
This section contains the following topics:
• IP Version 6 (IPv6) Support
• Stack Support
• Power over Ethernet
• Green Ethernet
• Head of Line Blocking Prevention
• Flow Control Support (IEEE 802.3X)
• Back Pressure Support
• Virtual Cable Testing (VCT)
• Auto-Negotiation
• MDI/MDIX Support
• MAC Address Supported Features
• Layer 2 Features
• IGMP Snooping
• Port Mirroring
• Broadcast Storm Control
• VLAN Supported Features
• Spanning Tree Protocol Features
• Link Aggregation
• Quality of Service Features
• Quality of Service Features
• Device Management Features16 Dell PowerConnect 55xx Systems User Guide
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• Security Features
• DHCP Server
• Protected Ports
• iSCSI Optimization
• Proprietary Protocol Filtering
IP Version 6 (IPv6) Support
The device functions as an IPv6-compliant host, as well as an IPv4 host (also
known as dual stack). This enables device operation in a pure IPv6 network as
well as in a combined IPv4/IPv6 network.
For more information, see "IP Addressing" on page 209.
Stack Support
The system supports up to eight units with two fixed HDMI stacking ports.
The HDMI ports are 1.3a specification, Category 2 High Speed cables, 340
MHz (10.2 Gbit/s).
it is recommended to use HDMI cable version 1.4
The stacking feature supports the following features:
• Fast-link failover
• Software auto-synch.
• Improved response time to events, such as master failover
• Auto-numbering algorithm when choosing unit number
For more information, see "Stacking Overview" on page 45
Power over Ethernet
Power over Ethernet (PoE) provides power to devices over existing LAN
cabling, without updating or modifying the network infrastructure. When
PoE is used, the network devices do not have to be placed next to a power
source. PoE can be used in the following applications:
• IP Phones
• Wireless Access PointsDell PowerConnect 55xx Systems User Guide 17
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• IP Gateways
• PDAs
• Audio and video remote monitoring
For more information, see "Power over Ethernet" on page 162.
Green Ethernet
Green Ethernet, also known as Energy Efficient Ethernet (EEE), is an effort
to make networking equipment environmentally friendly, by reducing the
power usage of Ethernet connections.
The Short-Reach method, which reduces power over Ethernet cables shorter
than 40m, is supported by the device.
For more information, see "Green Ethernet Configuration" on page 390.
Head of Line Blocking Prevention
Head of Line (HOL) blocking results in traffic delays and frame loss caused
by traffic competing for the same egress port resources. To prevent HOL
blocking, the device queues packets, and packets at the head of the queue are
forwarded before packets at the end of the queue.
Flow Control Support (IEEE 802.3X)
Flow control enables lower-speed devices to communicate with higher-speed
devices, by requesting that the higher-speed device refrain from sending
packets. Transmissions are temporarily halted to prevent buffer overflows.
For more information, see "Flow Control" on page 386.
Back Pressure Support
On half-duplex links, the receiving port prevents buffer overflows by
occupying the link so that it is unavailable for additional traffic.
For more information, see "Protected Ports" on page 394.18 Dell PowerConnect 55xx Systems User Guide
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Virtual Cable Testing (VCT)
VCTdetects and reports copper link cabling faults, such as open cables and
cable shorts.
For more information, see "Diagnostics" on page 255.
Auto-Negotiation
Auto-negotiation enables the device to advertise modes of operation. The
auto-negotiation function enables an exchange of information between two
devices that share a point-to-point link segment, and automatically
configures both devices to take maximum advantage of their transmission
capabilities.
The PowerConnect 5500 series enhances auto-negotiation by providing port
advertisement. Port advertisement enables the system administrator to
configure the port speeds that are advertised.
For more information, see "Port Configuration" on page 403 or "LAG
Configuration" on page 409.
MDI/MDIX Support
Standard wiring for end stations is known as Media-Dependent Interface
(MDI), and standard wiring for hubs and switches is known as MediaDependent Interface with Crossover (MDIX).
If auto-negotiation is enabled, the device automatically detects whether the
cable connected to an RJ-45 port is MDIX (crossed) or MDI (straight). This
enables both types to be used interchangeably.
If auto-negotiation is not enabled, only MDI (straight) cables can be used.
For more information, see "Port Configuration" on page 403 or "LAG
Configuration" on page 409.
MAC Address Supported Features
MAC Address Capacity Support
The device supports up to 16K MAC addresses and it reserves specific MAC
addresses for system use.Dell PowerConnect 55xx Systems User Guide 19
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Static MAC Entries
MAC entries can be manually entered in the Bridging Table, as an alternative
to learning them from incoming frames. These user-defined entries are not
subject to aging, and are preserved across resets and reboots.
For more information, see "Static Addresses" on page 424.
Self-Learning MAC Addresses
The device enables controlled MAC address learning from incoming packets.
The MAC addresses are stored in the Bridging Table.
For more information, see "Dynamic Addresses" on page 427.
Automatic Aging for MAC Addresses
MAC addresses from which no traffic is received for a given period, are aged
out. This prevents the Bridging Table from overflowing.
For more information, see "Dynamic Addresses" on page 427.
VLAN-Aware MAC-Based Switching
The device always performs VLAN-aware bridging. Classic bridging
(IEEE802.1D), in which frames are forwarded based only on their destination
MAC address, is not performed. However, a similar functionality can be
configured for untagged frames. Frames addressed to a destination MAC
address that is not associated with any port are flooded to all ports of the
relevant VLAN.
MAC Multicast Support
Multicast service is a limited Broadcast service that enables one-to-many and
many-to-many connections for information distribution. In Layer 2 Multicast
service, a single frame is addressed to a specific Multicast address, from which
copies of the frame are transmitted to the relevant ports. When Multicast
groups are statically enabled, you can set the destination port of registered
groups, as well as define the behavior of unregistered Multicast frames.
For more information, see "Multicast" on page 516.20 Dell PowerConnect 55xx Systems User Guide
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Layer 2 Features
IGMP Snooping
Internet Group Membership Protocol (IGMP) Snooping examines IGMP
frame contents, when they are forwarded by the device from work stations to
an upstream Multicast router. From the frame, the device identifies work
stations configured for Multicast sessions, and which Multicast routers are
sending Multicast frames. The IGMP Querier simulates the behavior of a
Multicast router. This enables snooping of the Layer 2 Multicast domain even
if there is no Multicast router.
For more information, see "IGMP Snooping" on page 527.
Port Mirroring
Port mirroring monitors network traffic by forwarding copies of incoming and
outgoing packets from a monitored port to a monitoring port. Users specify
which target port receives copies of all traffic passing through a specified
source port.
For more information, see "Port Mirroring" on page 417.
Broadcast Storm Control
Storm Control enables limiting the number of Multicast and Broadcast
frames accepted by and forwarded by the device.
When Layer 2 frames are forwarded, Broadcast and Multicast frames are
flooded to all ports on the relevant VLAN. This occupies bandwidth, and
loads all nodes connected on all ports.
For more information, see "Storm Control" on page 414.Dell PowerConnect 55xx Systems User Guide 21
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VLAN Supported Features
VLAN Support
VLANs are collections of switching ports that comprise a single Broadcast
domain. Packets are classified as belonging to a VLAN, based on either the
VLAN tag or on a combination of the ingress port and packet contents.
Packets sharing common attributes can be grouped in the same VLAN.
For more information, see "VLANs" on page 466.
Port-Based Virtual LANs (VLANs)
Port-based VLANs classify incoming packets to VLANs, based on their ingress
port.
For more information, see "Defining VLAN Membership Using CLI
Commands" on page 473.
Full 802.1Q VLAN Tagging Compliance
IEEE 802.1Q defines an architecture for virtual, bridged LANs, the services
provided in VLANs, and the protocols and algorithms involved in the
provision of these services.
For more information, see "Virtual LAN Overview" on page 467.
GVRP Support
GARP VLAN Registration Protocol(GVRP) provides IEEE 802.1Qcompliant VLAN pruning and dynamic VLAN creation. When GVRP is
enabled, the device registers and propagates VLAN membership on all ports
that are part of the active underlying Spanning Tree Protocol topology.
For more information, see "GVRP Parameters" on page 490.
Voice VLAN
Voice VLAN enables network administrators to enhance VoIP service by
configuring ports to carry IP voice traffic from IP phones on a specific VLAN.
VoIP traffic has a preconfigured OUI prefix in the source MAC address.
Network administrators can configure VLANs from which voice IP traffic is 22 Dell PowerConnect 55xx Systems User Guide
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forwarded. Non-VoIP traffic is dropped from the Voice VLAN in Auto-Voice
VLAN Secure mode. Voice VLAN also provides QoS to VoIP, ensuring that the
quality of voice does not deteriorate if the IP traffic is received unevenly.
For more information, see "Voice VLAN" on page 498.
Guest VLAN
Guest VLAN provides limited network access to unauthorized ports. If a port
is denied network access via port-based authorization, but the Guest VLAN is
enabled, the port receives limited network access through the Guest VLAN.
For more information, see "Dot1x Authentication" on page 132.
Private VLAN
The Private VLAN feature provides Layer 2 isolation between ports that share
the same Broadcast domain, or in other words, it creates a point-tomultipoint Broadcast domain. The ports can be located anywhere in the
Layer 2 network (compared to the Protected Ports feature, where the ports
must be in the same stack).
For more information, see "Private VLAN" on page 494.
Multicast TV VLAN
The Multicast TV VLAN feature provides the ability to supply multicast
transmissions to Layer 2-isolated subscribers, without replicating the
multicast transmissions for each subscriber VLAN. The subscribers are the
only receivers of the multicast transmissions.
For more information, see "Multicast TV VLAN" on page 535.
Spanning Tree Protocol Features
Spanning Tree Protocol (STP)
802.1d Spanning tree is a standard Layer 2 switch requirement that enables
bridges to automatically prevent and resolve Layer 2 forwarding loops.
Switches exchange configuration messages using specifically-formatted
frames, and selectively enable and disable forwarding on ports.
For more information, see "Spanning Tree" on page 434. Dell PowerConnect 55xx Systems User Guide 23
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Fast Link
STP can take 30–60 seconds to converge. During this time, STP detects
possible loops, enabling time for status changes to propagate and for relevant
devices to respond. This period of 30-60 seconds is considered too long a
response time for many applications. The Fast Link option bypasses this
delay, and can be used in network topologies, where forwarding loops do not
occur.
For more information on enabling Fast Link for ports and LAGs, see "STP
Port Settings" on page 442 or "Static Addresses" on page 424.
IEEE 802.1w Rapid Spanning Tree
Spanning Tree takes 30–60 seconds for each host to decide whether its ports
are actively forwarding traffic. Rapid Spanning Tree (RSTP) detects uses of
network topologies to enable faster convergence, without creating forwarding
loops.
For more information, see "Spanning Tree" on page 434.
IEEE 802.1s Multiple Spanning Tree
Multiple Spanning Tree (MSTP) operation maps VLANs into STP instances.
MSTP provides a different load balancing scenario. Packets assigned to various
VLANs are transmitted along different paths within MSTP Regions (MST
Regions). Regions are one or more MSTP bridges by which frames can be
transmitted. The standard lets administrators assign VLAN traffic to
unique paths.
For more information, see "Spanning Tree" on page 434.
STP BPDU Guard
BPDU Guard is used as a security mechanism, to protect the network from
invalid configurations.
BPDU Guard is usually used either when fast link ports (ports connected to
clients) are enabled or when the STP feature is disabled. When it is enabled
on a port, the port is shut down if a BPDU message is received and an
appropriate SNMP trap is generated.
For more information, see "Spanning Tree" on page 434.24 Dell PowerConnect 55xx Systems User Guide
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Link Aggregation
Up to 32 Aggregated Links may be defined, each with up to eight member
ports, to form a single Link Aggregated Group (LAG). This enables:
• Fault tolerance protection from physical link disruption
• Higher bandwidth connections
• Improved bandwidth granularity
• High bandwidth server connectivity
A LAG is composed of ports with the same speed, set to full-duplex
operation.
For more information, see "LAG Configuration" on page 409.
Link Aggregation and LACP
LACP uses peer exchanges across links to determine, on an ongoing basis, the
aggregation capability of various links, and continuously provides the
maximum level of aggregation capability achievable between a given pair of
devices. LACP automatically determines, configures, binds, and monitors the
port binding within the system.
For more information, see "Link Aggregation" on page 508.
BootP and DHCP Clients
DHCP enables additional setup parameters to be received from a network
server upon system startup. DHCP service is an on-going process. DHCP is an
extension of BootP.
For more information, see "DHCP IPv4 Interface" on page 214.
Quality of Service Features
Class of Service 802.1p Support
The IEEE 802.1p signaling technique is an OSI Layer 2 standard for marking
and prioritizing network traffic at the data link/MAC sub-layer. 802.1p traffic
is classified and sent to the destination. No bandwidth reservations or limits Dell PowerConnect 55xx Systems User Guide 25
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are established or enforced. 802.1p is a spin-off of the 802.1Q (VLANs)
standard. 802.1p establishes eight levels of priority, similar to the IP
Precedence IP Header bit-field.
Advanced QoS
Frames that match an ACL and were permitted entrance are implicitly
labeled with the name of the ACL that permitted their entrance. Advanced
mode QoS actions defined in network policies can then be applied to these
flows.
The switch can set DSCP values and map IPv6 DSCP to egress queues in the
same way it does for IPv4. The switch detects IPv6 frames by the IPv6 ethertype.
For more information about Advanced QoS, see "QoS Advanced Mode" on
page 678.
TCP Congestion Avoidance
The TCP Congestion Avoidance feature activates an algorithm that breaks up
or prevents TCP global synchronization on a congested node, where the
congestion is due to multiple sources sending packets with the same byte
count.
For more information, see "The following is an example of the CLI
commands:" on page 666.
Device Management Features
SNMP Alarms and Trap Logs
The system logs events with severity codes and timestamps. Events are sent as
SNMP traps to a Trap Recipient List.
For more information, see "SNMP" on page 314.26 Dell PowerConnect 55xx Systems User Guide
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SNMP Versions 1, 2, and 3
Simple Network Management Protocol (SNMP) over the UDP/IP protocol
controls access to the system. A list of community entries is defined, each
consisting of a community string and its access privileges. There are three
levels of SNMP security: read-only, read-write, and super. Only a super user
can access the Community table.
For more information, see "SNMP" on page 314.
Web-Based Management
Web-based management enables managing the system from any web browser.
The system contains an Embedded Web Server (EWS) that serves HTML
pages, through which the system can be monitored and configured. The
system internally converts web-based input into configuration commands,
MIB variable settings, and other management-related settings.
Management IP Address Conflict Notification
This feature validates the uniqueness of the switch's IP address, whether it is
assigned manually or through DHCP. If the IP address is not unique, the
switch performs actions according to the address type. If the IP address is
static, see more information about this in "IPv4 Interface Parameters" on
page 210. If the IP address is dynamic, see more information about this
in"DHCP IPv4 Interface" on page 214.
Flow Monitoring (sflow)
The switch supports statistics collection, using a sampling technology called
sFlow that is based on RFC 3176. The sFlow sampling technology is
embedded within the switch, and provides the ability to continuously
monitor traffic flows on some or all the interfaces simultaneously.
For more information, see "sFlow" on page 375.
Configuration File Download and Upload
The device configuration is stored in a configuration file. The configuration
file includes both system-wide and port-specific device configuration. The
system can display configuration files as a collection of CLI commands that
are stored and manipulated as text files.Dell PowerConnect 55xx Systems User Guide 27
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Auto-Update of Configuration/Image File
This feature facilitates installation of new devices. When you enable the
various auto-update options, the device automatically downloads a new
image or configuration file when it receives its IP address from a TFTP server,
and automatically reboots, using the image or configuration file it received.
For more information, see "Auto-Update/Configuration Feature" on page 338.
TFTP Trivial File Transfer Protocol
The device supports boot image, software, and configuration
upload/download via TFTP.
USB File Transfer Protocol
The device supports boot image, software, and configuration
upload/download via USB.
Remote Monitoring
Remote Monitoring (RMON) is an extension to SNMP that provides
comprehensive network traffic monitoring capabilities. RMON is a standard
MIB that defines MAC-layer statistics and control objects, enabling real-time
information to be captured across the entire network.
For more information, see "Statistics/RMON" on page 606.
Command Line Interface
Command Line Interface (CLI) syntax and semantics conform as much as
possible to common, industry standards. CLI is composed of mandatory and
optional elements. The CLI interpreter provides command and keyword
completion to assist users and save typing.
Syslog
Syslog is a protocol that enables event notifications to be sent to a set of
remote servers, where they can be stored, examined, and acted upon. The
system sends notifications of significant events in real time, and keeps a
record of these events for after-the-fact usage.
For more information on Syslog, see "Logs" on page 195.28 Dell PowerConnect 55xx Systems User Guide
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SNTP
The Simple Network Time Protocol (SNTP) assures accurate network
Ethernet Switch clock time synchronization up to the millisecond. Time
synchronization is performed by a network SNTP server. Time sources are
prioritized by strata. Strata define the distance from the reference clock. The
higher the stratum (where zero is the highest), the more accurate the clock.
For more information, see "Time Synchronization" on page 169.
Domain Name System
Domain Name System (DNS) converts user-defined domain names into IP
addresses. Each time a domain name is assigned, the DNS service translates
the name into a numeric IP address. For example, www.ipexample.com is
translated into 192.87.56.2. DNS servers maintain domain name databases
containing their corresponding IP addresses.
For more information, see "Domain Name System" on page 242.
802.1ab (LLDP-MED)
The Link Layer Discovery Protocol (LLDP) enables network managers to
troubleshoot, and enhances network management by discovering and
maintaining network topologies over multi-vendor environments. LLDP
discovers network neighbors by standardizing methods for network devices to
advertise themselves to other systems, and to store discovered information.
The multiple advertisement sets are sent in the packet Type Length Value
(TLV) field. LLDP devices must support chassis and port ID advertisement,
as well as system name, system ID, system description, and system capability
advertisements.
LLDP Media Endpoint Discovery (LLDP-MED) increases network flexibility
by enabling various IP systems to co-exist on a single network LLDP. It
provides detailed network topology information, emergency call service via IP
phone location information, and troubleshooting information.
For more information, see "LLDP" on page 540.Dell PowerConnect 55xx Systems User Guide 29
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Security Features
SSL
Secure Socket Layer (SSL) is an application-level protocol that enables secure
transactions of data through privacy, authentication, and data integrity. It
relies upon certificates and public and private keys.
Port-Based Authentication (Dot1x)
Port-based authentication enables authenticating system users on a per-port
basis via an external server. Only authenticated and approved system users
can transmit and receive data. Ports are authenticated via the Remote
Authentication Dial-In User Service (RADIUS) server using the Extensible
Authentication Protocol (EAP). Dynamic VLAN Assignment (DVA) enables
network administrators to automatically assign users to VLANs during the
RADIUS server authentication.
For more information, see "Dot1x Authentication" on page 132.
Locked Port Support
Locked Port increases network security by limiting access on a specific port to
users with specific MAC addresses. These addresses are either manually
defined or learned on that port. When a frame is seen on a locked port, and
the frame source MAC address is not tied to that port, the protection
mechanism is invoked.
For more information, see "Port Security" on page 98.
RADIUS Client
RADIUS is a client/server-based protocol. A RADIUS server maintains a user
database that contains per-user authentication information, such as user
name, password, and accounting information.
RADIUS Accounting
This feature enables recording device management sessions (Telnet, serial,
and WEB but not SNMP) and/or 802.1x authentication sessions.30 Dell PowerConnect 55xx Systems User Guide
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Due to the complexity of 802.1x setup and configuration, many mistakes can
be made that might cause loss of connectivity or incorrect behavior. The
802.1x Monitor mode enables applying 802.1x functionality to the switch,
with all necessary RADIUS and/or domain servers active, without actually
taking any action that may cause unexpected behavior. In this way, the user
can test the 802.1x setup before actually applying it.
For more information, see "RADIUS" on page 291.
SSH
Secure Shell (SSH) is a protocol that provides a secure, remote connection to
a device. SSH version 2 is currently supported. The SSH server feature
enables an SSH client to establish a secure, encrypted connection with a
device. This connection provides functionality that is similar to an inbound
telnet connection. SSH uses RSA and DSA Public Key cryptography for
device connections and authentication.
For more information, see "Security Management and Password
Configuration" on page 75.
TACACS+
TACACS+ provides centralized security for validation of users accessing the
device. TACACS+ provides a centralized, user management system, while
still retaining consistency with RADIUS and other authentication processes.
For more information, see "TACACS+" on page 282.
Password Management
Password management provides increased network security and improved
password control. Passwords for SSH, Telnet, HTTP, HTTPS, and SNMP
access are assigned security features.
For more information, see "Password Management" on page 286.
The switch provides the ability to demand strong passwords, meaning that
they must contain both upper and lower-case letters, numbers, and
punctuation marks.
For more information, see "Password Management" on page 286.Dell PowerConnect 55xx Systems User Guide 31
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Access Control Lists (ACL)
Access Control Lists (ACL) enable network managers to define classification
actions and rules for specific ingress ports. Packets entering an ingress port
with an active ACL, are either admitted or denied entry and the ingress port is
disabled. If they are denied entry, the user can disable the port.
Dynamic ACL/Dynamic Policy Assignment (DACL/DPA)
The network administrator can specify the user's ACL in the RADIUS server.
After successful authentication, the user is assigned that ACL.
For more information, see "Network Security" on page 97.
DHCP Snooping
DHCP Snooping expands network security by providing firewall security
between untrusted interfaces and DHCP servers. By enabling DHCP
Snooping, network administrators can differentiate between trusted
interfaces connected to end-users or DHCP servers and untrusted interfaces
located beyond the network firewall.
For more information, see "DHCP Snooping" on page 573.
ARP Inspection
Dynamic ARP inspection is a security feature that validates ARP packets in a
network. It intercepts, logs, and discards ARP packets with invalid IP-to-MAC
address bindings. This capability protects the network from certain man-inthe-middle attacks.
Port Profile (CLI Macro)
Macros provide a convenient way to save and share a common configuration.
A macro is a set of CLI commands with a unique name. When a macro is
applied to a port, the CLI commands contained within it are executed and
added to the Running Configuration file.
For more information, see "Dynamic ARP Inspection" on page 560.32 Dell PowerConnect 55xx Systems User Guide
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DHCP Server
Dynamic Host Configuration Protocol (DHCP) provides a means of passing
configuration information (including the IP address of a TFTP server and a
configuration file name) to hosts on a TCP/IP network. The switch can serve
as a DHCP server or client.
For more information on the device serving as a DHCP server, see "DHCP
Server" on page 297.
For more information on the device serving as a DHCP client, see "DHCP
IPv4 Interface" on page 214.
Protected Ports
The Protected Ports feature provides Layer 2 isolation between interfaces
(Ethernet ports and LAGs) that share the same Broadcast domain (VLAN)
with other interfaces.
For more information, see "Protected Ports" on page 394.
iSCSI Optimization
iSCSI optimization provides the iSCSI flows with specific priority over other
network traffic. In addition, the feature provides monitoring of iSCSI
sessions.
For more information, see "iSCSI Optimization" on page 594.
Proprietary Protocol Filtering
This feature enables user control over the filtering of packets with proprietary
protocols such as CDP, VTP, DTP, UDLD, PaGP, and SSTP. The user can
select any combination of the protocols to be filtered, for example: CDP and
VTP and UDLD.
For more information, see "Network Security" on page 97.
DHCP Relay and Option 82
A DHCP relay agent detects DHCP Broadcasts from DHCP clients and relays
them to DHCP servers that may reside on different subnets.Dell PowerConnect 55xx Systems User Guide 33
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The relay agent information option (Option 82) in the DHCP protocol
enables a DHCP relay agent to send additional client information, upon
requesting an IP address.
Option 82 specifies the relaying switch's MAC address, the port identifier, and
the VLAN that forwarded the packet.
For more information, see "DHCP Relay" on page 586.
Identifying a Switch via LED
The switch provides the ability to turn on a LED (through the GUI interface)
on a specific unit or on all units in a stack for a specific length of time.
For more information, see Unit Identification (Location).34 Dell PowerConnect 55xx Systems User Guide
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3
Hardware Description
This section describes PowerConnect 5500 hardware.
It contains the following topics:
• Device Models
• Device Structure
• LED Definitions
• Power Supplies36 Dell PowerConnect 55xx Systems User Guide
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Device Models
The PowerConnect 5500 switches combine versatility with minimal
management requirements. This series includes the following device types:
• PowerConnect 5524 — Provides 24 10/100/1000Mbps Base-T ports
• PowerConnect 5524P (with PoE) — Provides 24 10/100/1000Mbps Base-T
ports, along with Power-over-Ethernet (PoE) support
• PowerConnect 5548 — Provides 48 10/100/1000Mbps Base-T ports
• PowerConnect 5548P (with PoE) — Provides 24 10/100/1000Mbps Base-T
ports, along with Power-over-Ethernet (PoE) support
Each of these devices provides, in addition to the above ports, two HDMI
ports, two SPF+ ports, an RS-232 console port, and a USB port, as shown in
Figure 3-1.
NOTE: 10/100/1000Mbps Baset-T ports are also known as Gigabit ports or G ports.
Device Structure
This section describes the structure of the devices.
It contains the following topics:
• Front Panel
• Buttons and LEDs
• Back Panel
• Ventilation System
• System LEDs
• Port LEDsDell PowerConnect 55xx Systems User Guide 37
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Front Panel
Figure 3-1 shows the front panel of the PowerConnect 5548 device with its
various ports labelled. The PowerConnect 5524 device from the
PowerConnect 5548 device in that there are 24 G ports and not 48.
Figure 3-2 shows the buttons/LEDs on the right side in greater detail.
Figure 3-1. PowerConnect 5548 Ports
The following ports are found on the devices.
• 24/48 G Ports
• Two XG Ports (also known as Small Form Factor Plugable (SFP)+ Ports)
These are 10 Gigabit ports, designated as 1000Base-X-SFP+. The SFP+
ports are fiber transceivers designated as 10000 Base-SX or LX. They
include TWSI (Two-Wire Serial Interface) and internal EPROM.
• RS-232 Console Port
This port is used for a terminal connection for debugging and software
downloads. The default baud rate is 9,600 bps. The baud rate can be
configured from 2400 bps up to 115,200 bps.
• Two HDMI Ports
The HDMI ports are 1.3a specification, category 2 high-speed cables, 340
MHz (10.2 Gbit/s). They are used for stacking purposes.
Console
SPF+ Ports
USB Port
HDMI Ports
Giga Ports (even numbered)
Port
Giga Ports (odd numbered)38 Dell PowerConnect 55xx Systems User Guide
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NOTE: it is recommended to use HDMI cable version 1.4
• Single USB Port
This port is used for firmware upgrade from a USB device.
Buttons and LEDs
LEDs on Front Panel
Figure 3-2 shows the extreme, right-hand part of the front panel, which
contains buttons and LEDs, in addition to ports.
Figure 3-2. Button/LED Panel
These LEDs are described in Table 3-1 and Table 3-2.
Reset Button
The PowerConnect 5500 switches have a reset button, located on the front
panel that is used for manual reset (reboot) of the device.
The single reset circuit of the switch is activated by power-up or low-voltage
conditions.
Power Status
Fan
RPS
Reset
Stacking Unit ID
Master Port LEDs
Console PortDell PowerConnect 55xx Systems User Guide 39
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The Reset button does not extend beyond the unit’s front, and it must be
activated with a pin.
Back Panel
The back panel of the non-PoE models, shown in Figure 3-3, contains a
Redundant Power Supply (RPS) connector, Location LED, and power
connector.
The back panel of the PoE models, shown in Figure 3-4, contains a Modular
Power Supply (MPS) connector, Location LED, power connector, and two fan
outlets.
Figure 3-3. PowerConnect 5524/48 Back Panel
Figure 3-4. PowerConnect 5524/48/P Back Panel
The elements on the back panel are used as follows:
• Locator LED — This LED is lit when the Unit Identification feature is
selected. See "Unit Identification (Location)" on page 373 for more
information about this feature.
• RPS/MPS — Connector for auxiliary power supply. See "Power Supplies"
on page 44 for more information.
RPS
A/C Power Supply
Locator
Locator MPS Fan Fan A/C Power Supply40 Dell PowerConnect 55xx Systems User Guide
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• A/C Power Supply — Connector for AC power supply. See "Power
Supplies" on page 44 for more information.
• Fans — Fan outlets. See "Ventilation System" on page 40 for more
information.
Ventilation System
The PowerConnect 5500/P switches have two built-in fans. Operation can be
verified by observing the LED that indicates if one or more fans are faulty
(see Table 3-1).
The fan outlets are shown in Figure 3-4.
LED Definitions
The front panel contains light emitting diodes(LEDs) that indicate the
status of links, power supplies, fans, and system diagnostics.
These are described below.
System LEDs
The system LEDs of the PowerConnect 5500 devices provide information
about the power supplies, fans, thermal conditions, and diagnostics.
Figure 3-2 shows the location of the system LEDS on the device.
Table 3-1 describes the meaning of the colors of the system LEDs.
Table 3-1. System LED Indicators
LED Color Description
Power Supply
(PWR)
Green Static The switch is turned on.
Green Flashing The Locator function is enabled.
Off The switch is turned off.
Status Green Static The switch is operating normally.
Green Flashing The switch is booting.
Red Static A critical system error has occurred.
Red Flashing A non-critical system error has occurred.Dell PowerConnect 55xx Systems User Guide 41
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Stacking No. Indicates the unit ID of the device in the
stack.
Modular/Redundan
cy Power Supply
(MPS/RPS)
Green Static The MPS/RPS is currently operating.
Red Static The MPS/RPS failed.
Off The MPS/RPS is not plugged in.
Locator Green Flashing Locator function is enabled.
Green Static Locator function is disabled.
Master Green Static The device is a master unit.
Off The device is not a master unit.
Fan (FAN) Green Static All device fans are operating normally.
Red Static One or more of the device fans are not
operating.
Table 3-1. System LED Indicators (Continued)
LED Color Description 42 Dell PowerConnect 55xx Systems User Guide
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Port LEDs
Gigabit Ports
Each Giga port has two LEDs associated with it. The speed/link (LNK) LED
is located on the left side of the port, while the activity/PoE LED is located on
the right side of the port. The activity/PoE LED is labelled ACT in non-PoE
devices, and is labelled PoE in PoE-enabled devices, as shown in Figure 3-5.
Figure 3-5. Giga Port LEDs
Table 3-2 describes the LED indications for the Gigabit ports:
Table 3-2. Giga Port s on non-PoE-enabled Devices LEDs
LED Color Description
LNK Green Flashing Link is up and the port is either transmitting
or receiving at 1000 Mbs.
Yellow Flashing Link is up and the port is either transmitting
or receiving data at 100 Mbps.
Solid green
Solid amber
Link is up high speed.
Link is up at lower speeds.
OFF The port is currently not operating.
ACT Green Flashing There is activity on the port.
Off There is no activity on the port.
LNK ACT/PoE
LNK ACT/PoEDell PowerConnect 55xx Systems User Guide 43
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Table 3-3 describes the LED indications for Gigabit ports on PoE-enabled
devices.
HDMI Port LEDs
The HDMI ports have a Speed/link (LNK) LED on their left side and an
activity (ACT) LED on their right side.
Table 3-4 describes the HDMP port LEDs:
Table 3-3. Giga Port s on PoE-enabled Devices LEDs
LED Color Description
LNK Flashing green Link is up and the port is either transmitting or
receiving at 1000 Mbs.
Flashing amber Link is up and the port is either transmitting or
receiving data at 100 Mbps.
Solid green
Solid amber
Link is up high speed.
Link is up at lower speeds.
Off Port is currently not operating.
PoE Flashing green There is activity on the port and the PoE is off.
Flashing amber There is activity on the port and the PoE is on.
Amber solid There is no activity on the port and the PoE power is
on.
Off There is no activity on the port and the PoE is off.
Table 3-4. HDMI (Stacking) Port LEDs
LED Color Description
Speed/Link Solid green Port is linked to device.
Off Port is currently not operating.
ACT Flashing green Port is either transmitting or receiving.
Off Port is not transmitting or receiving.44 Dell PowerConnect 55xx Systems User Guide
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SFP LEDs
The SFP+ ports each have two LEDs, marked as LNK and ACT, associated
with them. Figure 3-5 describes these LEDs.
Stack ID LED
The front panel of the device contains a Stack ID panel used to display the
Unit ID for the Stack Master and members, as shown in Figure 3-2.
Power Supplies
The device has an internal power supply unit (AC unit) and a connector to
connect PowerConnect 5500/P devices to a PowerConnect EPS-470 unit, or
to a PowerConnect MPS-600 unit.
The PowerConnect 5500/P devices have the following internal power
supplies:
• 24 Port non-PoE devices — 54 Watt.
• 48 Port non-PoE devices — 100 Watt.
• 24/48 Port PoE devices — 600 Watt.
Operation with both power supply units is regulated through load sharing.
Power supply LEDs indicate the status of the power supply.
The AC power supply unit operates from 90 to 264 VAC, 47 to 63 Hz. The AC
power supply unit uses a standard connector. A LED, shown in Figure 3-3,
indicates whether the AC unit is connected.
When the device is connected to a supplementary power source, the
probability of failure in the event of a power outage decreases.
Table 3-5. SFP Port LEDs
LED Color Description
LNK Solid green Link is at highest speed.
Solid amber Link is at lowest speed.
Off Port is currently not linked.
ACT Flashing green Port is either transmitting or receiving.Template Last Updated - 2/7/2007Dell PowerConnect 55xx Systems User Guide 45
DELL CONFIDENTIAL – PRELIMINARY 3/11/13 - FOR PROOF ONLY
4
Stacking Overview
This section describes how the Stacking feature of the PowerConnect 5500
series functions.
It contains the following topics:
• Stack Overview
• Stack Members and Unit IDs46 Dell PowerConnect 55xx Systems User Guide
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Stack Overview
The PowerConnect 5500 Stacking feature provides multiple switch
management through a single switch, so that all units in the stack are treated
as if they were a single switch. All stack members are accessed through the
management IP address, through which the stack is managed.
Each switch is a member in a stack, although the stack may consist of only a
single switch.
Up to eight units can be stacked.
This section covers the following topics:
• Stack Operation Modes
• Stacking Units
• Stack Topology
Stack Operation Modes
All stacks must have a Master unit, and may have a Master Backup unit. All
other units are connected to the stack as members (slaves).
A unit in the stack can be in one of the following modes:
• Stack Master — Runs the fully operational software of a switch. In
addition, it runs configures and manages all other units in the stack. All
protocols run in the context of the Master unit. It is responsible for
updating and synchronizing the Master Backup.
The Stack Master detects and reconfigures the ports with minimal
operational impact in the event of:
Unit failure
Inter-unit stacking link failure
Unit insertion
Unit removal
When the Master unit boots, or when inserting or removing a stack
member, the Master unit initiates a stacking discovering process. Dell PowerConnect 55xx Systems User Guide 47
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• Slave Unit — Runs a slave version of the software that enables the
applications running on the Master’s CPU to control and manage the
resources of the slave unit.
• Master Backup — Runs as a slave unit, as described above, and in
addition, continuously monitors the existence and operation of the stack
master. If the master unit fails, the master-backup unit assumes the Master
Backup role.
Stacking Units
PowerConnect 5500 series switches use two HDMI 10G ports for stacking.
To connect the units in the stack:
1 Insert one end of an HDMI cable into the left-hand HDMI port on the
unit at the top of the stack and the other end into the right-hand HDMI
port of the unit immediately below it (this is called crossover).
2 Repeat this process until all units are connected.
3 (Optional) Connect the left-hand HDMI port of the unit at the bottom of
the stack to the right-hand HDMI port of the unit at the top of the stack.
This step provides increased bandwidth and redundancy.48 Dell PowerConnect 55xx Systems User Guide
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The results of this process are shown in Figure .
Figure 4-1. Stacking Ring Topology
HDMI Ports
Front Panel
HDMI Ports
Front Panel
HDMI Ports
Front Panel
Front Panel
HDMI PortsDell PowerConnect 55xx Systems User Guide 49
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Stack Topology
The PowerConnect 5500 series systems operates in a ring or chain topology.
Ring Topology
In a ring topology all units in the stack are connected to each other, forming a
circle. Each unit in the stack accepts data and sends it to the unit to which it
is attached. The packet continues through the stack until it reaches its
destination. The system discovers the optimal path on which to send traffic.
Figure 4-1 shows units of a stack connected in a ring topology.
Stacking Failover Topology - Chain Topology
Difficulties occur when a unit in the ring becomes non-functional, or a link is
severed. In this case, the system automatically switches to a chain topology,
without any system downtime.
In chain topology, each unit in the stack is connected to neighboring unit
except for the last unit, which is not connected to any other unit.
In the chain topology, the stack continues to function as long as there is a
master- or backup-enabled unit in each segment of the stack.
When the ring topology is switched to chain topology, an SNMP message is
automatically generated, but no stack management action is required. The
unit that failed must be repaired to restore full stacking operation in the ring
topology.
After the stacking issues are resolved, the units can be reconnected without
interruption, and the ring topology is restored.
Stack Members and Unit IDs
This section describes how to configure the stack.
It contains the following topics:
• Adding a Unit to the Stack
• Assigning Unit IDs
• Selecting the Master and Master Backup Units
• Switching from the Master to the Master Backup
• Replacing Stacking Members50 Dell PowerConnect 55xx Systems User Guide
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• Loading Software onto Stack Members
• Rebooting the Stack
• Managing Configuration Files on the Stack
Adding a Unit to the Stack
The recommended procedure to add a unit to a stack is as follows:
1 Place the powered-off unit in its physical place in the stack, and insert the
stacking link in the unit (but do not connect it to the rest of the stack).
2 Power up the unit, and set the correct Unit ID, as described below.
3 Reboot the unit and connect it to the rest of the stack through the stack
link.
Assigning Unit IDs
Each unit in the stack has a unique ID that defines the unit’s position and
function in the stack, as shown in Figure 3-2.
The unit that is assigned Unit ID 1 is the Master unit, by default. The unit
that is assigned Unit ID 2 is the Master Backup unit.
When you power-up the stack, each unit is assigned a unique Unit ID. This is
displayed on the front panel of the unit, as shown in Figure 3-2.
The Unit ID of each unit can be either automatically assigned or manually
assigned, as described in step 1 to step 4 below.
To assign IDs to the units in the stack, do the following for each unit in the
stack:
1 Connect the unit to the terminal.Dell PowerConnect 55xx Systems User Guide 51
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2 Turn on the unit to begin auto boot and press Return or Esc to abort and
enter the Start Up menu.
3 Select Stack Menu to open the Stack Menu.
4 Select Set Unit Stack ID. Enter either a Unit ID for manual assignment or
0 to indicate that the unit ID will be assigned automatically.
NOTE: The entire stack should be connected, as shown in Figure 4-1, before
powering up the units.
Selecting the Master and Master Backup Units
A unit is master-enabled if it assigned Unit ID 1 and Unit 2. All other units in
the stack (slaves) have unit IDs of 3-8.
The stack master assignment is performed during the configuration boot
process. One master-enabled stack member is elected as Master, and the
other master-enabled stack member is selected as Master Backup, according
to the following decision process:
• A master is selected from the set of the two Master-enabled units. Priority
is given to the lowest unit ID, but also takes into account the amount of
time the unit is UP (Up Time) as follows:
Startup Menu
[1]Download Software
[2]Erase Flash File
[3]Password Recovery Procedure
[4]Set Terminal Baud-Rate
[5]Stack Menu
[6]Back
[1]Show Unit Stack ID
[2]Set Unit Stack ID
[3]Back52 Dell PowerConnect 55xx Systems User Guide
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– When a master-enabled unit is inserted to a running stack, (or when
Master and Backup master both start at the same time), they
exchange each other’s UP TIME (the time since they powered up). If
the time difference is smaller than 10 minutes, the unit with the
lowest unit ID is elected; otherwise, the unit with the longest UP time
is elected.
– If a Master-enabled unit (with ID 1 or 2) is inserted into an
operational stack, it will be elected as a backup master.
– If a Master unit and/or a backup Master unit is removed from the
stack and the user wishes to configure one of the slave units
(numbered 3-8) to be a Master backup, the user must reset the unit’s
ID. This can be done as follows:
• If there is a Master-enabled unit in the stack: Do -switch n
renumber 2 (through CLI or GUI). This makes the nth unit a
master-enabled unit.
• If there is no Master-enabled unit in the stack: Press the reset
button on the unit to be master-enabled, and assign it a unit ID=
1 using the boot menu.
• The user can force a master-enabled unit to be the master unit of the
stack, even if the master election process did not select it. This is done by
switching over to the backup unit.
NOTE: Two stacking member are considered the same age if they were
inserted within a ten minute interval, for example, if Unit 2 is inserted in the
first minute of a ten-minute cycle, and Unit 1 is inserted in fifth minute of the
same cycle, the units are considered to be the same age.
NOTE: If two stack members are discovered to have the same Unit ID, only
the older unit is included in the stack. The stack continues to function and a
message is sent notifying that a unit failed to join the stack.
The Stack Master and the Master Backup maintain a Warm Standby. The
Warm Standby ensures that the Master Backup takes over for the Stack
Master if a failover occurs, so that the stack continues to operate normally.
During the Warm Standby, the Master and the Master Backup are
synchronized with the static configuration. When the Stacking Master is
configured, it must synchronize the Master Backup. The dynamic Dell PowerConnect 55xx Systems User Guide 53
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configuration is not saved, for example, dynamically-learned MAC addresses
are not saved, but dynamic information is learned quickly and automatically
by network traffic.
Switching from the Master to the Master Backup
The Master Backup replaces the Stack Master if one or more of the following
events occur:
• The Stack Master fails or is removed from the stack.
• Links from the Stack Master to the stacking members fails.
• User performs soft switchover via the Web interface or the CLI.
Switching between the Stack Master and the Master Backup results in limited
service loss. Dynamic tables are relearned if a failure occurs. The Running
Configuration file is synchronized between Stack Master and the Master
Backup, and continues running on the Master Backup.
Replacing Stacking Members
If a unit is removed from the stack, and replaced with a unit with the same
unit ID, the stack member is configured with the original unit configuration.
Otherwise, if the new unit has either more or fewer ports than the previous
unit, the results depend on the device type of the new and original units, as
defined in Table 4-1:
Table 4-1. Port Configurations when Replacing Units
New Unit Original Unit New Port Configuration
5548P or 5548 5548P or 5548 Port configurations remain the same.
5524 or 5524P The first 24 Giga (GE) ports receive the
respective 5524/P 24 GE port
configurations. The 10 G port
configurations remain the same. 54 Dell PowerConnect 55xx Systems User Guide
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Loading Software onto Stack Members
Software can be downloaded to all units simultaneously, or to the master unit
alone. If software is only loaded to the master unit, when new software is
selected, and the Master is rebooted, the Master updates the software on the
remaining units.
In this way, all units in the stack run the same software version.
Rebooting the Stack
Whenever a reboot occurs, topology discovery is performed, and the Master
learns all units IDs in the stack.
Configuration files are changed only through explicit user configuration, and
are not automatically modified when units are added, removed or reassigned
unit IDs.
Each time the system reboots, the Startup Configuration file in the Master
unit is used to configure the stack.
Managing Configuration Files on the Stack
The Startup Configuration and Running Configuration file are stored on the
stack master.
Each port in the stack is referenced in the configuration files by its port type
and unit ID/0/port number, for example "gi1/0/24", which means Giga port 24
on unit 1 (the middle 0 is reserved for future use).
Configuration files are managed from the Stack Master, including:
• Saving to flash memory
5524P or 5524 5548P or 5548 The PowerConnect 5524/P 24 Gigabit
ports receives the first 24 Giga 5548/P port
configurations. The 10 Giga port
configurations remain the same. The
remaining ports receive the default port
configuration.
5524P or 5524 Port configurations remain the same.
Table 4-1. Port Configurations when Replacing Units (Continued)
New Unit Original Unit New Port ConfigurationDell PowerConnect 55xx Systems User Guide 55
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• Uploading configuration files to an external TFTP server/HTTP client
• Downloading configuration files from an external TFTP server/HTTP
client
• Download/upload through the USB port
NOTE: Stack configuration for all configured ports is saved, even if the stack
is reset and/or the ports are no longer present.56 Dell PowerConnect 55xx Systems User Guide
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5
Configuring the Switch
This section describes the configuration that must be performed after the
switch is installed and connected to power supplies. Additional advanced
functions are described in "Advanced Switch Configuration" on page 67.
NOTE: Before proceeding further, read the release notes for this product. You can
download the release notes from the Dell Support website at support.dell.com.
NOTE: We recommend that you obtain the most recent revision of the user
documentation from the Dell Support website at support.dell.com.
It contains the following topics:
• Configuration Work Flow
• Connecting the Switch to the Terminal
• Booting the Switch
• Configuring the Stack
• Configuration Using the Setup Wizard58 Dell PowerConnect 55xx Systems User Guide
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Configuration Work Flow
To configure the switches:
1 For each switch in the stack:
a Connect it to a terminal, as described in the "Connecting the Switch
to the Terminal" on page 59.
b Boot the switch, as described in the "Booting the Switch" on page 60.
c Assign a unit ID to the switch, as described in "Assigning Unit IDs" on
page 50.
2 Connect the units in the stack to each other, as described in "Configuring
the Stack" on page 61.
3 Connect the Master unit to the terminal, reboot the unit and the Setup
Wizard is run automatically, as described in "Configuration Using the
Setup Wizard" on page 61.
4 Respond to the Setup Wizard prompts.
5 Continue managing the switch, either through the console or Telnet, using
the CLI or the web GUI.Dell PowerConnect 55xx Systems User Guide 59
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Connecting the Switch to the Terminal
The switch is configured and monitored through a terminal desktop system
that runs terminal emulation software. The switch connects to the terminal
through the console port.
To connect the switch to a terminal:
1 Connect an RS-232 cable to a VT100-compatible terminal or the serial
connector of a desktop system running terminal emulation software.
2 Connect the RS-232 cable to the switch console port on the front panel of
the switch (see Figure 5-1) using an 8-pin RJ-45 male connector.
Figure 5-1. Front-Panel Console Port
3 Set the terminal emulation software as follows:
a Select the appropriate serial port to connect to the switch.
b Set the data rate to 9600 baud.
c Set the data format to 8 data bits, 1 stop bit, and no parity.
d Set Flow Control to none.
e Select VT100 for Emulation mode within your communication
software.
f Select Terminal keys for Function, Arrow, and Ctrl keys. Ensure that
the setting is for Terminal keys (not Windows keys).
NOTE: You can connect a console to the console port on any unit in the stack, but
stack management is performed only from the stack master (Unit ID 1 or 2).
Console Port60 Dell PowerConnect 55xx Systems User Guide
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Booting the Switch
After the local terminal is connected, turn on power. The switch then goes
through power-on self-test (POST). POST runs every time the switch is
started and checks hardware components, to determine if the switch is
operational before completely booting. If the system detects a critical
problem, the boot process stops. If POST passes successfully, a valid
executable image is loaded into RAM. POST messages are displayed on the
terminal and indicate test success or failure.
The boot process runs for approximately 40-45seconds.
When the boot process completes, the following LEDs are lit, as shown in
Figure 5-2:
• Power
• Status
• Fan (should be green)
• RPS (if it is being used)
Figure 5-2. Initial LEDs
Power Status
Fan
RPSDell PowerConnect 55xx Systems User Guide 61
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Configuring the Stack
The switch is always considered to be a stack of switches even if the stack only
contains a single switch. If there is more than one switch in the stack, each
switch must be configured individually. See "Assigning Unit IDs" on page 50
for instructions on how to configure the stack.
Configuration Using the Setup Wizard
The Setup Wizard guides you through the initial switch configuration to get
the system up and running as quickly as possible. Note that you can skip the
Setup Wizard and configure the switch manually through the CLI.
The Setup Wizard configures the following fields:
• SNMP Community String and SNMP Management System IP address
(optional)
• Username and password
• Management switch IP address
• IP subnet mask
• Default gateway IP address
NOTE: The Setup Wizard assumes the following:
• The PowerConnect switch was never configured before and is in the same
state as when you received it.
• The PowerConnect switch booted successfully.
• The console connection is established and the console prompt is displayed on
the screen of a VT100 terminal switch.
Connect the Master unit to a terminal. You can identify the Master unit by
the illuminated Master LED on the front panel of the switch (see Figure 3-2).
To configure the system using the Setup Wizard:
1 Obtain the following information from the network administrator:
• SNMP Community String and SNMP Management System IP
address (optional)
• Username and password62 Dell PowerConnect 55xx Systems User Guide
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• The IP address to be assigned to the VLAN 1 interface through which
the switch is to be managed (by default, every external and internal
port is a member of the VLAN 1)
• The IP subnet mask for the network
• The default gateway (next hop router) IP address for configuring the
default route
2 Boot the Master unit. The system automatically prompts you to use the
Setup Wizard.
The Setup Wizard displays the following information:
Welcome to Dell Easy Setup Wizard
The Setup Wizard guides you through the initial
switch configuration and gets you up and running
easily and quickly. You can skip the Setup Wizard
and enter CLI mode to manually configure the
switch. The system will prompt you with a default
answer; by pressing Enter, you accept the default
value.
You must respond to the next question to run the
Setup Wizard within 60 seconds, otherwise the
system will continue with normal operation using
the default system configuration.
Would you like to enter the Setup Wizard (you must
answer this question within 60 seconds)? (Y/N)
3 Enter [Y] to run the wizard. If you enter [N] or if you do not respond
within 60 seconds, the Setup Wizard automatically exits and the CLI
console prompt appears.
If you enter [Y] the wizard provides interactive guidance through the
initial switch configuration.
The following information is displayed:
You can exit the Setup Wizard at any time by
entering [ctrl+Z].
The system is not set up for SNMP management by
default. Dell PowerConnect 55xx Systems User Guide 63
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To manage the switch using SNMP (required for Dell
Network Manager) you can:
• Setup the initial SNMP version 2 account now.
• Return later and set up the SNMP version account.
For more information on setting up a SNMP version
2 account, see the user documentation.
Would you like to set up the SNMP management
interface now? [Y/N]
4 Enter [N] to skip to Step 7 or enter [Y] to continue the Setup Wizard. If
you enter [Y] the following information is displayed:
To set up the SNMP management account you must
specify the management system IP address and the
"community string" or password that the particular
management system uses to access the switch. The
wizard automatically assigns the highest access
level [Privilege Level 15] to this account.
You can use Dell Network Manager or other
management interfaces to change this setting later
and to add additional management system later. For
more information on adding management systems, see
the user documentation.
To add a management station:
Please enter the SNMP community string to be used:
5 Enter the SNMP community string. You can use the default name "public"
Please enter the IP address of the Management
System (A.B.C.D) or wildcard (0.0.0.0) to manage
from any Management Station:[0.0.0.0].
6 Enter the SNMP Management System IP.
7 Set up user account privilege level, as follows:
The following information is displayed:
Now we need to set up your initial privilege
(Level 15) user account. This account is used to
login to the CLI and Web interface. You may set up 64 Dell PowerConnect 55xx Systems User Guide
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other accounts and change privilege levels later.
For more information on setting up user accounts
and changing privilege levels, see the user
documentation.
To set up a user account:
Enter the user name:
Please enter the user password:
Please reenter the user password:
8 Enter the following:
• User name, for example "admin"
• Password and password confirmation.
9 Press Enter.
The following information is displayed:
Next, an IP address is setup. The IP address is
defined on the default VLAN (VLAN 1). This is the
IP address you use to access the Telnet, Web
interface, or SNMP interface for the switch.
To set up an IP address:
Please enter the IP address of the device
(A.B.C.D):
Please enter the IP subnet mask (A.B.C.D or nn):
10 Enter the management IP address and IP subnet mask, for example
192.168.2.100 as the IP address and 255.255.255.0 as the IP subnet mask.
11 Press Enter.
The following information is displayed:
Finally, set up the default gateway.
Please enter the IP address of the gateway from
which this network is reachable
(e.g. 192.168.2.1).Default gateway
(A.B.C.D):[0.0.0.0] Dell PowerConnect 55xx Systems User Guide 65
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12 Enter the default gateway.
13 Press Enter. The following is displayed (example):
This is the configuration information that has
been collected:
SNMP Interface = "Dell Network
Manager"@192.168.2.10
User Account setup = admin
Password = **********
Management IP address = 192.168.2.100
255.255.255.0
Default Gateway = 192.168.2.1
The following information is displayed:
If the information is correct, please select (Y)
to save the configuration and copy to the start-up
configuration file. If the information is
incorrect, select (N) to discard configuration and
restart the wizard: [Y/N]
14 Enter [N] to restart the wizard or enter [Y] to complete the Setup Wizard.
If you enter [Y] the following is displayed:
Configuring SNMP management interface.
Configuring user account.......
Configuring IP and subnet......
Thank you for using Dell Easy Setup Wizard. You
will now enter CLI mode.
The CLI prompt is displayed. You have finished the initial configuration.
After the initial configuration is complete, you can manage the switch from
the connected console port using the CLI or remotely through the
management interface, using Telnet or the Web GUI. See the Dell
PowerConnect 5500 Series User Guide found on the Documentation CD.66 Dell PowerConnect 55xx Systems User Guide
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6
Advanced Switch Configuration
This section describes how to perform various configuration operations
through the CLI.
It includes the following topics:
• Using the CLI
• Accessing the Device Through the CLI
• Retrieving an IP Address
• Security Management and Password Configuration
• Configuring Login Banners
• Startup Menu Procedures
• Software Download68 Dell PowerConnect 55xx Systems User Guide
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Using the CLI
This section provides some general information for using the CLI.
For a complete description of CLI commands, refer to the Dell
PowerConnect 55xx Systems CLI Reference Guide.
Command Mode Overview
The CLI is divided into command modes, each with a specific command set.
Entering a question mark at the terminal prompt displays a list of commands
available for that particular command mode.
In each mode, a specific command is used to navigate from one mode to
another.
These modes are described below.
User EXEC Mode
During CLI session initialization, the CLI is in User EXEC mode. Only a
limited subset of commands is available in User EXEC mode. This level is
reserved for tasks that do not change the terminal configuration and is used
to access configuration sub-systems.
After logging into the device, User EXEC command mode is enabled. The
user-level prompt consists of the host name followed by the angle bracket
(>). For example: console>
NOTE: The default host name is console unless it has been modified during
initial configuration.
The User EXEC commands enable connecting to remote devices, changing
terminal settings on a temporary basis, performing basic tests, and listing
system information.
To list the User EXEC commands, enter a question mark at the command
prompt.
To enter the next level, Privileged EXEC mode, a password is required (if
configured).
Privileged EXEC Mode
Privileged EXEC mode provides access to the device global configuration. Dell PowerConnect 55xx Systems User Guide 69
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Privileged access can be protected, to prevent unauthorized access and to
secure operating parameters. Passwords are displayed on the screen, and are
case-sensitive.
NOTE: The enable command is only necessary if you login with privilege level less
than 15.
To access and list the Privileged EXEC mode commands:
1 At the prompt type enable and press .
2 When a password prompt displays, enter the password and press
.
The Privileged EXEC mode prompt displays as the device host name
followed by #. For example: console#
To list the Privileged EXEC commands, type a question mark at the
command prompt.
To return from Privileged EXEC mode to User EXEC mode, type disable
and press .
The following example illustrates accessing privileged EXEC mode and then
returning to the User EXEC mode:
Use the exit command to return to a previous mode.
To configure the device, enter the next level, Global Configuration mode.
Global Configuration Mode
The Global Configuration mode manages device configuration on a global
level. Global Configuration commands apply to system features, rather than a
specific protocol or interface.
console> enable
Enter Password: ******
console#
console# disable
console>70 Dell PowerConnect 55xx Systems User Guide
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To access Global Configuration mode, at the Privileged EXEC Mode prompt,
type configure and press . The Global Configuration mode displays
as the device host name followed by (config) and the pound sign #.
To list the Global Configuration commands, enter a question mark at the
command prompt.
The following example illustrates how to access Global Configuration mode
and return back to the Privileged EXEC mode:
Interface Configuration Mode
The Interface Configuration mode configures the device at the physical
interface level (port, VLAN, or LAG). Interface commands that require
subcommands have another level, called the Subinterface Configuration
mode. A password is not required to access this level.
The following example, places the CLI in Interface Configuration mode on
port 1/0/1. The sntp command is then applied to that port.
To run a command in a mode, which does not contain it, use do before the
command, as in the following example:
console# configure
console(configure)#
console#
console# configure
console(config)# exit
console#
console# configure
console(config)# interface gi1/0/1
console(config-if)# sntp client enable
console# configure
console(config)# interface gi1/0/1
console(config-if)# sntp client enable
console(config-if)# do show sntp configurationDell PowerConnect 55xx Systems User Guide 71
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Accessing the Device Through the CLI
You can manage the device using CLI commands, over a direct connection to
the terminal console, or via a Telnet connection.
Direct Connection
Connect the device to the console and enter the CLI commands upon
receiving a prompt.
Telnet Connection
Telnet is a terminal emulation TCP/IP protocol. RS-232 terminals can be
virtually connected to the local device through a TCP/IP protocol network.
Telnet is an alternative to a local login terminal, where a remote login is
required.
The device supports up to four simultaneous Telnet sessions. All CLI
commands can be used over a Telnet session.
If access is via a Telnet connection, ensure that the device has an IP address
and that software has been downloaded to the device.
To start a Telnet session:
1 Select Start > Run.
The Run window opens.
2 Type cmd.
The cmd window opens.
3 In the cmd window, type Telnet .
The Telnet session begins.72 Dell PowerConnect 55xx Systems User Guide
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Retrieving an IP Address
Receiving an IP Address from a DHCP Server
When using the DHCP protocol to retrieve an IP address, the device acts as a
DHCP client. When the device is reset, the DHCP command is saved in the
configuration file, but the IP address is not.
To retrieve an IP address from a DHCP server, perform the following steps:
1 Select and connect any port to a DHCP server or to a subnet that has a
DHCP server on it.
2 Type the following commands to use the selected port for receiving the IP
address.
a Assigning dynamic IP Addresses on a port:
b Assigning a dynamic IP Addresses on a VLAN:
The interface receives the IP address automatically.
console# configure
console(config)# interface gi1/0/1
console(config-if)# ip address dhcp
console# configure
console(config)# interface vlan 1
console(config-if)# ip address dhcpDell PowerConnect 55xx Systems User Guide 73
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3 To verify the IP address, type show ip interface at the system prompt, as
shown in the following example.
When configuring/receiving IP addresses through DHCP and BOOTP (an
older version of DHCP), the configuration received from these servers
includes the IP address and may include the subnet mask and default
gateway.
NOTE: It is not necessary to delete the device configuration to retrieve an IP
address from the DHCP server.
NOTE: When copying configuration files, avoid using a configuration file that
contains an instruction to enable DHCP on an interface that connects to the same
DHCP server, or to one with an identical configuration. In this instance, the device
retrieves the new configuration file and boots from it. The device then enables
DHCP, as instructed in the new configuration file, and the DHCP instructs it to reload
the same file.
NOTE: If you configure a DHCP IP address, this address is dynamically retrieved,
and the ip address dhcp command is saved in the configuration file. In the event of
master failure, the backup will again attempt to retrieve a DHCP address. This could
result in one of the following:
• The same IP address may be assigned.
• A different IP address may be assigned, which could result in loss of
connectivity to the management station.
• The DHCP server may be down, which would result in IP address retrieval
failure, and possible loss of connectivity to the management station.
Receiving an IP Address From a BOOTP Server
The standard BOOTP protocol is supported and enables the device to
automatically download its IP host configuration from any standard BOOTP
server in the network. In this case, the device acts as a BOOTP client.
console# show ip interface
IP Address I/F Type Directed Precedence Status
Broadcast
----------------- --------- -------- -------- -------- -----
0.0.0.0/32 gi2/0/1 DHCP disable No Valid
10.5.234.232/24 vlan 1 Static disable No Valid74 Dell PowerConnect 55xx Systems User Guide
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To retrieve an IP address from a BOOTP server:
1 Select and connect any port to a BOOTP server or subnet containing such
a server.
2 At the system prompt, enter the delete startup configuration command to
delete the Startup Configuration from flash.
The device reboots with no configuration and in 60 seconds starts sending
BOOTP requests. The device receives the IP address automatically.
NOTE: When the device reboot begins, any input at the ASCII terminal or keyboard
automatically cancels the BOOTP process before completion and the device does
not receive an IP address from the BOOTP server.
The following example illustrates the process:
To display the IP address, enter the show ip interface command.
The device is now configured with an IP address.
console> enable
console# delete startup-config
Startup file was deleted
console# reload
You haven’t saved your changes. Are you sure you want to
continue (Y/N) [N]?
This command will reset the whole system and disconnect
your current session. Do you want to continue (Y/N) [N]?
************************************************
/* the device reboots */Dell PowerConnect 55xx Systems User Guide 75
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Security Management and Password
Configuration
System security is handled through the Authentication, Authorization, and
Accounting (AAA) mechanism that manages user access rights, privileges,
and management methods. AAA uses both local and remote user databases.
Data encryption is handled through the SSH mechanism.
Passwords can be configured for the following services:
• Terminal
• Telnet
• SSH
• HTTP
• HTTPS
NOTE: When creating a user name, the default priority is 1, which provides access
but not configuration rights. A priority of 15 must be set to enable access and
configuration rights to the device. Although user names can be assigned privilege
level 15 without a password, it is recommended to always assign a password. If
there is no specified password, privileged users can access the Web interface with
any password.
NOTE: Passwords can be secured by using password management commands to
force aging out of passwords, or expiration of passwords. For more information, see
"Management Security" on page 261.
Initial Configuration and Password Recovery
The system is delivered without a default password, and all passwords must be
defined by the user. If a user-defined password is lost, a password recovery
procedure can be invoked from the Startup menu. This procedure is
applicable for the local terminal only and enables a single access to the device
from the local terminal with no password entered.
The full mode of password recovery mechanism can be enabled/disabled
through the CLI (service password-recovery command).
This affects password recovery in the following way:
• Enabled: When the password-recovery mechanism is invoked, one-time
access to the device without a password is enabled and all configuration
and user files are retained.76 Dell PowerConnect 55xx Systems User Guide
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• Disabled: When the password-recovery mechanism is invoked, one-time
access to the device without a password is stilled enabled, however all
configuration files (startup and backups) are removed and the following
log message is generated to the terminal after boot process completed: “All
configuration and user files were removed”
Configuring an Initial Terminal Password
To configure an initial terminal password, enter the following commands:
Configuring an Initial Telnet Password
To configure an initial Telnet password, enter the following commands:
console(config)# aaa authentication login default line
console(config)# aaa authentication enable default line
console(config)# line console
console(config-line)# login authentication default
console(config-line)# enable authentication default
console(config-line)# password george
console(config)# aaa authentication login default line
console(config)# aaa authentication enable default line
console(config)# line telnet
console(config-line)# login authentication default
console(config-line)# enable authentication default
console(config-line)# password bobDell PowerConnect 55xx Systems User Guide 77
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Configuring an Initial SSH Password
To configure an initial SSH password, enter the following commands:
Configuring an Initial HTTP Password
To configure an initial HTTP password, enter the following commands:
Configuring an Initial HTTPS Password
To configure an initial HTTPS password, enter the following commands:
Enter the following commands once when configuring use of a terminal, a
Telnet, or an SSH session, for an HTTPS session.
NOTE: In the Web browser, enable SSL 2.0 or greater for the page content to be
displayed.
NOTE: HTTP and HTTPS services require privilege level 15 access and connect
directly to the configuration level access.
console(config)# aaa authentication login default line
console(config)# aaa authentication enable default line
console(config)# line ssh
console(config-line)# login authentication default
console(config-line)# enable authentication default
console(config-line)# password jones
console(config)# ip http authentication aaa loginauthentication local
console(config)# username admin password user1 privilege
15
console(config)# ip http authentication aaa loginauthentication local
console(config)# username admin password user1 privilege
15
console(config)# crypto certificate 1 generate keygenerate
console(config)# ip http secure-server78 Dell PowerConnect 55xx Systems User Guide
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Configuring Login Banners
Banners can be defined for each line, such as console and telnet) or for all
lines. They are disabled by default.
The following types of banners can be defined:
• Message-of-the-Day Banner (motd) — Displayed when the user connects
to the device, before login. The following defines a message-of-the-day for
the console:
console# configure
console(config)# line console
console(config-line)# motd-banner
console(config-line)# exit
console (config)# banner motd *
Welcome*
console# do show banner motd
Welcome
Would you like to enable this banner to all lines?
(Y/N)[Y] Y
console(config)#Dell PowerConnect 55xx Systems User Guide 79
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• Login Banner— Displayed after the Message-of-the-Day Banner, and
before the user has logged in. The following defines a login banner for the
console:
• Exec Banner — Displayed after successful login (in all privileged levels
and in all authentication methods). The following defines an exec banner
for the console:
console# configure
console(config)# line console
console(config-line)# login-banner
console(config-line)# exit
console (config)# banner login *
Please log in*
console# do show banner login
Would you like to enable this banner to all lines?
(Y/N)[Y] Y
Please log in
console# configure
console(config)# line console
console(config-line)# exec-banner
console(config-line)# exit
console (config)# banner exec *
Successfully logged in*
Would you like to enable this banner to all lines?
(Y/N)[Y] Y
console# do show banner exec
Successfully logged in80 Dell PowerConnect 55xx Systems User Guide
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Startup Menu Procedures
The Startup menu enables performing various tasks, such as software
download, flash handling and password recovery.
You can enter the Startup menu when booting the device. User input must be
entered immediately after the POST test.
To enter the Startup menu:
• Turn the power on. After the auto-boot messages appear, the following
menu is displayed:
The following sections describe the available Startup menu options.
NOTE: When selecting an option from the Startup menu, take time-out into
account. If no selection is made within 10 seconds (default), the device times out.
This default value can be changed through the CLI.
Download Software - Option[1]
The software download procedure is used to replace corrupted files or
upgrade system software, when the device does not have IP connectivity or
when both software images of the device are corrupted and therefore you
cannot use the web-based management system.
NOTE: it is highly recommended that, before loading via xmodem, the baud rate of
the device and terminal be set to 115200.
Startup Menu
[1]Download Software
[2]Erase Flash File
[3]Password Recovery Procedure
[4]Set Terminal Baud-Rate
[5]Stack menu
[6]BackDell PowerConnect 55xx Systems User Guide 81
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To download software through the Startup menu:
1 From the Startup menu, press [1]. The following prompt is displayed:
2 When using the HyperTerminal, click Transfer on the HyperTerminal
Menu Bar and select Send File.
3 In the Filename field, enter the file path for the file to be downloaded.
4 Ensure that the Xmodem protocol is selected in the Protocol field.
5 Press Send. The software is downloaded.
NOTE: After software download, the device reboots automatically.
Erase FLASH File - Option[2]
In some cases, the device Startup Configuration file must be erased. If the
configuration is erased, all parameters configured via CLI, web-management
or SNMP must be reconfigured.
To erase the device configuration in the Startup Configuration file:
1 From the Startup menu, select [2]. The following message is
displayed:
Warning! About to erase a Flash file.
Are you sure (Y/N)?
2 Press Y. The following message is displayed.
Write Flash file name (Up to 8 characters, Enter for
none.):
3 Enter config ("config" is the standard name for the Startup configuration
file although you can use any name).
The following is displayed:
Downloading code using XMODEM
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
File config (if present) will be erased after system
initialization
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The configuration is erased when the system is reset.
Password Recovery - Option[3]
If a password is lost, the Password Recovery procedure can be called from the
Startup menu. The procedure enables entry to the device a single time
without entering a password.
To recover a lost password when entering the local terminal only:
1 From the Startup menu, select [3].
2 Continue the regular startup by logging in without a password.
3 Enter a new password or press 'ESC' to exit.
NOTE: To ensure device security, reconfigure passwords for applicable
management methods.
Set Terminal Baud-Rate - Option[4]
To set the terminal baud-rate:
1 Type [4] and press .
2 Enter the new baud rate. The following is displayed:
Note that after this step, your terminal will no longer respond. Adjust your
terminal speed to the configured one.
Stack Menu - Option[5]
To configure the stack, type [5] and press .
For more information, see "Assigning Unit IDs" on page 50.
Set new device baud-rate: 38,400Dell PowerConnect 55xx Systems User Guide 83
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Software Download
This section contains instructions for downloading device software (system
and boot images) through a TFTP server or USB port. The TFTP server must
be configured before downloading the software.
Software Auto Synch in Stack
When several units are stacked, they must all run the same software version.
When a new slave device is inserted into the stack, it is first checked for
compatibility (meaning that the master can run firmware upgrade/downgrade
to the slave unit), and if found compatible, its boot and image software
versions are automatically updated with the Master’s. If the slave is found not
compatible, it is shutdown.
A SYSLOG message is sent when a master synchronizes a slave's software.
System Image Download
When the device boots, it decompresses the system image from the flash
memory area and runs it. When a new image is downloaded, it is saved in the
other area allocated for the other system image copy.
On the next boot, the device decompresses and runs the image from the
currently active system image.
A system image can be downloaded through a USB port or a TFTP server.
To download the system image from a TFTP server, ensure that an IP address
is configured on one of the device ports and pings can be sent to the TFTP
server. In addition, ensure that the file to be downloaded is saved on the
TFTP server.
To download a system image through the USB port or TFTP server:
1 Enter the show version command, to verify which software version is
currently running on the device. The following is an example of the
information that appears:
Unit SW version Boot version HW version
------ ------------------- ------------------- --------
2 1.0.0.24 1.0.0.11
console#84 Dell PowerConnect 55xx Systems User Guide
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2 Enter the show bootvar command, to verify which system image is
currently active. The following is an example of the information that is
displayed:
3 Enter the one of the following commands to copy a new system image to
the current unit:
– copy {tftp://|usb://}{tftp address}/{file name}
image (current unit)
or
To copy a new system image to all units in the stack:
– copy tftp://{tftp address}/{file name}
unit://*/image
4 When the new image is downloaded, it is saved in the area allocated for
the other copy of system image (image-2, as shown in the example). The
following is an example of the information that appears:
Exclamation symbols indicate that a copying process is in progress. Each
symbol (!) corresponds to 512 bytes transferred successfully. A period
indicates that the copying process is timed out. Many periods in a row
indicate that the copying process failed.
console# show bootvar
Unit Image Filename Version Date Status
---- ----- --------- --------- --------------------- ---------
2 1 image-1 1.0.0.13 04-Aug-2010 08:27:30 Active*
2 2 image-2 1.0.0.12 29-Jul-2010 17:02:26 Not active
console#
console# copy tftp://176.215.31.3/file1.ros image
Accessing file ‘file1’ on 176.215.31.3Ö
Loading file1 from 176.215.31.3:
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Copy took 00:01:11 [hh:mm:ss]Dell PowerConnect 55xx Systems User Guide 85
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5 Select the image for the next boot by entering the boot system command.
After this command, enter the show bootvar command to verify that the
copy indicated as a parameter in the boot system command is selected for
the next boot.
The following is an example of the information that appears:
If the image for the next boot is not selected by entering the boot system
command, the system boots from the currently active image.
6 Enter the reload command. The following message is displayed:
7 Enter Y. The device reboots.
Boot Image Download
Loading a new boot image from the TFTP server or USB port, updates the
boot image. The boot image is loaded when the device is powered on. A user
has no control over the boot image copies.
To download a boot image through the TFTP server:
console# boot system image-2
console# show bootvar
Images currently available on the Flash
Image-1 active
Image-2 not active (selected for next boot)
console# reload
This command will reset the whole system and
disconnect your current session. Do you want to
continue (y/n) [n]?86 Dell PowerConnect 55xx Systems User Guide
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1 Enter the show version command to verify which software version is
currently running on the device. The following is an example of the
information that appears:
2 Enter the copy {tftp://|usb://}{tftp address}/{file
name} boot command to copy the boot image to the device. The
following is an example of the information that appears:
3 Enter the reload command. The following message is displayed:
4 Enter Y. The device reboots.
console# show version
Unit SW version Boot version HW version
----- -------------- ----------------- ----------
2 1.0.0.24 1.0.0.11
console#
console# copy tftp://50.1.1.7/contax-10014.ros image
01-Oct-2006 11:57:35 %COPY-I-FILECPY: Files Copy - source URL
tftp://50.1.1.7/contax-10014.ros destination URL flash://image
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
01-Sep-2010 11:57:38 %INIT-I-Startup: Cold Startup
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
01-Sep-2010 11:59:05 %COPY-N-: The copy operation was completed
successfully!
Copy: 5954757 bytes copied in 00:01:30 [hh:mm:ss]
console# reload
This command will reset the whole system and
disconnect your current session. Do you want to
continue (Y/N) [N]?Dell PowerConnect 55xx Systems User Guide 87
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7
Using Dell OpenManage
Administrator
This section provides an introduction to the Dell OpenManage Switch
Administrator user interface.
It contains the following topics:
• Starting the Application
• Understanding the Interface
• Using the Switch Administrator Buttons
• Field Definitions
• Common GUI Features
• CLI Commands88 Dell PowerConnect 55xx Systems User Guide
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Starting the Application
NOTE: Before starting the application the IP address must be defined. For more
information, see "Accessing the Device Through the CLI" on page 71.
1 Open a web browser.
2 Enter the device’s IP address in the address bar and press .
3 When the Log In window displays, enter a user name and password.
NOTE: Passwords are both case sensitive and alpha-numeric.
4 Click OK.
The Dell OpenManage Switch Administrator home page displays.
Understanding the Interface
The home page contains the following views:
• Tree view — Located on the left side of the home page, the tree view
provides an expandable view of the features and their components. The
branches in the tree view can be expanded to view all the components
under a specific feature, or retracted to hide the feature's components. By
dragging the vertical bar to the right, the tree area can be expanded to
display the full name of a component.
• Device View — Located in on the top center of the home page, the device
view provides information about device ports, current configuration and
status, table information, and feature components. For further
information, see "Device Representation" on page 89
• Components List — Located in the bottom center of the home page,
contains a list of the feature components. When a feature is expanded, the
GUI page for that feature is displayed.
• Information Buttons— Located at the top of the home page, provide
access to information about the device and access to Dell Support. For
more information, see "Information Buttons" on page 91.Dell PowerConnect 55xx Systems User Guide 89
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Device Representation
The home page contains a graphical representation of the units in the stack’s
front panels. Figure 7-1 displays the 5548 model, but the display for the other
models are similar.
Figure 7-1. PowerConnect Device Port Indicators
The graphic display on the home page displays the Unit ID and port
indicators that specify whether a specific port is currently active. Table 7-1
describes the port colors that are displayed and their meaning:
Table 7-1. Port Colors
NOTE: For more information about LEDs, see "LED Definitions" on page 40.
To configure a port double-click on its icon.
Only ports that are physically present are displayed in the PowerConnect
OpenManage Switch Administrator home page, and can be configured
through the web management system. Non-present ports can be configured
through the CLI or SNMP interfaces.
Port Representation
Ports are referred to in the notation: [gi/te]x/0/z, where:
Component Description
Amber The port is currently connected at 100 Mbps.
Green The port is currently connected at 1000 Mbps
Grey The port is currently disconnected
Stacking Unit ID
Giga Ports (odd numbered)
Giga Ports (even numbered)90 Dell PowerConnect 55xx Systems User Guide
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• gi—Giga port
• te —Ten Giga port
• x — Unit ID
• z — Port numberDell PowerConnect 55xx Systems User Guide 91
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Using the Switch Administrator Buttons
This section describes the buttons found on the OpenManage Switch
Administrator interface.
Information Buttons
Table 7-2 describes the information buttons that provide access to online
support and online help, as well as information about the OpenManage
Switch Administrator interfaces. These are displayed at the top of each page.
Device Management Icons
Table 7-3 describes the device management buttons.
Table 7-2. Information Buttons
Button Description
Support Opens the Dell Support page at support.dell.com
About Contains the version and build number and Dell copyright
information.
Logout Opens the Log Out window.
Table 7-3. Device Management Icons
Button Icon Description
Apply&Save Saves changes to the Running and Startup Configuration
files.
Help Open online help. The online help pages are
context-sensitive. For example, if the IP Addressing page is
open, the help topic for that page is displayed when Help is
clicked.
Print Prints the Network Management System page and/or table
information.92 Dell PowerConnect 55xx Systems User Guide
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Refresh Refreshes device information from the Running
Configuration file.
Table 7-3. Device Management Icons (Continued)Dell PowerConnect 55xx Systems User Guide 93
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Field Definitions
Fields that are user-defined can contain between 1–159 characters, unless
otherwise noted on the OpenManage Switch Administrator web page. All
letters or characters can be used, except the following: "\ / : * ? < >"
Common GUI Features
Table 7-4 describes the common functions that can be performed on many
GUI pages.
Table 7-4. Common GUI Elements
Button Description
Apply Save changes entered in GUI page to the Running
Configuration file.
Back Go to previous page.
Cancel Cancel changes entered in GUI page.
Clear All Counters Delete counters.
Clear Counters Delete selected counters.
Clear Log Delete entries from log.
Clear Statistics Delete statistics.
Copy parameters
from
Copy the parameters from a selected row to the selected
target rows.
Copy parameters
from port
Copy the parameters from a selected port to the selected
target ports.
Details Shows further details relevant to the current page.
Next Go to next page.
Query Run a query after query criteria have been entered.
Remove Remove checked elements in the page. If Select All is
selected, all elements are removed.
Reset All Counters Delete all counters.
Restore Defaults Restores parameters entered in page to default values.94 Dell PowerConnect 55xx Systems User Guide
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GUI Terms
Each GUI page in the tree view is described in the following sections. A brief
introduction is provided along with steps specifying how to enter information
in the page. The following terms are used:
• Enter — Indicates that information may be entered in the field. It does
not imply that the field is mandatory.
• Select —Indicates that information may be selected from a drop-down list
or from radio buttons.
• Displays —Indicates that the field is display only.
CLI Commands
There are certain command entry conventions that apply to all commands.
The following table describes these conventions.
Table 7-5. Common GUI Elements
Telnet Opens a Telnet window. This only works in the Explorer 6 and
Firefox browsers.
Button Description
[ ] In a command line, square brackets indicate an optional
entry..
{ } In a command line, curly brackets indicate a selection of
compulsory parameters separated by the | character. One
option must be selected. For example: flowcontrol
{auto|on|off} means that for the flowcontrol command
either auto, on, or off must be selected.
Italic Font Indicates a parameter value.
Bold Italic Font Indicates a parameter key word.
Any individual key on the keyboard. For example click
.
Table 7-4. Common GUI Elements (Continued)
Button DescriptionDell PowerConnect 55xx Systems User Guide 95
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Ctrl+F4 Any combination of keys clicked simultaneously, for example:
Ctrl and F4.
Screen Display Indicates system messages and prompts appearing on the
console.
all When a parameter is required to define a range of ports or
parameters and all is an option, the default for the command
is all when no parameters are defined. For example, the
command interface range port-channel has the option of
either entering a range of channels, or selecting all. When the
command is entered without a parameter, it automatically
defaults to all.
Button Description96 Dell PowerConnect 55xx Systems User Guide
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8
Network Security
This section describes the various mechanisms for providing security on the
switch.
It contains the following topics:
• Port Security
• ACLs
• ACL Binding
• Proprietary Protocol Filtering
• Absolute Time Range
• Time Range Recurrence
• Dot1x Authentication98 Dell PowerConnect 55xx Systems User Guide
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Port Security
Network security can be enhanced by limiting access on a port to users with
specific MAC addresses. The MAC addresses can be dynamically learned, or
they can be statically configured.
Port security has the following modes:
• Classic Lock — Locked port security monitors both received and learned
packets that are received on specific ports. Access to the locked port is
limited to users with specific MAC addresses. These addresses are either
manually defined on the port, or learned on that port before it was locked.
• Limited Dynamic Lock — When a packet is received on a locked port,
and the packet’s source MAC address is not tied to that port (either it was
learned on a different port, or it is unknown to the system), a protection
mechanism, which provides various options is invoked. Unauthorized
packets arriving to a locked port are either:
– Forwarded
– Discarded with no trap
– Discarded with a trap
– The port is shutdown
Locked port security enables storing a list of MAC addresses in the
configuration file. The MAC addresses are restored when the device is reset.
Disabled ports can be activated from the Port Configuration page. Dell PowerConnect 55xx Systems User Guide 99
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To configure port security:
1 Click Switching > Network Security > Port Security to display the Port
Security: Summary page.
Figure 8-1. Port Security: Summary
Security parameters are displayed for all ports or LAGs, depending on the
selected interface type.
2 To modify the security parameters for a port, select it, and click Edit.
3 Enter the following fields:
– Interface — Select the interface to be configured.
– Current Port Status — Displays the current port status.
– Set Port — Select to either lock or unlock the port.
– Learning Mode — Set the locked port type. The Learning Mode field
is enabled only if Locked is selected in the Set Port field. The possible
options are:
• Classic Lock — Locks the port using the classic lock mechanism.
The port is immediately locked, regardless of the number of
addresses that have already been learned. 100 Dell PowerConnect 55xx Systems User Guide
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• Limited Dynamic Lock — Locks the port by deleting the
dynamic MAC addresses associated with the port. The port learns
up to the maximum addresses allowed on the port. Both
relearning and aging MAC addresses are enabled.
– Max Entries (0-128) — Enter the maximum number of MAC
addresses that can be learned on the port. The Max Entries field is
enabled only if Locked is selected in the Set Port field, and the
Limited Dynamic Lock mode is selected in Learning Mode field.
– Action on Violation — Select the action to be applied to packets
arriving on a locked port. The possible options are:
• Discard — Discard the packets from any unlearned source.
• Forward — Forward the packets from an unknown source,
without learning the MAC address.
• Shutdown — Discard the packet from any unlearned source, and
shut down the port. Ports remain shutdown until they are
reactivated, or the device is reset.
– Trap — Enable/disable traps being sent when a packet is received on a
locked port.
– Trap Frequency (1-1000000) — Enter the amount of time (in
seconds) between traps.
Configuring Port Security Using CLI Commands
The following table summarizes the CLI commands for configuring port
security.
.
Table 8-1. Port Security CLI Commands
CLI Command Description
set interface active
{[gigabitethernet|tengigabitethern
et] interface|port-channel LAGnumber}
Reactivates an interface that is
shutdown due to port security
reasons.Dell PowerConnect 55xx Systems User Guide 101
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port security max {max-addr}
no port security max
Specifies the maximum number of
MAC addresses that can be learned
on the port.
Use the no form of this command
to restore the default
port security mode {lock | maxaddresses }
no port security mode
Configures the port security
learning mode.
Use the no form of this command
to restore the default
configuration.
port security [forward | discard |
discard-shutdown] [trap seconds]
no port security
Enables port security on an
interface.
Use the no form of this command
to disable port security on an
interface.
port security
[forward|discard|discard-shutdown]
[trap seconds]
no port security
Configures port security on an
interface.
Use the no form of this command
to disable port security.
show ports security
[[gigabitethernet|tengigabitethern
et] port-number ]|port-channel
LAG-number]
Displays lock status of specified
interface or of all interfaces.
Table 8-1. Port Security CLI Commands (Continued)
CLI Command Description102 Dell PowerConnect 55xx Systems User Guide
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The following is an example of the CLI commands:
console # show ports security
Port Status Learning Action Maximum Trap Frequency
------- -------- -------- -------- ------- ---- ---------
gi1/0/1 Disabled Max-Addresses - 10 - -
gi1/0/2 Disabled Lock - 1 - -
gi1/0/3 Disabled Lock - 1 - -
gi1/0/4 Disabled Lock - 1 - -
gi1/0/5 Disabled Lock - 1 - -
gi1/0/6 Disabled Lock - 1 - -
gi1/0/7 Disabled Lock - 1 - -
gi1/0/8 Disabled Lock - 1 - -
gi1/0/9 Disabled Lock - 1 - -
gi1/0/10Disabled Lock - 1 - -
gi1/0/11Disabled Lock - 1 - -
gi1/0/12Disabled Lock - 1 - -Dell PowerConnect 55xx Systems User Guide 103
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ACLs
This section describes Access Control Lists (ACLs), which enable defining
classification actions and rules for specific ingress or egress ports.
It contains the following topics:
• ACL Overview
• MAC-Based ACLs
• MAC-Based ACEs
• IPv4-Based ACLs
• IPv4-Based ACEs
• IPv6-Based ACLs
• IPv6-Based ACEs
ACL Overview
Access Control Lists (ACLs) enable network managers to define classification
actions and rules for specific ingress or egress ports. Packets entering an
ingress or egress port, with an active ACL, are either admitted or denied entry.
If entry is denied, the ingress or egress port may be disabled, for example, a
network administrator defines an ACL rule that states that port number 20
can receive TCP packets, however, if a UDP packet is received, the packet is
dropped.
ACLs are composed of Access Control Entries (ACEs) that are rules that
determine traffic classifications. Each ACE is a single rule, and up to 256
rules may be defined on each ACL, and up to 3000 rules globally.
Rules are not only used for user configuration purposes, they are also used for
features like DHCP Snooping, Protocol Group VLAN and iSCSI, so that not
all 3000 rules are available for ACEs. It is expected that there will be at least
2000 rules available. If there are fewer rules available, this may be due to
DHCP Snooping or iSCSI optimization. Reduce the number of entries in
DHCP Snooping or reduce the max number of TCP connections in the iSCSI
configuration in order to free rules for ACEs.
The following types of ACLs can be defined:
• MAC-based ACL — Examines Layer 2 fields only
• IPv4-based ACL —Examines the Layer 3 layer of IPv4 frames104 Dell PowerConnect 55xx Systems User Guide
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• IPv6-based ACL —Examines the Layer 3 layer of IPv6 frames
MAC-Based ACLs
To define a MAC-based ACL:
1 Click Switching > Network Security > MAC Based ACL to display the
MAC Based ACL: Summary page.
Figure 8-2. MAC Based ACL: Summary
The currently-defined MAC-based ACLs are displayed.
2 To add a new ACL, click Add ACL, and enter the name of the new ACL.Dell PowerConnect 55xx Systems User Guide 105
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Configuring MAC-Based ACLs Using CLI Commands
The following table summarizes the CLI commands for configuring
MAC-based ACLs.
The following is an example of some of the CLI commands:
Table 8-2. MAC Based ACL CLI Commands
CLI Command Description
mac access-list extended aclname
no mac access-list extended aclname
Defines an ACL and places the device
in MAC-extended ACL configuration
mode.
Use the no form of this command to
remove the ACL.
show interfaces access-lists Displays access lists applied on
interfaces.
console# show access-lists
Extended IP access list ACL1
permit 234 172.30.40.1 0.0.0.0 any
permit 234 172.30.8.8 0.0.0.0 any106 Dell PowerConnect 55xx Systems User Guide
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MAC-Based ACEs
To add rules to an ACL:
1 Click Switching > Network Security > MAC Based ACE to display the
MAC Based ACE: Summary page.
Figure 8-3. MAC Based ACE: Summary
The currently-defined rules for the selected ACL are displayed.
2 To add a rule click Add ACE.
3 Select the ACL for which a rule is being created.
4 Enter the fields:
– New Rule Priority — Enter the priority of the ACE. ACEs with higher
priority are processed first. One is the highest priority
– Source MAC Address — Match the source MAC address from which
packets have arrived to this source address. In addition to the Source
MAC address, you can enter a Wildcard Mask that specifies which
bits in the source address are used for matching and which bits are
ignored. A wildcard of 00:00:00:00:00:00 means the bits must be
matched exactly; ff:ff:ff:ff:ff:ff means the bits are irrelevant. Any
combination of 0s and ffs can be used.
– Any — Check to indicate that the source address is not matched.Dell PowerConnect 55xx Systems User Guide 107
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– Dest. MAC Address — Match the destination MAC address to which
packets are addressed to this address. In addition to the Destination
MAC address, you can enter a Wildcard Mask that specifies which
bits in the source address are used for matching and which bits are
ignored. A wildcard of 00:00:00:00:00:00 means the bits must be
matched exactly; ff:ff:ff:ff:ff:ff means the bits are irrelevant. Any
combination of 0s and ffs can be used.
– Any — Check to indicate that the destination address is not matched.
– VLAN ID — Match the packet’s VLAN ID to this VLAN ID. The
possible VLAN IDs are 1 to 4095.
– CoS — Match the packet’s CoS value to this CoS value.
– Cos Mask — Match the packet’s CoS value to one of these CoS
values.
– Ether type — Match the packet’s Ethertype to this one.
– Time Range Name — Check to associate a time range with the ACE.
Select one of the time ranges defined in the Time Range page.
– Action — Select the action taken upon a match. The following
options are available:
• Permit — Forward packets that meet the ACL criteria.
• Deny — Drop packets that meet the ACL criteria.
• Shutdown — Drop packets that meet the ACL criteria, and
disable the port to which the packet was addressed.
– Logging of Dropped Packets — Check to activate logging of dropped
packets. 108 Dell PowerConnect 55xx Systems User Guide
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Configuring MAC-Based ACEs Using CLI Commands
The following table summarizes the CLI commands for configuring MACbased ACEs.
The following is an example of some of the CLI commands:
Table 8-3. MAC Based ACE CLI Commands
CLI Command Description
permit {any|source-ip-address
source-wildcard}
{any|destination destinationwildcard} [eth-type
0|aarp|amber|decspanning|decnetiv|diagnostic|dsm|etype-6000]
[vlan vlan-id] [cos cos coswildcard] [time-range timerange-name]
Sets permit conditions for an MAC
access list (in MAC ACL configuration
mode).
deny {any|source sourcewildcard} {any|destination
destination-wildcard} [eth-type
0|aarp|amber|decspanning|decnet-iv | diagnostic
|dsm|etype-6000] [vlan vlan-id]
[cos cos cos-wildcard] [timerange time-range-name][disableport|log-input]
Sets deny conditions for an MAC
access list.
console(config)# mac access-list extended server1
console(config-mac-al)# permit 00:00:00:00:00:01
00:00:00:00:00:ff anyDell PowerConnect 55xx Systems User Guide 109
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IPv4-Based ACLs
To define an IPv4-based ACL:
1 Click Switching > Network Security > IPv4 Based ACL to display the
IPv4 Based ACL: Summary page.
Figure 8-4. IPv4 Based ACL: Summary
The previously-defined IPv4 ACLs are displayed.
2 To add a new ACL, click Add ACL.
3 Enter the name of the new ACL. Names are case-sensitive.110 Dell PowerConnect 55xx Systems User Guide
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Configuring IP-based ACLs Using CLI Commands
The following table summarizes the CLI commands for configuring IP-based
ACLs.
The following is an example of some of the CLI commands:
IPv4-Based ACEs
To add a rule to an ACL:
1 Click Switching > Network Security > IPv4 Based ACE to display the
IPv4 Based ACE page.
Figure 8-5. IPv4 Based ACE: Summary
Table 8-4. IP-Based ACL CLI Commands
CLI Command Description
ip access-list extended aclname
no ip access-list extended aclname
Defines an IPv4 access list and places
the device in IPv4 access list
configuration mode
Use the no form of this command to
remove the access list.
console(config)# ip access-list extended server-aclDell PowerConnect 55xx Systems User Guide 111
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The currently-defined rules for the selected ACL are displayed.
2 To add a rule, click Add ACE.
3 Select a user-defined ACL, and enter the following fields:
– New ACE Priority (1-2147483647) —Enter the priority of the ACE.
ACEs with higher priority are processed first. One is the highest
priority.
– Protocol Select From List — Select to create an ACE, based on a
specific protocol. The following options are available:
• ICMP — Internet Control Message Protocol (ICMP). The ICMP
enables the gateway or destination host to communicate with the
source host, for example, to report a processing error.
• IGMP — Internet Group Management Protocol (IGMP).
Enables hosts to notify their local switch or router that they want
to receive transmissions assigned to a specific multicast group.
• IPinIP — IP in IP. Encapsulates IP packets to create tunnels
between two routers. This ensures that IPIP tunnel appears as a
single interface, rather than several separate interfaces. IPIP
enables tunnel intranets occur the internet, and provides an
alternative to source routing.
• TCP — Transmission Control Protocol (TCP). Enables two hosts
to communicate and exchange data streams. TCP guarantees
packet delivery, and guarantees that packets are transmitted and
received in the order they are sent.
• EGP — Exterior Gateway Protocol (EGP). Permits exchanging
routing information between two neighboring gateway hosts in an
autonomous systems network.
• IGP — Interior Gateway Protocol (IGP). Enables for routing
information exchange between gateways in an autonomous
network.
• UDP — User Datagram Protocol (UDP). Communication
protocol that transmits packets but does not guarantee their
delivery.112 Dell PowerConnect 55xx Systems User Guide
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• HMP — Host Mapping Protocol (HMP). Collects network
information from various networks hosts. HMP monitors hosts
spread over the internet as well as hosts in a single network.
• RDP — Reliable Data Protocol (RDP). provide a reliable data
transport service for packet-based applications.
• IDPR— Matches the packet to the IDPR protocol.
• IDRP— Matches the packet to the Inter-Domain Routing
Protocol (IDRP).
• RVSP — Matches the packet to the ReSerVation Protocol
(RSVP).
• AH — Authentication Header (AH). Provides source host
authentication and data integrity.
• EIGRP — Enhanced Interior Gateway Routing Protocol
(EIGRP). Provides fast convergence, support for variable-length
subnet mask, and supports multiple network layer protocols.
• OSPF — The Open Shortest Path First (OSPF) protocol is a
link-state, hierarchical interior gateway protocol (IGP) for
network routing Layer Two (2) Tunneling Protocol, an extension
to the PPP protocol that enables ISPs to operate Virtual Private
Networks (VPNs).
• IPIP — IP over IP (IPinIP). Encapsulates IP packets to create
tunnels between two routers. This ensures that IPIP tunnel
appears as a single interface, rather than several separate
interfaces. IPIP enables tunnel intranets occur the internet, and
provides an alternative to source routing.
• PIM — Matches the packet to Protocol Independent Multicast
(PIM).
• L2TP— Matches the packet to Internet Protocol (L2IP).
• ISIS — Intermediate System - Intermediate System (ISIS).
Distributes IP routing information throughout a single
autonomous system in IP networks.
– Protocol ID To Match— Enter a protocol number if you did not
select a protocol by name.
– Any(IP) — Check to use any protocol. Dell PowerConnect 55xx Systems User Guide 113
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– Source Port (0 - 65535) — Enter the TCP/UDP source port. Enter
either Single, Range or select Any to include all ports.
– Destination Port (0 - 65535) — Enter the TCP/UDP destination port.
Enter either a Single, Range or select Any to include all ports.
– Source IP Address — Enter the source IP address to which addresses
in the packet are compared.
• Wildcard Mask —In addition to the Source MAC address, you
can enter a mask that specifies which bits in the source address are
used for matching and which bits are ignored. A wildcard of
0.0.0.0 means the bits must be matched exactly in addition to the
IP source address; ff.ff.ff.ff means the bits are irrelevant. Any
combination of 0s and ffs can be used.
• Any — Check to indicate that the source address is not matched.
– Dest. IP Address — Enter the destination IP address to which
addresses in the packet are compared.
• Wildcard Mask —In addition to the Destination MAC address,
you can enter a mask that specifies which bits in the source
address are used for matching and which bits are ignored. A
wildcard of 0.0.0.0 means the bits must be matched exactly in
addition to the IP destination address; ff.ff.ff.ff means the bits are
irrelevant. Any combination of 0s and ffs can be used.
• Any — Check to indicate that the destination address is not
matched.
– TCP Flags — To use TCP flags, check the TCP Flag checkbox and
then check the desired flag(s).
– ICMP — Specifies an ICMP message type for filtering ICMP packets.
This field is available only when ICMP is selected in the Protocol
field. The following options are available:
• Select from List — Select an ICMP type from the list.
• ICMP Type — Enter the ICMP type.
• Any — Check to use all ICMP types.114 Dell PowerConnect 55xx Systems User Guide
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– ICMP Code — Enter an ICMP message code for filtering ICMP
packets that are filtered by ICMP message type or ICMP message
code. This field is available only when ICMP is selected in the
Protocol field. The following options are available:
• ICMP Code — Enter an ICMP code.
• Any — Check to use all ICMP codes.
– IGMP — IGMP packets can be filtered by IGMP message type. This
field is available only when IGMP is selected in the Protocol field. The
following options are available:
• Select from List — Select an IGMP message type from the list.
• IGMP Type — Enter the IGMP message type.
• Any — Check to use all IGMP message types.
– Classification — Select one of the following matching options:
• Match DSCP(0-63) — Matches the packet DSCP value to the
ACL.
• Match IP Precedence(0-7) — Check to enable matching
IP-precedence with the packet IP-precedence value. IPprecedence enables marking frames that exceed the CIR
threshold. In a congested network, frames containing a higher DP
value are discarded before frames with a lower DP value. If this
field is checked, enter a value to be matched.
– Time Range Name — Check to associate a time range with the ACE.
Select one of the time ranges defined in the Time Range page.
– Action — Select the ACL forwarding action. The following options
are available:
• Permit — Forward packets which meet the ACL criteria.
• Deny — Drop packets which meet the ACL criteria.
• Shutdown — Drop packet that meet the ACL criteria, and disable
the port to which the packet was addressed.
– Logging of Dropped Packets — Check to activate logging of dropped
packets. Dell PowerConnect 55xx Systems User Guide 115
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Configuring IP-based ACEs Using CLI Commands
The following table summarizes the CLI commands for configuring IP-based
ACLs.
Table 8-5. IP-Based ACE CLI Commands
CLI Command Description
permit protocol {any|source-ip-address
source-wildcard} {any|destination-ipaddress destination-wildcard} [dscp
number|precedence number] [time-range
time-range-name]
permit icmp {any|source-ip-address sourcewildcard} {any|destination-ip-address
destination-wildcard} [any|icmptype][any|icmp-code]] [dscp
number|precedence number] [time-range
time-range-name]
permit igmp {any|source-ip-address sourcewildcard} {any|destination-ip-address
destination-wildcard}[igmp-type] [dscp
number|precedence number] [time-range
time-range-name]
permit tcp {any|source-ip-address sourcewildcard} {any|source-port/portrange}{any|destination-ip-address
destination-wildcard} {any|destinationport/port-range } [dscp number|precedence
number] [match-all list-of-flags] [timerange time-range-name]
permit udp {any|source-ip-address sourcewildcard} {any|source-port|port-range}
{any|destination-ip-address destinationwildcard} {any|destination-port/port-range
} [dscp number|precedence number] [matchall time-range-name] [time-range timerange-name]
Sets conditions to
allow a packet to pass
a named IP access list
( in access list
configuration mode).
The list of protocols is
found above.116 Dell PowerConnect 55xx Systems User Guide
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The following is an example of some of the CLI commands:
deny protocol {any|source-ip-address
source-wildcard} {any|destination-ipaddress destination-wildcard} [dscp
number|precedence number] [time-range
time-range-name] [disable-port|log-input]
deny icmp {any|source-ip-address sourcewildcard} {any|destination-ip-address
destination-wildcard{any|icmp-type}
{any|icmp-code} [dscp number|precedence
number] [time-range time-range-name]
[disable-port|log-input]
deny igmp {any|source-ip-address sourcewildcard} {any|destination-ip-address
destination-wildcard}[igmp-type] [dscp
number|precedence number] [time-range
time-range-name] [disable-port|log-input]
deny tcp {any|source-ip-address sourcewildcard} {any|source-port|portrange}{any|destination-ip-address
destination-wildcard} {any|destinationport/port-range } [dscp number|precedence
number] [match-all list-of-flags] [timerange time-range-name] [disable-port|loginput]
deny udp {any|source-ip-address sourcewildcard} {any|source-port|port-range}
{any|destination-ip-address destinationwildcard} {any|destination-port|port-range
} [dscp number|precedence number] [matchall time-range-name] [time-range timerange-name] [disable-port|log-input]
Sets deny conditions
for IPv4 access list (in
access list
configuration mode).
console(config)# ip access-list extended server
console(config-ip-al)# permit ip 1.1.1.0 0.0.0.255
1.1.2.0 0.0.0.0
Table 8-5. IP-Based ACE CLI Commands (Continued)
CLI Command DescriptionDell PowerConnect 55xx Systems User Guide 117
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IPv6-Based ACLs
The IPv6 Based ACL Page displays and enables the creation of IPv6 ACLs,
which check pure IPv6-based traffic. IPv6 ACLs do not check IPv6-over-IPv4
or ARP packets.
To define IPv6-based ACLs:
1 Click Switching > Network Security > IPv6 Based ACL to display the
IPv6 Based ACL: Summary page.
Figure 8-6. IPv6 Based ACL: Summary
A list of all of the currently defined IPv6-based ACLs is displayed.
2 To add a new ACL, click Add ACL.
3 Enter the name of the new ACL. Names are case-sensitive.118 Dell PowerConnect 55xx Systems User Guide
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Configuring IPv6-based ACLs Using CLI Commands
The following table summarizes the CLI commands for configuring
IPv6-based ACLs.
The following is an example of some of the CLI commands:
IPv6-Based ACEs
To add a rule to an IPv6-based ACL:
1 Click Switching > Network Security > IPv6 Based ACE to display the
IPv6 ACE: Summary page.
Figure 8-7. IPv6 Based ACE: Summary
Table 8-6. IP-Based ACL CLI Commands
CLI Command Description
ipv6 access-list [access-listname]
no ipv6 access-list [accesslist-name]
Defines an IPv6 access list and places
the device in IPv6 access list
configuration mode
Use the no form of this command to
remove the access list.
console(config)# ipv6 access-list server-aclDell PowerConnect 55xx Systems User Guide 119
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The currently-defined rules for the selected ACL are displayed.
2 To add a rule click Add ACE.
3 Select a user-defined ACL for which a rule is being created.
4 Enter the following fields:
– New Rule Priority — Enter the ACE priority that determines which
ACE is matched to a packet, based on a first match.
– Protocol Select from List — Select to create an ACE, based on a
specific protocol. The following options are available:
• TCP — Transmission Control Protocol (TCP). Enables two
hosts to communicate and exchange data streams. TCP
guarantees packet delivery, and guarantees packets are
transmitted and received in the order the are sent.
• UDP — User Datagram Protocol (UDP). Communication
protocol that transmits packets but does not guarantee their
delivery.
• ICMP — Internet Control Message Protocol (ICMP). The
ICMP allows the gateway or destination host to communicate
with the source host. For example, to report a processing error.
• IPV6 — Matches the packet to the IPV6 protocol.
– Protocol ID To Match — Enter a protocol.
– Any — Check to use any protocol.
– Source Port — Enter the TCP/UDP source port. Enter either a Single,
Range or select Any to include all ports.
– Destination Port — Enter the TCP/UDP destination port. Enter
either a Single, Range or select Any to include all ports.
– TCP Flags — To use TCP flags, check the TCP Flag checkbox and
then check the desired flag(s).
– ICMP — Specifies an ICMP message type for filtering ICMP packets.
This field is available only when ICMP is selected in the Protocol
field. The following options are available:
• Select from List — Select an ICMP type from the list.
• ICMP Type — Enter the ICMP type.120 Dell PowerConnect 55xx Systems User Guide
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• Any — Check to use all ICMP types.
– ICMP Code — Specifies an ICMP message code for filtering ICMP
packets that are filtered by ICMP message type or ICMP message
code. This field is available only when ICMP is selected in the
Protocol field. The following options are available:
• ICMP Code — Enter an ICMP code.
• Any — Check to use all ICMP codes.
– Source IP Address — Enter the source IP address to which addresses
in the packet are compared. The following options are available:
• Prefix Length —The number of bits that comprise the source IP
address prefix of the subnetwork.
• Any — Check to indicate that the source address is not matched.
– Dest. IP Address — Enter the destination IP address to which
addresses in the packet are compared. The following options are
available:
• Prefix Length —The number of bits that comprise the
destination IP address prefix of the subnetwork.
• Any — Check to indicate that the destination address is not
matched.
– Traffic Class — Select one of the following options:
• Match DSCP — Matches the packet DSCP value to the ACL.
• Match IP Precedence — Matches the IP-precedence with the
packet IP-precedence value. IP-precedence enables marking
frames that exceed CIR threshold. In a congested network, frames
containing a higher DP value are discarded before frames with a
lower DP value.
– Time Range Name — Check to associate a time range with the ACE.
Select one of the time ranges defined in the Time Range page.
– Action — The ACL forwarding action. The following options are
available:
• Permit — Forwards packets that meet the ACL criteria.
• Deny — Drops packets that meet the ACL criteria.Dell PowerConnect 55xx Systems User Guide 121
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– Shutdown — Drops packet that meet the ACL criteria, and disables
the port to which the packet was addressed.
– Logging of Dropped Packets — Check to activate logging of dropped
packets.
Configuring IP-based ACEs Using CLI Commands
The following table summarizes the CLI commands for configuring IP-based
ACLs.
Table 8-7. IP-Based ACE CLI Commands
CLI Command Description
permit protocol {any|{source-prefix/length
}{any|destination- prefix/length } [dscp
number|precedence number] [time-range
time-range-name]
permit icmp {any|{source-prefix/length
}{any|destination-prefix/length }
{any|icmp-type}{any|icmp-code} [dscp
number|precedence number] [time-range
time-range-name]
permit tcp {any|{source-prefix/length }
{any|source-port/port-range}
}{any|destination prefix/length }
{any|destination-port/port-range} [dscp
number|precedence number] [match-all listof-flags] [time-range time-range-name]
permit udp {any|{source-prefix/length }}
{any|source-port|port-range}
}{any|destination prefix/length }
{any|destination-port/port-range} [dscp
number|precedence number] [time-range
time-range-name]
Sets permit conditions
for IPv6 access list.122 Dell PowerConnect 55xx Systems User Guide
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The following is an example of some of the CLI commands:
deny protocol {any|{source-prefix/length
}{any|destination-prefix|length} [dscp
number|precedence number] [time-range
time-range-name] [disable-port|log-input]
deny icmp {any|{source-prefix/length
}{any|destination-prefix/length }
{any|icmp-type} {any|icmp-code} [dscp
number|precedence number] [time-range
time-range-name] [disable-port|log-input]
deny tcp {any|{source-prefix/length }
{any|source-port/port-range}
}{any|destination-prefix/length}
{any|destination-port/port-range} [dscp
number|precedence number] [match-all listof-flags] [time-range time-range-name]
[disable-port|log-input]
deny udp {any|{source-prefix/length }}
{any|source-port/port-range}
}{any|destination-prefix|length}
{any|destination-port/port-range} [dscp
number|precedence number] [time-range
time-range-name] [disable-port|log-input]
Sets deny conditions
for IPv4 access list (in
Access List
Configuration mode).
console(config)# ipv6 access-list server
console(config-ipv6-al)# permit tcp 3001::2/64 any any 80
Table 8-7. IP-Based ACE CLI Commands (Continued)
CLI Command DescriptionDell PowerConnect 55xx Systems User Guide 123
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ACL Binding
When an ACL is bound to an interface, all the rules that have been defined
for the ACL are applied to that interface. Whenever an ACL is assigned on a
port or LAG, flows from that ingress or egress interface that do not match the
ACL, are matched to the default rule, which is to Drop unmatched packets.
To change the default action for unmatched packets to an action other than
Drop, do the following:
• Add an additional ACE to the ACL with "Any" in all fields
• Set its action other than Drop
• Set the priority to the lowest in the ACL.
To bind ACLs to interfaces:
1 Click Switching > Network Security > ACL Binding to display the ACL
Binding: Summary page.
Figure 8-8. ACL Binding: Summary
The ports on the selected unit are displayed along with their associated
ACLs.124 Dell PowerConnect 55xx Systems User Guide
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2 To bind an ACL to an interface, select an interface and click Edit.
3 Select an ACL(s). You can select one of each type (MAC-based ACL,
IPv4-based ACL or IPv6-based ACL) or one IPv4-based ACL and one
IPv6-based ACL.
Configuring ACL Bindings Using CLI Commands
The following table summarizes the CLI commands for configuring ACL
Bindings.
.
The following is an example of some of the CLI commands:
Table 8-8. ACL Bindings CLI Commands
CLI Command Description
service-acl input acl-name1
[acl-name2]
no service-acl input
Controls access to an interface
Use the no form of the command to
remove access control.
show access-lists [acl-name] Displays access control lists (ACLs)
configured on the switch.
console(config)# mac access-list extended server
console(config-mac-al)# permit 00:00:00:00:00:01
00:00:00:00:00:ff any
console(config-mac-al)# exit
console(config)# interface gi1/0/1
console(config-if)# service-acl input serverDell PowerConnect 55xx Systems User Guide 125
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Proprietary Protocol Filtering
Protocol filters are used to disallow receiving specific proprietary protocol
packets through an interface. These can be enabled for specific ports.
If a protocol filter is enabled on a port, you cannot enable a QoS ACL on this
port.
To configure Proprietary Protocol Filtering:
1 Click Switching > Network Security > Proprietary Protocol Filtering to
display the Proprietary Protocol Filtering: Summary page.
Figure 8-9. Proprietary Protocol Filtering: Summary
A list of the ports and their filtered protocols is displayed.
2 Click Edit to modify the filtered protocols for a specific port.
3 Select a unit and an interface.126 Dell PowerConnect 55xx Systems User Guide
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4 Move the required protocols from the Available Protocols list to the
Filtered Protocols list. The following displays the protocols and the
addresses that are blocked:
Configuring Proprietary Protocol Filtering Using CLI Commands
The following table summarizes the CLI commands for setting fields in the
Proprietary Protocol Filtering pages.
Only one of the following CLI commands can be active on a port at the same
time. To add other protocol filters, the command must be negated and then
run again with all the required protocol names.
.
The following is an example of some of the CLI commands:
Table 8-9. Protocol Filtering
Protocol Destination Address Protocol Type
blockcdp 0100.0ccc.cccc 0x2000
blockvtp 0100.0ccc.cccc 0x2003
blockdtp 0100.0ccc.cccc 0x2004
blockudld 0100.0ccc.cccc 0x0111
blockpagp 0100.0ccc.cccc 0x0104
blocksstp 0100.0ccc.cccd -
blockall 0100.0ccc.ccc0 - 0100.0ccc.cccf -
Table 8-10. Proprietary Protocol Filtering CLI Commands
CLI Command Description
service-acl input protocol1
[protocol2 … protocol6]
no service-acl input
Discards packets that are classified to
specific protocols.
Use the no form of those commands
to disable discarding of the packets.
console (Config-if)# service-acl input blockcdp blockvtpDell PowerConnect 55xx Systems User Guide 127
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Time Range
Time ranges can be defined and associated with an QoS ACL, so that it is
applied only during that time range.
There are two types of time ranges:
• Absolute —This type of time range begins on a specific date or
immediately and ends on a specific date or extends infinitely. It is created
in the Time Range pages. A recurring element can be added to it.
• Recurring — This is a time range element that is added to an absolute
range, and begins and ends on a recurring basis. It is defined in the Time
Range Recurrence pages.
If a time range includes both absolute and recurring ranges, the ACL is
activated only if both absolute start time and the recurring time range have
been reached. The ACL is deactivated when either of the time ranges is
reached.
The switch supports a maximum of 10 absolute time ranges.
All time specifications are interpreted as local time (Daylight Savings Time
does not affect this).
To ensure that the time range entries take effect at the desired times, the
system time must be set. For more information on setting the system time,
see "Time Synchronization" on page 169.
A possible use for this feature is to limit access of computers to the network
only during business hours, after which they are locked, and access to the rest
of the network is blocked.128 Dell PowerConnect 55xx Systems User Guide
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Absolute Time Range
To define an absolute time range:
1 Click Switching > Network Security > Time Range to display the Time
Range: Summary page.
Figure 8-10. Time Range: Summary
The existing Time Ranges are displayed.
2 To add a new time range, click Add.
3 Enter the name of the time range in the Time Range Name field.
4 Define the Absolute Start time.
– To begin the Time Range immediately, click Immediate.
– To determine at what time in the future the Time Range will begin,
enter values in the Date and Time fields.Dell PowerConnect 55xx Systems User Guide 129
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5 Define the Absolute End time.
– To indicate that the Time Range should not end, click Infinite.
– To determine the time at which the Time Range ends, enter values in
the Date and Time fields.
See "Configuring Time Ranges Using CLI Commands" on page 130 for the
CLI commands for creating time ranges.
Time Range Recurrence
To add a recurring time range element to an absolute time range:
1 Click Switching > Network Security > Time Range Recurrence to display
the Recurring Time Range: Summary page.
Figure 8-11. Recurring Time Range: Summary
A daily and weekly recurring element of the time range that is selected is
displayed if they exist.130 Dell PowerConnect 55xx Systems User Guide
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2 To add a recurring time range element to a time range, click Add.
3 Select the Time Range Name to which you want to add the Time Range
Recurrence. The Absolute Start and Absolute End fields are displayed.
4 Check if the recurrence is Daily or Weekly in Recurrence type.
5 If the recurrence is Daily, enter:
– Start Time — Select the time on which the time range starts.
– End Time— Select the time on which the time range ends.
– Weekday — Select the day of the week on which the time range
occurs.
6 If the recurrence is Weekly, enter:
• Start — Select the Day of the Week and Time on which the time
range starts.
• End —Select the Day of the Week and Time on which the time
range ends.
Configuring Time Ranges Using CLI Commands
The following table summarizes the CLI commands for configuring time
ranges.
Table 8-11. Time Range CLI Commands
CLI Command Description
time-range time-range-name
no time-range time-range-name
Enables time-range configuration
mode, and defines time ranges for
functions (such as access lists).
Use the no form of this command
to remove the time range
configuration.
absolute start hh:mm day month
year
no absolute start
absolute end hh:mm day month year
no absolute end
Adds start and end times to the
time range.
Use the no form of the commands
to remove the start and end times
from the time range.Dell PowerConnect 55xx Systems User Guide 131
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The following is an example of some of the CLI commands:
periodic day-of-the-week hh:mm to
day-of-the-week hh:mm
no periodic day-of-the-week hh:mm
to day-of-the-week hh:mm periodic
list hh:mm to hh:mm day-of-theweek1 [day-of-the-week2… day-ofthe-week7]
no periodic list hh:mm to hh:mm
day-of-the-week1 [day-of-theweek2… day-of-the-week7]
periodic list hh:mm to hh:mm all
no periodic list all hh:mm to
hh:mm all
Adds a recurring time range to the
time range.
Use the no form of the commands
to remove the recurring time
range.
console (config)# time-range http-allowed
console (config-time-range)# absolute start 12:00 1 jan
2005 end 12:00 31 dec 2005
console (config-time-range)# periodic monday 8:00 to
friday 20:00
Table 8-11. Time Range CLI Commands (Continued)
CLI Command Description132 Dell PowerConnect 55xx Systems User Guide
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Dot1x Authentication
This section describes Dot1x authentication.
It contains the following topics:
• Port-Based Authentication Overview
• Dot1x Overview
• Port-Based Authentication Global
• Port-Based Authentication Interface Settings
• Monitoring Users
• Host Authentication
• Port Authentication Users
Port-Based Authentication Overview
Port-based authentication enables authenticating system users on a per-port
basis via an external server. Only authenticated and approved system users
can transmit and receive data. Ports are authenticated via the RADIUS server
using the Extensible Authentication Protocol (EAP). Port Authentication
includes:
• Authenticators — Specifies the device port that is authenticated before
permitting system access.
• Supplicants — Specifies the host connected to the authenticated port hat
is requesting to access the system services.
• Authentication Server — Specifies the external server, for example, a
RADIUS server, which performs authentication on behalf of the
authenticator, and indicates whether the supplicant is authorized to access
system services.
Port-based authentication creates two access states:
• Controlled Access — Permits communication between the supplicant and
the system, if the supplicant is authorized.
• Uncontrolled Access — Permits uncontrolled communication, regardless
of the port authorization state.Dell PowerConnect 55xx Systems User Guide 133
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The device supports Port Based Authentication via RADIUS servers.
Dot1x Overview
Dot1x is an IEEE standard for port-based network access control. The Dot1x
framework enables a device (the supplicant) to request port access from a
remote device (authenticator) to which it is connected. The supplicant is
permitted to send data to the port only after it is authenticated and
authorized. If it is not authenticated and authorized, the authenticator
discards the supplicant data, unless the data is sent to a Guest VLAN and/or
non-authenticated VLANs.
Authentication of the supplicant is performed by an external RADIUS server
through the authenticator. The authenticator monitors the results of the
authentication.
In the Dot1x standard, a device can be a supplicant and an authenticator at a
port, simultaneously requesting and granting port access. However, this
device can only act as an authenticator, and does not take on the role of a
supplicant.
The following varieties of Dot1x exist:
• Single session Dot1x:
– A1—Single-session/Single Host — In this mode, the switch, as an
authenticator, supports a single Dot1x session, and grants permission
to use the port to an authorized supplicant. All other access requests,
made by other devices received from the same port, are denied until
the authorized supplicant is no longer using the port, or the access
request is to an unauthenticated or guest VLAN.
– Single-session/Multiple Hosts—This follows the Dot1x standard. In
this mode, the switch, as an authenticator, enables any device to use a
port, as long as it has been granted permission as a supplicant at the
port.
• Multi-Session Dot1x—Every device (supplicant) connecting to a port
must be authenticated and authorized by the switch (authenticator),
separately in a different Dot1x session. This is the only mode that supports
Dynamic VLAN Assignment (DVA).134 Dell PowerConnect 55xx Systems User Guide
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Dynamic VLAN Assignment (DVA)
Dynamic VLAN Assignment (DVA) is also referred to as RADIUS VLAN
Assignment in this guide. When a port is in Multiple Session mode and is
DVA-enabled, the switch automatically adds the port as an untagged member
of the VLAN that is assigned by the RADIUS server during the authentication
process. The switch classifies untagged packets to the assigned VLAN if the
packets originated from the devices or ports that are authenticated and
authorized.
For a device to be authenticated and authorized at a DVA-enabled port:
• The RADIUS server must authenticate the device and dynamically assign
a VLAN to the device.
• The assigned VLAN must not be the default VLAN and must have been
created on the switch.
• The switch must not be configured to use both a DVA and a MAC-based
VLAN group.
• A RADIUS server must support DVA with RADIUS attributes tunnel-type
(64) = VLAN (13), tunnel-media-type (65) = 802 (6), and tunnel-privategroup-id = a VLAN ID.
Dynamic Policy/ACL Assignment
The Dynamic Policy/ACL Assignment feature enables specifying a userdefined ACL or policy in the RADIUS server. After a successful
authentication, the user is assigned that ACL.
Authentication Methods
The possible authentication methods are:
• Dot1x — The switch supports this authentication mechanism, as
described in the standard, to authenticate and authorize Dot1x
supplicants.
• MAC-based — The switch can be configured to use this method to
authenticate and authorize devices that do not support Dot1x. The switch
emulates the supplicant role on behalf of the non-Dot1x-capable devices,
and uses the MAC address of the devices as the username and password,
when communicating with the RADIUS servers. MAC addresses for Dell PowerConnect 55xx Systems User Guide 135
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username and password must be entered in lower case and with no
delimiting characters (for example: aaccbb55ccff). To use MAC-based
authentication at a port:
– A Guest VLAN must be defined.
– The port must be Guest-VLAN-enabled.
– The packets from the first supplicant, at the port before it is
authorized, must be untagged.
You can configure a port to use Dot1x only, MAC-based only, or Dot1x and
MAC-based authentication. If a port is configured to use both Dot1x and
MAC-based authentication, a Dot1x supplicant has precedence over a
non-Dot1x device. The Dot1x supplicant preempts an authorized, but
non-Dot1x device, at a port that is configured with a single session.
Unauthenticated VLAN and Guest VLANs
Unauthenticated VLANs and Guest VLANs provide access to services that do
not require the subscribing devices or ports to be Dot1x or MAC-Based
authenticated and authorized.
An unauthenticated VLAN is a VLAN that allows access by authorized and
unauthorized devices or ports. You can configure one or more VLAN to be
unauthenticated in the VLAN Membership pages in "VLANs" on page 466.
An unauthenticated VLAN has the following characteristics:
• It must be a static VLAN, and cannot be the Guest VLAN or the default
VLAN.
• The VLAN’s member ports must be manually configured as tagged
members.
• The member ports must be trunk and/or general ports. An access port
cannot be member of an unauthenticated VLAN.
The Guest VLAN, if configured, is a static VLAN with the following
characteristics.
• It must be manually defined from an existing, static VLAN.
• It is automatically available only to unauthorized devices, or to ports of
devices that are connected and Guest VLAN enabled. 136 Dell PowerConnect 55xx Systems User Guide
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• If a port is Guest-VLAN-enabled, the switch automatically adds the port as
an untagged member of the Guest VLAN when the port is not authorized,
and removes the port from the Guest VLAN when the first supplicant of
the port is authorized.
• The Guest VLAN cannot be used as both the Voice VLAN and an
unauthenticated VLAN.
The switch also uses the Guest VLAN for authentication at ports configured
with Multiple Session mode and MAC-based authentication. Therefore, you
must configure a Guest VLAN before you can use the MAC-based
authentication mode.
For authentication to function, it must be activated both globally, in the PortBased Authentication Global page and individually on each port, in the PortBased Authentication Interface Settings pages.
Monitoring Mode
Monitoring mode enables providing users who fail authentication with
limited network access. This enables these users to correct the reason that the
authentication failed.
The following are the main aspects of this feature:
• Enables successful authentications using the returned RADIUS
information
• Provides a mechanism to report unsuccessful authentications without
negative repercussions to the user due to administrator errors
• Accurately reports the data received from the successful and nonsuccessful operations so that appropriate changes to problem areas may be
made.
The Dot1x monitoring activation command includes a special VLAN that is
used when there is no access interface configuration present and the client(s)
unsuccessfully authenticates. These clients are placed in the special VLAN.
For users that unsuccessfully authenticate during re-authentication process,
but already have existing VLANs configured, the failure to authenticate does
not put them in a disabled state but places them back to the existing
configuration.Dell PowerConnect 55xx Systems User Guide 137
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Port-Based Authentication Global
To globally configure authentication:
1 Click Switching > Network Security > Dot1 Authentication > Port
Based Authentication Global to display the Port Based Authentication
Global page.
Figure 8-12. Port Based Authentication Global
2 Enter the following fields:
– Port Based Authentication State — Enable/disable port-based
authentication.
– Authentication Method — Select an authentication method. The
possible options are: 138 Dell PowerConnect 55xx Systems User Guide
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• RADIUS, None — Perform port authentication first by using the
RADIUS server. If no response is received from RADIUS (for
example, if the server is down), then no authentication is
performed, and the session is permitted.
• RADIUS — Authenticate the user on the RADIUS server. If no
authentication is performed, the session is not permitted.
• None — Do not authenticate the user. Permit the session.
– Guest VLAN — Enable/disable the use of a Guest VLAN for
unauthorized ports. If a Guest VLAN is enabled, all unauthorized
ports automatically join the VLAN selected in the Guest VLAN ID
field. If a port is later authorized, it is removed from the Guest VLAN.
– VLAN List — Select the Guest VLAN from the VLAN list.
– Monitoring Mode — Enable/disable logging authentication attempts.
– Monitoring VLAN — Enter the ID of the VLAN to which traffic
being monitored is routed after unsuccessful Dot1x authentication.
– Accept Supplicant when Dynamic Policy/ACL Assignment Has No
Resources — If no resources remain in the TCAM, the system can
either reject (disable) or allow (enable) successful authentication.
Enabling Port-Based Authentication Globally Using the CLI Commands
The following table summarizes the CLI commands for enabling the port
based authentication as displayed in the Port Based Authentication Global
page.
Table 8-12. Port-Based Authentication Global CLI Commands
CLI Command Description
aaa authentication dot1x
default method1 [method2]
no aaa authentication dot1x
default
Specifies one or more AAA methods for
use on interfaces running IEEE 802.1X.
Use the no form of this command to
restore the default configuration.
dot1x system-auth-control
no dot1x system-auth-control
Enables 802.1x globally.
Use the no form of this command to
restore the default configuration.Dell PowerConnect 55xx Systems User Guide 139
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The following is an example of the CLI commands:
dot1x system-auth-control
monitor [vlan vlan-id]
no dot1x system-auth-control
monitor
Enables 802.1x globally the 802.1x
Monitoring mode and define the Monitor
VLAN.
Use the no format of the command to
return to default.
dot1x guest-vlan
no dot1x guest-vlan
Contains a list of VLANs. The guest
VLAN is selected from the VLAN List.
Use the no form of this command to
disable access.
show dot1x Displays 802.1X status for the device.
console(config)# aaa authentication dot1x default none
console(config)# interface vlan 5
console# show dot1x
802.1x is disabled
Admin Oper Reauth Reauth Username
Port Mode Mode Control Period
-------- ------------------ ------------- -------- ------- --------
gi1/0/1 Force Authorized Authorized* Disabled 3600 n/a
gi1/0/2 Force Authorized Authorized* Disabled 3600 n/a
gi1/0/3 Force Authorized Authorized* Disabled 3600 n/a
gi1/0/4 Force Authorized Authorized* Disabled 3600 n/a
Table 8-12. Port-Based Authentication Global CLI Commands (Continued)
CLI Command Description140 Dell PowerConnect 55xx Systems User Guide
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Port-Based Authentication Interface Settings
To configure 802.1x authentication on an interface:
1 Click Switching > Network Security > Dot1 Authentication > Port
Based Authentication Interface Settings to display the Port Based
Authentication Interface Settings: Summary page.
Figure 8-13. Port Based Authentication Interface Settings
Port parameters for the selected unit are displayed.
2 Click Edit.
3 Select a port for which the authentication parameters apply in the
Interface drop-down list.
4 Enter the parameters:
– User Name — Displays the username of the port.
– Admin Interface Control — Select the port authorization state. The
possible options are:
• Auto — Enables port-based authentication on the interface. The
interface moves between an authorized or unauthorized state,
based on the authentication exchange between the device and the
client.Dell PowerConnect 55xx Systems User Guide 141
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• Authorized — Places the interface into an authorized state
without being authenticated. The interface resends and receives
normal traffic without client port-based authentication.
• Unauthorized — Denies the selected interface system access by
moving the interface into unauthorized state. The device cannot
provide authentication services to the client through the
interface.
– Current Interface Control — Displays the current port authorization
state.
– Authentication Type — Select the type of authentication on the port.
The possible options are:
• 802.1x Only — 802.1X authentication is the only authentication
method performed on the port.
• MAC Only — Port is authenticated, based on the supplicant
MAC address. Only eight MAC-based authentications can be
used on the port.
• 802.1x & MAC — Both 802.1X and MAC-based authentication
are performed on the switch. The 802.1X authentication takes
precedence.
NOTE: For MAC authentication to succeed, the RADIUS server supplicant
username and password must be the supplicant MAC address. The MAC
address must be in lower case letters and entered without the “:” or “-”
separators; for example: 0020aa00bbcc.
– Dynamic VLAN Assignment — Enable/disable dynamic VLAN
assignment for this port. This feature enables you to automatically
assign users to VLANs during the RADIUS server authentication.
When a user is authenticated by the RADIUS server, the user is
automatically joined to the VLAN configured on a RADIUS server.
• Port Lock and Port Monitor should be disabled when DVA is
enabled.
• Dynamic VLAN Assignment (DVA) can occur only if a RADIUS
server is configured, and port authentication is enabled and set to
802.1x multi-session mode.
• If the RADIUS Accept Message does not contain the supplicant’s
VLAN, the supplicant is rejected.142 Dell PowerConnect 55xx Systems User Guide
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• Authenticated ports are added to the supplicant VLAN as
untagged.
• Authenticated ports remain unauthenticated VLAN and Guest
VLAN members. Static VLAN configuration is not applied to the
port.
• The following list of VLANs cannot participate in DVA: an
Unauthenticated VLAN, a Dynamic VLAN that was created by
GVRP, a Voice VLAN, a Default VLAN and a Guest VLAN.
• Delete the supplicant VLAN while the supplicant is logged in.
The supplicant is authorized during the next re-authentication if
this supplicant VLAN is re-created, or a new VLAN is configured
on the RADIUS server.
NOTE: DVA provides the same functionality as the MAC to VLAN Assignment
feature, but does so in a standard way. Therefore, when DVA is available,
MAC to VLAN Assignment is not available.
– Guest VLAN — Enable/disable port access to the Guest VLAN. If
enabled, unauthorized users, connected to this interface, can access
the Guest VLAN.
– Dynamic Policy / ACL Assignment — Enable/disable this feature.
– Periodic Reauthentication — Select to enable port re-authentication
attempts after the specified Reauthentication Period.
– Reauthentication Period (300-4294967295) — Enter the number of
seconds after which the selected port is reauthenticated.
– Reauthenticate Now — Select to enable immediate port
re-authentication.
– Authentication Server Timeout (1-65535) — Enter the time interval
that lapses before the device resends a request to the authentication
server. The field value is specified in seconds.
– Resending EAP Identity Request (1-65535) — Enter the amount of
time that lapses before EAP request are resent.
– Quiet Period (0-65535) — Enter the number of seconds that the
device remains in the quiet state, following a failed authentication
exchange.Dell PowerConnect 55xx Systems User Guide 143
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– Supplicant Timeout (1-65535) — Enter the amount of time that
lapses before EAP requests are resent to the supplicant. The field
value is in seconds.
– Max EAP Requests (1-10) — Enter the maximum number of EAP
requests that can be sent. If a response is not received after the defined
period (supplicant timeout), the authentication process is restarted.
Enabling Port-Based Authentication on Interfaces Using the CLI Commands
The following table summarizes the CLI commands for enabling the port
based authentication as displayed in the Port Based Authentication Global
page.
Table 8-13. Port-Based Authentication Interface CLI Commands
CLI Command Description
dot1x port-control {auto |
force-authorized | forceunauthorized}
no dot1x port-control
Enables manual control of the port
authorization state.
Use the no form of this command to
restore the default configuration.
dot1x mac-authentication
{mac-only|mac-and-802.1x}
no dot1x mac-authentication
Enables authentication based on the
station’s MAC address.
Use the no form of this command to
disable access.
dot1x radius-attributes vlan
no dot1x radius-attributes
vlan
Enables user-based VLAN assignment.
Use the no form of this command to
disable user-based VLAN assignment.
dot1x guest-vlan enable
no dot1x guest-vlan enable
Enables unauthorized users on the
interface access to the guest VLAN.
Use the no form of this command to
disable access.
dot1x max-req count
no dot1x max-req
Sets the maximum number of times that
the device sends an EAP to the client,
before restarting the authentication
process.
Use the no form of this command to
restore the default configuration.144 Dell PowerConnect 55xx Systems User Guide
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dot1x re-authentication
no dot1x re-authentication
Enables periodic re-authentication of the
client.
Use the no form of this command to
restore the default configuration.
dot1x timeout re-authperiod
seconds
no dot1x timeout supp-timeout
Sets the number of seconds between reauthentication attempts.
Use the no form of this command to
restore the default configuration.
dot1x re-authenticate
[[gigabitethernet|tengigabit
ethernet] port-number]
Manually initiates a re-authentication of
all 802.1X-enabled ports or the specified
802.1X-enabled port.
dot1x timeout quiet-period
seconds
no dot1x timeout quiet-period
Sets the number of seconds that the
device remains in the quiet state following
a failed authentication exchange.
Use the no form of this command to
restore the default configuration.
dot1x timeout server-timeout
seconds
no dot1x timeout servertimeout
Sets the time for the retransmission of
packets to the authentication server.
Use the no form of this command to
restore the default configuration.
dot1x timeout supp-timeout
seconds
no dot1x timeout supp-timeout
Sets the time for the retransmission of an
EAP request frame to the client.
Use the no form of this command to
restore the default configuration.
dot1x timeout tx-period
seconds
no dot1x timeout tx-period
Sets the number of seconds that the
device waits for a response to an EAP -
request/identity frame, from the client,
before resending the request.
Use the no form of this command to
restore the default configuration.
show dot1x
[[gigabitethernet|tengigabit
ethernet] port-number]
Displays 802.1X status for the device or
for the specified interface.
Table 8-13. Port-Based Authentication Interface CLI Commands (Continued)
CLI Command DescriptionDell PowerConnect 55xx Systems User Guide 145
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The following is an example of the CLI commands:
show dot1x advanced Displays 802.1X advanced features for the
switch or specified interface.
show dot1x users [username
username]
Displays 802.1X users for the device.
dot1x guest-vlan enable
no dot1x guest-vlan enable
Enables using a guest VLAN for
unauthorized ports.
Use the no form of this command to
restore the default configuration.
console(config)# aaa authentication dot1x default none
console(config)# interface vlan 5
console(config-if)# dot1x auth-not-req
console(config)# vlan database
console(config-vlan)# vlan 2
console(config-vlan)# exit
console(config)# interface vlan 2
console(config-if)# dot1x guest-vlan
console# show dot1x
Interface Admin
Mode
Oper Mode Reauth
Control
Reauth
Period
Username
-------- ------- ---------- -------- ------ --------
gi1/0/1 Auto Authorized Enabled 3600 Bob
gi1/0/2 Auto Authorized Enabled 3600 John
gi1/0/3 Auto Unauthoriz
ed
Enabled 3600 Clark
gi1/0/4 Forceauth
Authorized Disabled 3600 n/a
Table 8-13. Port-Based Authentication Interface CLI Commands (Continued)
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Monitoring Users
Use the Monitoring Users page to view rejected users.
1 Click Switching > Network Security > Dot1 Authentication >
Monitoring Users to display the Monitoring Users page.
Figure 8-14. Monitoring Users
2 Select a supplicant that was authenticated on the port. The supplicant’s
information is displayed.
– User Name — Name assigned to this port.
– Port — Number of port.
– VLAN — Port belongs to this VLAN.
– MAC Address — Source of traffic.
– Reject Reason — Reason that traffic was rejected. See Table 8-14 for a
list of the possible reject reasons.
– Time — Time that traffic was rejected.Dell PowerConnect 55xx Systems User Guide 147
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Table 8-14. Reject Reason Description
Abbreviation Description
ACL-DEL ACL was deleted by a user.
ACL-NOTEXST ACL sent by the RADIUS server does not exist on the device.
ACL-OVRFL ACL sent by the RADIUS server cannot be applied because of
TCAM overflow.
AUTH-ERR Rejected by RADIUS due to wrong user name or password in
the RADIUS server.
FLTR-ERR RADIUS accept message contains more than two filter IDs.
FRS-MTH-DENY First method is deny.
IPv6WithMAC RADIUS accept message contains filter with IPv6 DIP and
MAC addresses.
IPV6WithNotIP RADIUS accept message contains IPv6 and not IP
simultaneously.
POL-BasicMode Policy is not supported in the QoS basic mode.
POL-DEL Policy was deleted by a user.
POL-OVRFL Policy sent by radius server can not be applied because of
TCAM overflow.
RAD-APIERR RADIUS API returned error (e.g. No RADIUS server is
configured).
RAD_INVLRES RADIUS server returned invalid packet (e.g. EAP attribute is
missing).
RAD-NORESP RADIUS server is not responding.
VLAN-DFLT VLAN sent by a RADIUS server cannot be applied because it
is the default VLAN.
VLAN-DYNAM VLAN sent by RADIUS server cannot be applied because it is
a dynamic VLAN.
VLAN-GUEST VLAN sent by RADIUS server cannot be applied because it is
the Guest VLAN.148 Dell PowerConnect 55xx Systems User Guide
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Monitoring Users Using the CLI Commands
The following table summarizes the CLI commands for monitoring users:
The following is an example of the CLI commands:
Table 8-15. Monitoring Users CLI Commands
CLI Command Description
show dot1x monitoring result
[username username]
Displays the captured information of each
interface/host on the switch/stack.
console# show dot1x monitoring Tom
Username: Tom
Port g1
Quiet period: 60 Seconds
Tx period: 30 Seconds
Max req: 2
Supplicant timeout: 30 Seconds
Server timeout: 30 Seconds
Session Time (HH:MM:SS): 08:19:17
MAC Address: 00:08:78:32:98:78
Authentication Method: Remote
Assigned VLAN: 207
Reason for Failure:VLAN was not defined on SwitchDell PowerConnect 55xx Systems User Guide 149
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Host Authentication
Use the Host Authentication page to define the authentication mode on the
port, and the action to perform if a violation is detected.
To view ports and their authentication information:
1 Click Switching > Network Security > Dot1 Authentication > Host
Authentication to display the Host Authentication: Summary page.
Figure 8-15. Host Authentication: Summary
A list of the ports and their authentication modes is displayed. The fields
are defined on the Edit page with the exception of the following field:
– Single Host Status — Displays the host status. The possible options
are:
• Unauthorized — The port control is Force Unauthorized, the
port link is down or the port control is Auto, but a client has not
been authenticated via the port.150 Dell PowerConnect 55xx Systems User Guide
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• Not in Auto Mode — The port control is Forced Authorized, and
clients have full port access.
• Single-host Lock — The port control is Auto and a single client
has been authenticated via the port.
• No Single Host — Multiple Host is enabled.
– Number of Violations — Displays the number of packets that arrive
on the interface in single-host mode, from a host whose MAC address
is not the supplicant MAC address.
2 Click Edit.
3 In the Port drop-down list, select the port to which you want to apply the
authentication mode.
4 Enter the fields:
– Host Authentication — Define the host authentication type. The
options are:
• Single — Only a single authorized host can access the port. (Port
Security cannot be enabled on a port in single-host mode.)
• Multiple Host — Multiple hosts can be attached to a single
802.1x-enabled port. Only the first host must be authorized, and
then the port is wide-open for all who want to access the network.
If the host authentication fails, or an EAPOL-logoff message is
received, all attached clients are denied access to the network.
• Multiple Session — A number of specific authorized hosts may
access the port. Each host is treated as if it was the first and only
user and must be authenticated. Filtering is based on the source
MAC address.
– Action on Single Host Violation — Select the action to be applied to
packets arriving in Single Session/Single Host mode, from a host
whose MAC address is not the supplicant MAC address. The options
are:
• Discard — Discard the packets from any unlearned source.
• Forward — Forward the packets from an unknown source,
however, the MAC address is not learned.Dell PowerConnect 55xx Systems User Guide 151
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• Shutdown — Discard the packet from any unlearned source and
shut down the port. Ports remain shutdown until they are
activated, or the switch is reset.
Host Authentication pages:
The following is an example of the CLI commands:
Table 8-16. Host Authentication CLI Commands
CLI Command Description
dot1x host-mode {multihost|single-host|multisessions}
Allows a single host (client) or multiple
hosts on an IEEE 802.1x-authorized port.
dot1x traps macauthentication failure
no dot1x traps macauthentication failure
Enables sending traps when a MAC
address is successfully authenticated by
the 802.1X mac-authentication access
control.
Use the no form of this command to
disable the traps.
dot1x traps macauthentication success
no dot1x traps macauthentication success
Enables sending traps when MAC address
was failed in authentication of the 802.1X
MAC authentication access control.
Use the no form of this command to
disable the traps.
dot1x violation-mode
{restrict | protect |
shutdown}
no dot1x violation-mode
Configures the action to be taken, when a
station whose MAC address is not the
supplicant MAC address, attempts to
access the interface.
Use the no form of this command to
return to default.
show dot1x advanced
[gigabitethernet|tengigabite
thernet] port-number]
Displays 802.1x advanced features for the
device or specified interface.
console(config)# interface gi1/0/1
console(config-if)# dot1x host-mode multi-host
console(config-if)# dot1x host-mode single-host
console(config-if)# dot1x host-mode multi-sessions152 Dell PowerConnect 55xx Systems User Guide
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Port Authentication Users
The Port Authentication Users page enables you to view users that attempted
to be authenticated.
To view ports and their authentication definitions:
1 Click Switching > Network Security > Dot1 Authentication > Port
Authentication Users to display the Port Authentication Users page.
Figure 8-16. Port Authentication Users
The ports and their authentication definitions are displayed.
– User Name — Supplicant names that were authenticated on each
port.
– Port — Number of port.
– Session Time — Amount of time (in seconds) that the supplicant was
logged on the port.Dell PowerConnect 55xx Systems User Guide 153
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– Authentication Method — Method by which the last session was
authenticated. The options are:
• None—No authentication is applied; it is automatically
authorized.
• RADIUS—Supplicant was authenticated by a RADIUS server.
• MAC Address—Displays the supplicant MAC address.
– MAC Address — MAC address of user who attempted to be
authenticated.
– VLAN — VLAN assigned to the user.
– Filter — Filter that was applied to the user by receiving the
policy/ACL name from the RADIUS server (Dynamic ACL
Assignment).
2 Click Details to view the names of the VLAN filters (Filter #1 and Filter
#2) defined on the port, in addition to the above fields.154 Dell PowerConnect 55xx Systems User Guide
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Display Port Authentication Users Using the CLI Commands
The following table summarizes the CLI commands for displaying port
authentication users:
The following is an example of the CLI commands:
Table 8-17. Display Port Authentication Users CLI Commands
CLI Command Description
show dot1x users Displays active 802.1x authenticated users for the
device.
console# show dot1x users
Port User Session Auth MAC VLAN Filter
Name Time Method Address
------ ----- ----------- -------- -------------- ---- ------
gi1/0/1 Bob 1d 03:08:58 Remote 0008.3b79.8787 3
Port User Session Auth MAC VLAN Filter
Name Time Method Address
------ ----- ----------- -------- -------------- ---- ------
gi1/01 Bob 1d 09:07:38 Remote 0008.3b79.8787 3 OK
gi1/01 Tim 03:08:58 Remote 0008.3b79.3232 9 OK
gi1/03 Paul 02:12:48 Remote 0008.3b89.8237 8 Warning
console# show dot1x users username Bob
Port User Session Auth MAC VLAN Filter
Name Time Method Address
------ ----- ----------- -------- -------------- ---- ------
gi1/01 Bob 1d 09:07:38 Remote 0008.3b79.8787 3 OKTemplate Last Updated - 2/7/2007Dell PowerConnect 55xx Systems User Guide 155
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9
Configuring System Information
This section describes how to set system parameters, such as security features,
switch software, system time, logging parameters and more.
It contains the following topics:
• General Switch Information
• Time Synchronization
• Logs
• IP Addressing
• Diagnostics
• Management Security
• DHCP Server
• DHCP Server
• File Management
• Stack Management
• sFlow156 Dell PowerConnect 55xx Systems User Guide
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General Switch Information
This section describes how to view and set general switch parameters.
It contains the following topics:
• Asset Information
• System Health
• Power over Ethernet
Asset Information
Use the Asset page to view and configure general device information,
including the system name, location, contact, system MAC Address, System
Object ID, date, time, and system up time.
To configure general device parameters:
1 Click System > General > Asset in the tree view to display the Asset page.
Figure 9-1. AssetDell PowerConnect 55xx Systems User Guide 157
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2 Enter/view the parameters:
– System Name (0-159 Characters) — Enter the user-defined device
name.
– System Contact (0-159 Characters) — Enter the name of the contact
person.
– System Location (0-159 Characters) — Enter the location where the
system is currently running.
– MAC Address — Displays the device MAC address.
– Sys Object ID — Displays the vendor's authoritative identification of
the network management subsystem contained in the entity.
– Date — Enter the current date (mandatory). This date can also be
entered in the Manual Time Settings page. If SNTP has been defined,
but the SNTP server is not available, the switch uses the date and time
in this field and the Time field.
– Time — Enter the current time (mandatory). This time can also be
entered in the Manual Time Settings page. If SNTP has been defined,
but the SNTP server is not available, the switch uses the date and time
in this field and the Date field.
– System Up Time — Displays the amount of time since the last device
reset.
3 For each unit in the stack (displayed in Unit No.), the following
information is displayed:
– Service Tag — Displays the service reference number used when
servicing the device.
– Asset Tag — Enter the device asset tag.
– Serial No. — Displays the device serial number.
4 Enter the Asset Tag (0-16 Characters) for each unit in the stack. This is
the user-defined reference for the unit.158 Dell PowerConnect 55xx Systems User Guide
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Entering Asset Information Using the CLI Commands
The following table summarizes the CLI commands for entering fields
displayed on the Asset page.
The following is an example of the CLI commands
Table 9-1. Asset CLI Command
CLI Command Description
snmp-server contact text
no snmp-server contact
Configures the system contact
(sysContact) name.
Use the no form of the command to
remove the system contact
information.
snmp-server location text
no snmp-server location
Configures the system location
string.
Use the no form of this command to
remove the location string.
hostname name
no hostname
Specifies the device host name.
Use the no form of the command to
remove the existing host name.
clock set hh:mm:ss
{month|day} year
Sets the system clock to this time.
asset-tag [unit unit] tag
no asset-tag [unit unit]
Assigns the asset tag to the unit.
Removes the asset tag from the unit.
console (config)# asset-tag 2365491870Dell PowerConnect 55xx Systems User Guide 159
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System Health
To view the device’s power information and set fan administration state:
1 Click System > General > System Health in the tree view to display the
System Health page.
Figure 9-2. System Health
The System Health page displays the following fields:
– Unit No. — The unit in the stack for which information is displayed.
Power Supply Status —Displays the following columns:
– PS — The power status of the internal power unit. The possible
options are:
• Checked — The power supply is operating normally.
• Unchecked — The power supply is not operating normally.
• Not Present — The power supply is currently not present.160 Dell PowerConnect 55xx Systems User Guide
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– RPS — The device has one of two auxiliary power supplies:
Redundant Power Supply (RPS) for non-PoE devices and Modular
Power Supply (MPS) for PoE devices. Only one of these may be
present at one time. For each type of power supply, the possible
options are:
• Checked — The power supply is operating normally.
• Unchecked — The power supply is not operating normally.
• Not Present — The power supply is currently not present.
– Temperature — Displays the temperature on the device.
– Fan Status — The device has two fans. The device constantly
measures the internal temperature, and powers the fans on/off
according to the temperature. The user can set the fans to be
constantly on. The possible options are:
• Checked — The fans are operating normally.
• Unchecked — At least one of the fans is not operating
normally.
– Fan Admin State — On/Auto status that user configured in the Edit
page.
– Fan Current Level — Specifies whether the fan is actually on or off.
2 The lower block displays the condition under which a fan will be turned on
or off.
– Fan Level — The on or off level.
– Condition — The temperature at which the fans will be turned on or
off. The device temperature is displayed in Celsius. The device
temperature threshold is 40 C (104 F).Table 9-2 displays the
temperature in Fahrenheit in increments of 5.
NOTE: It is recommended to leave Fan User Level at Auto so that the fans
operate according to the temperature of the switch.
3 To control the fans on a unit, or set the default value, click Edit, and enter
the fields:
– Unit ID — Select the unit ID whose fan will be adjusted.Dell PowerConnect 55xx Systems User Guide 161
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– Fan Admin State — Set one of the options:
• Auto — Fans are turned on when the internal temperature of the
switch is higher than the threshold displayed on the Summary
page in the Condition field.
• ON — Turns fan on under all conditions
Table 9-2. Celsius to Fahrenheit Conversion Table
Viewing System Health Information Using the CLI Commands
The following table summarizes the CLI commands for viewing fields
displayed on the System Health page.
Celsius Fahrenheit
0 32
5 41
10 50
15 59
20 68
25 77
30 86
35 95
40 104
Table 9-3. System Health CLI Command
CLI Command Description
show system [unit unit] Displays system information.
system fans always-on
[unit unit]
no system fans always-on
Sets the system fans to On regardless of device
temperature.
Use the no form of the command to return to
default
show system fans Displays the fans’ status.162 Dell PowerConnect 55xx Systems User Guide
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The following is an example of the CLI commands:
Power over Ethernet
A Power over Ethernet (PoE) switch is a type of PSE (Power Sourcing
Equipment) that delivers electrical power to connected Powered Devices
(PDs) over existing copper cables, without interfering with the network
traffic, updating the physical network or modifying the network
infrastructure.
Using PoE eliminates the need to:
• Place all network devices next to power sources.
• Deploy double-cabling systems, significantly decreasing installation costs.
PoE can be used in any network that deploys relatively low-powered devices
connected to the Ethernet LAN. PDs are devices that receive power from the
PowerConnect power supplies, such as:
• IP phones
console# show system
Unit Type
---- ----------------------
2 PowerConnect 5548
Unit Main Power Supply Redundant Power Supply
---- ----------------- ----------------------
2 OK
Unit Fans Status
---- -------------
2 OK
Unit Temperature (Celsius) Temperature Sensor Status
---- ------------------------- ---------------------
2 41 OK
Unit Up time
---- ---------------
2 02,00:03:32Dell PowerConnect 55xx Systems User Guide 163
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• Wireless access points
• IP gateways
• Audio and video remote monitoring devices
PDs are connected to the device via the Gigabit ports.
Error Conditions
Traps are generated when the following occur:
• Status change to port delivering/not delivering power to PD.
• Indication that power usage is above the defined threshold.
• Indication that power usage is below the threshold.164 Dell PowerConnect 55xx Systems User Guide
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Configuring PoE
To configure PoE parameters on devices equipped with PoE:
1 Click System > General > Power over Ethernetin the tree view to display
the Power Over Ethernet: Summary page.
Figure 9-3. Power Over Ethernet: Summary
2 The PoE global parameters are displayed:
– Power Status — The inline power source status.
• On — The power supply unit is functioning.
• Off — The power supply unit is not functioning.
• Faulty — The power supply unit is functioning, but an error has
occurred, for example, a power overload or a short circuit.
– Nominal Power — The actual amount of power the device can supply,
in watts.Dell PowerConnect 55xx Systems User Guide 165
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– Consumed Power — The amount of the power used by the device, in
watts.
3 Enter the following parameters:
– Power Limit Mode — Enter one of the following options for the
system power limit mode.
• Port — The power limit of the port depends on port
configuration.
• Max Port Power — In this mode, each port can get up to the
maximum power, which is 15.4W.
– System Usage Threshold (1-99 Percent) — Enter the percentage of
power consumed before a trap is generated.
– Traps — Enable/disable PoE traps on the device. If enabled, traps are
generated if one of the following situations occurs:
• Status change to port delivering/not delivering power to PD
• Indication that power usage is above the defined threshold
• Indication that power usage is below the threshold
NOTE: If traps are enabled, you must also enable SNMP, and configure at least one SNMP
notification recipient.
4 To view PoE port settings for a unit in the stack, select its Unit ID. The
port PoE parameters are displayed for all ports on the unit. The fields
displayed in this block are described in the Edit page.
5 To set PoE settings for a port, click Edit.
6 Select a port in the Port field, and enter the following PoE parameters for
the PDs connected to this port.
– PoE Admin Status — Select the device PoE mode. The possible
options are:
• Auto — Enables the Device Discovery protocol, and provides
power to the device using the PoE unit. The Device Discovery
Protocol enables the device to discover Powered Devices attached
to the device interfaces, and to learn their classification.
• Never — Disables the Device Discovery protocol, and stops the
power supply to the device using the PoE module.166 Dell PowerConnect 55xx Systems User Guide
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– Power Priority Level— Enter the priority that determines the power
that is used if the power supply is from Critical to Low. If, for
example, the power supply is running at 99% usage, and port 1 is
prioritized as Critical, but port 3 is prioritized as Low, port 1 is will
receive power before port 3.
– Power Limit (0-15.4) — Enter the maximum amount of power
that the PoE unit may deliver to this port.
– Powered Device (0-24 characters) — Enter a user-defined
description of the PD connected to the port, such as: "Bob Smith’s
telephone".
The following fields are displayed on this page:
– PoE Operational Status — Whether the port is currently providing
power. If it is not providing power, the reason is displayed.
– Power Consumption — The amount of power being consumed by
the powered device.
– Overload Counter — Total power overload occurrences.
– Short Counter — Total power shortage occurrences.
– Denied Counter — Number of times the powered device was
denied power.
– Absent Counter— Number of times the power supply was stopped to
the PD because it was no longer detected.
– Invalid Signature Counter — Number of times an invalid signature
was received. Signatures are the means by which the powered device
identifies itself to the PSE. Signatures are generated during powered
device detection, classification, or maintenance.Dell PowerConnect 55xx Systems User Guide 167
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Managing PoE Using the CLI Commands
The following table describes the CLI commands for viewing fields displayed
on the Power Over Ethernet pages.
Table 9-4. Power Over Ethernet CLI Commands
CLI Command Description
power inline {auto|never} Configures the administrative
status of the inline power on an
interface.
power inline powered-device pdtype
no power inline powered-device
Adds a description of the powered
device type. Use the no version of
the command to remove the
description.
Use the no form of this command
to restore the default
configuration.
power inline priority
{critical|high|low}
no power inline priority
Configures the priority of the
interface from the point of view of
inline power management.
Use the no form of this command
to restore the default
configuration.
power inline usage-threshold
no power inline usage-threshold
Configures the threshold for
triggering alarms.
Use the no form of this command
to restore the default
configuration.
power inline traps enable
no power inline traps enable
Enables PoE device traps.
Use the no form of this command
to disable traps.
power inline limit-mode {maxport-power|port}
no power inline limit-mode
Sets the power limit mode of the
system.
Use the no form of this command
to return to default.168 Dell PowerConnect 55xx Systems User Guide
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The following is an example of the CLI commands:
show power inline
[[[gigabitethernet|tengigabitethe
rnet]port-number]|module stackmember-number]
Displays PoE configuration
information for all interfaces or for
a unit in the stack.
console# show power inline
Unit Power Nominal Power Consumed Power Usage Threshold Traps
---- ------- ------------- ------------------ --------------- -----
1 Off 1 Watts 0 Watts (0%) 95 Disable
2 Off 1 Watts 0 Watts (0%) 95 Disable
3 Off 1 Watts 0 Watts (0%) 95 Disable
4 Off 1 Watts 0 Watts (0%) 95 Disable
Table 9-4. Power Over Ethernet CLI Commands (Continued)
CLI Command DescriptionDell PowerConnect 55xx Systems User Guide 169
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Time Synchronization
The system clock runs from the moment the system starts up, and keeps track
of the date and time.
The date and time may be either set manually, or it may be received from an
SNTP server.
This section describes how to set system time, and contains the following
sections:
• Manual Time Settings
– Setting System Time and Daylight Savings Time
– CLI Commands for Setting Manual Time
• System Time from an SNTP Server
– Global Settings (Clock Source)
– SNTP Global Settings
– SNTP Authentication
– SNTP Servers
– SNTP Interfaces
– CLI Script for Receiving Time from an SNTP Server
Manual Time Settings
This section describes how to set the system time manually on the device.
It contains the following topics:
• Setting System Time and Daylight Savings Time
• CLI Commands for Setting Manual Time170 Dell PowerConnect 55xx Systems User Guide
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Setting System Time and Daylight Savings Time
Use the Manual Time Settings page to set system date/time manually (as
opposed to receiving them from an external SNTP server). For more
information on SNTP, see "System Time from an SNTP Server" on page 177.
If system time is kept using an external SNTP clock, and the external SNTP
clock fails, the system time reverts to the time set here or in the Asset page.
In addition to setting the local clock, you can use this page to enable Daylight
Savings Time (DST) on the device.
The following is a list of DST start and end times in various countries:
• Albania — Last weekend of March until the last weekend of October.
• Australia — From the end of October until the end of March.
• Australia - Tasmania — From beginning of October until the end of
March.
• Armenia — Last weekend of March until the last weekend of October.
• Austria — Last weekend of March until the last weekend of October.
• Bahamas — From April to October, in conjunction with U.S. summer
hours.
• Belarus — Last weekend of March until the last weekend of October.
• Belgium — Last weekend of March until the last weekend of October.
• Brazil — From the 3rd Sunday in October until the 3rd Saturday in
March. During the period of Daylight Saving Time, Brazilian clocks go
forward one hour in most of the Brazilian southeast.
• Chile — Easter Island 9th March 12th October. The first Sunday in March
or after 9th March.
• China — China does not operate Daylight Saving Time.
• Canada — From the first Sunday in April until the last Sunday of October.
Daylight Saving Time is usually regulated by provincial and territorial
governments. Exceptions may exist in certain municipalities.
• Cuba — From the last Sunday of March to the last Sunday of October.
• Cyprus — Last weekend of March until the last weekend of October.
• Denmark — Last weekend of March until the last weekend of October.
• Egypt — Last Friday in April until the last Thursday in September. Dell PowerConnect 55xx Systems User Guide 171
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• Estonia — Last weekend of March until the last weekend of October.
• Finland — Last weekend of March until the last weekend of October.
• France — Last weekend of March until the last weekend of October.
• Germany — Last weekend of March until the last weekend of October.
• Greece — Last weekend of March until the last weekend of October.
• Hungary — Last weekend of March until the last weekend of October.
• India — India does not operate Daylight Saving Time.
• Iran — From 1st Farvardin until the 1st Mehr.
• Iraq — From 1st April until 1st October.
• Ireland — Last weekend of March until the last weekend of October.
• Israel — Varies year-to-year.
• Italy — Last weekend of March until the last weekend of October.
• Japan — Japan does not operate Daylight Saving Time.
• Jordan — Last weekend of March until the last weekend of October.
• Latvia — Last weekend of March until the last weekend of October.
• Lebanon — Last weekend of March until the last weekend of October.
• Lithuania — Last weekend of March until the last weekend of October.
• Luxembourg — Last weekend of March until the last weekend of October.
• Macedonia — Last weekend of March until the last weekend of October.
• Mexico — From the first Sunday in April at 02:00 to the last Sunday in
October at 02:00.
• Moldova — Last weekend of March until the last weekend of October.
• Montenegro — Last weekend of March until the last weekend of October.
• Netherlands — Last weekend of March until the last weekend of October.
• New Zealand — From the first Sunday in October until the first Sunday
on or after 15th March.
• Norway — Last weekend of March until the last weekend of October.
• Paraguay — From 6th April until 7th September.
• Poland — Last weekend of March until the last weekend of October.
• Portugal — Last weekend of March until the last weekend of October.172 Dell PowerConnect 55xx Systems User Guide
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• Romania — Last weekend of March until the last weekend of October.
• Russia — From the 29th March until the 25th October.
• Serbia — Last weekend of March until the last weekend of October.
• Slovak Republic — Last weekend of March until the last weekend of
October.
• South Africa — South Africa does not operate Daylight Saving Time.
• Spain — Last weekend of March until the last weekend of October.
• Sweden — Last weekend of March until the last weekend of October.
• Switzerland — Last weekend of March until the last weekend of October.
• Syria — From 31st March until 30th October.
• Taiwan — Taiwan does not operate Daylight Saving Time.
• Turkey — Last weekend of March until the last weekend of October.
• United Kingdom — Last weekend of March until the last weekend of
October.
• United States of America — From the second Sunday of March at 02:00
to the first Sunday of November at 02:00.Dell PowerConnect 55xx Systems User Guide 173
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To manually set the device time:
1 Click System > Time Synchronization > Manual Time Settingsin the
tree view to display the Manual Time Settings page.
Figure 9-4. Manual Time Settings
2 Enter the following local settings:
– Date — The system date.
– Local Time — The system time.
– Time Zone Offset — The difference between Greenwich Mean Time
(GMT) and local time. For example, the Time Zone Offset for Paris is
GMT +1:00, while the local time in New York is GMT –5:00.
3 To set Daylight Savings Time (DST), select the Daylight Savings field and
select one of the possible options:
– USA — The device switches to DST at 2 a.m. on the second Sunday
of March, and reverts to standard time at 2 a.m. on the first Sunday of
November. 174 Dell PowerConnect 55xx Systems User Guide
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– European — The device switches to DST at 1:00 am on the last
Sunday in March, and reverts to standard time at 1:00 am on the last
Sunday in October. The European option applies to EU members,
and other European countries using the EU standard.
– Other — Specifies that you will set DST manually in the fields
described below.
If you selected USA or European you are finished. If you selected Other,
proceed to the next step.
There are two types of DST possible when Others is selected. You can set a
specific date in a particular year, or you can set a recurring setting,
irrespective of the year. For a specific setting in a particular year, complete
the Daylight Savings area, and for a recurring setting, complete the
Recurring area.
If Other is selected, the From and To fields must be defined either in the
Non-recurring or Recurring section.
4 To enter non-recurring DST parameters, enter the following fields:
– From — The time that DST begins. The possible options are:
• DD/MMM/YY — The date, month, and year at which DST
begins.
• HH/MM — The time (hour and minutes) at which DST begins.
– To — The time that DST ends. The possible options are:
• DD/MMM/YY — The date, month, and year at which DST ends.
• HH/MM — The time (hour and minutes) at which DST ends.
5 To enter recurring DST parameters, select Recurring and enter the
following fields:
– From — The time that DST begins each year, for example, DST
begins locally every second Sunday in April at 5:00 am. The possible
options are:
• Day — The day of the week from which DST begins every year.
• Week — The week within the month from which DST begins
every year.
• Month — The month of the year in which DST begins every year. Dell PowerConnect 55xx Systems User Guide 175
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• Time — The time at which DST begins every year.
– To — The recurring time that DST ends each year, for example, DST
ends locally every fourth Friday in October at 5:00 am. The possible
options are:
• Day — The day of the week at which DST ends every year.
• Week — The week within the month at which DST ends every
year.
• Month — The month of the year in which DST ends every year.
• Time — The time at which DST ends every year.
CLI Commands for Setting Manual Time
The following steps (in any order) must be completed before setting time
manually:
• Set system time
• Define the time zone in relation to GMT.
• Configure Daylight Savings Time.
The following table summarizes the CLI commands for setting fields
displayed in the Manual Time Setting pages when the clock source is Local.
Table 9-5. Manual Time Setting CLI Commands
CLI Description
clock set hh:mm:ss {[day
month]|[month day]} year
Set the system clock to this time.
clock summer-time zone
recurring {usa|eu|{week
day month hh:mm week day
month hh:mm}}[offset]
Configures the system to automatically
switch to summer time (according to the
USA and European standards) every year on a
recurring basis. 176 Dell PowerConnect 55xx Systems User Guide
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clock summer-time zone
date date month year hh:mm
date month year hh:mm
[offset]
clock summer-time zone
date month date year hh:mm
month date year hh:mm
[offset]
no clock summer-time
Configures the system to automatically
switch to summer time (Daylight Savings
Time) for a specific period - date/month/year
format.
Use the no form of the command to
configure the system not to switch to
summer time (Daylight Savings Time).
clock timezone zone hoursoffset [minutes offset]
Sets the time zone and names it "zone" for
display purposes.
show clock Displays the time and date from the system
clock.
Table 9-5. Manual Time Setting CLI Commands (Continued)
CLI DescriptionDell PowerConnect 55xx Systems User Guide 177
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A sample script to set system time manually is shown below
System Time from an SNTP Server
This section describes how to receive date/time from an SNTP server.
It contains the following topics:
• SNTP Overview
• SNTP Global Settings
• SNTP Authentication
• SNTP Servers
• SNTP Interfaces
Table 9-6. CLI Script to Set Manual System Time
CLI Description
Console# clock set 13:32:00 7 Nov 2010 Set the system time.
console# configure
console(config)# clock timezone Ohio +2
Set the time zone to GMT
plus 2 hours. The name of
the zone "Ohio" is purely for
documentation purposes.
This is not mandatory for
manual time, but is
recommended. It enables
anyone seeing the time to
know what that time is in
respect to their timezone.
console(config)# clock summer-time
Ohio_Summer recurring usa
Set Daylight Savings Time
such that it recurs every year
and is based on the summer
time schedule of the USA.
The name of the zone
"Ohio_Summer" is for
documentation purposes
only.
console(config)# exit
console# show clock
Display the system time.178 Dell PowerConnect 55xx Systems User Guide
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SNTP Overview
The switch supports the Simple Network Time Protocol (SNTP), which
provides accurate network switch clock time synchronization of up to 100
milliseconds. The implementation of SNTP is based on SNTPv4 (RFC 2030).
SNTP is a simple and lighter version of NTP, and can be used when the
ultimate performance of the full NTP implementation, described in
RFC-1305, is not required. SNTP operates with NTP, thus an SNTP client
can work with both SNTP and NTP servers.
The switch operates only as a client, and cannot provide time services to other
systems.
SNTP Server Types
The switch can accept time information from the following server types:
• Unicast
Polling for Unicast information is used for polling a server whose IP
address is known. This is the preferred method for synchronizing device
time, as it is most secure.
Up to eight SNTP servers can be defined.
If this method is selected, SNTP information is accepted only from SNTP
servers defined in the SNTP Servers page.
Time levels T1 - T4 (see the "Algorithm for Selecting Designated SNTP
Server" on page 180 section) are used to determine from which server time
information is accepted.
If Unicast polling is not enabled or if no servers are defined on the device,
the device accepts time information from any SNTP server of the type that
is enabled, which responds.
• Anycast
Polling for Anycast information is used when the SNTP server’s IP address
is not defined or it cannot be reached. If this method is enabled, time
information can be received from any SNTP server on the network. The Dell PowerConnect 55xx Systems User Guide 179
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device time and date are synchronized when it proactively requests
synchronization information.
Anycast polling to get time information is preferable to Broadcast polling,
because it is more secure.
Time levels T3 and T4 are used to determine from which server time
information is accepted.
• Broadcast
Broadcast information is used if receiving Broadcast packets has been
enabled, and one of the following situations occurs:
– The SNTP server IP address has not been defined.
– Several time-information packets are received and the Broadcast time
is best according to the algorithm defined in "Algorithm for Selecting
Designated SNTP Server" on page 180.
Broadcast is the least secure method of receiving time, because it is both
unsecured and the time information was not specifically requested by the
device. Anycast is also unsecured, but time-information packets are only
accepted if they were requested.
Stratums
Each SNTP server is characterized by stratums, which define the accuracy of
its clock. The stratum is the distance, in terms of NTP hops, from the most
authoritative time server. The lower the stratum (where zero is the lowest),
the more accurate the clock. The switch accepts time from stratum 1 and
above.
The following provides examples of clocks from various stratums:
• Stratum 0 — A real time clock is used as the time source, for example, a
GPS system.
• Stratum 1 — A server that is directly linked to a Stratum 0 time source is
used.
• Stratum 2 — The time source is distanced from the Stratum 1 server over
a network path, for example, a Stratum 2 server receives the time over a
network link, via NTP, from a Stratum 1 server.180 Dell PowerConnect 55xx Systems User Guide
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Algorithm for Selecting Designated SNTP Server
Messages received from SNTP servers are logged, until there are three
responding servers, or the timer expires. In any event, when the third message
is received, the timer expires.
A server is selected to be the “designated server” according to the following
criteria:
• The stratum (the distance in terms of NTP hops from the best
authoritative time servers) is considered, and the server with the best
(lowest) stratum is selected.
• If there is a tie in stratums, packets from servers defined on the device are
preferred to Anycast packets, which in turn are preferred to Broadcast
packets.
• If multiple servers pass the above criteria, then the server that sent the first
(earliest) time packet is chosen.
If a better server is discovered later, it is selected to be the “designated server”
at that time.
Polling
You can configure the system to acquire time information in the following
ways:
• Enable polling — Time information is requested every polling interval.
• Do not enable polling — Time information is received when the system is
brought up and every time that a topological change is made to the
Running Configuration file, for example when an SNTP Unicast server is
added.
This is configured by the user in the SNTP Global Settings page.
On power up, when the switch sends a request and there is no reply, it issues
another request (three retries at most) after 20 seconds of waiting.
If no SNTP server is found, the process is invoked every “poll interval” (set in
the SNTP Global Settings page), and a management trap is triggered.
Authentication
You can require that SNTP servers be authenticated, although this is not
mandatory (see the SNTP Authentication pages). Dell PowerConnect 55xx Systems User Guide 181
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MD5 (Message Digest 5) Authentication safeguards device synchronization
paths to SNTP servers. MD5 is an algorithm that produces a 128-bit hash
value. MD5 is a variation of MD4, and increases MD4 security.
MD5 both verifies the integrity of the communication and authenticates the
origin of the communication.
Global Settings (Clock Source)
System time can be set manually, or it may be received from an external
SNTP server. You if wish to set the system time manually, you do not to use
the Global Settings page, because the default is manual (local) system time.
To set the clock source:
1 Click System > Time Synchronization > Global Settings in the tree view
to display the Global Settings page.
Figure 9-5. Global Settings182 Dell PowerConnect 55xx Systems User Guide
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2 Select the Clock Source. The possible options are:
– Local—System time is taken from the device’s internal clock. Set this
as defined in "Manual Time Settings" on page 169.
– SNTP— System time is set via an SNTP server. Set SNTP parameters
as defined in "System Time from an SNTP Server" on page 177.
Defining the Clock Source Using CLI Commands
The following table summarizes the CLI commands for setting the clock
source.
The following is an example of the CLI commands:
SNTP Global Settings
If SNTP was selected as the clock source in the Global Settings page, you
must define the mechanism of setting time from an SNTP server. This is
done in the SNTP pages, described below.
Table 9-7. Clock Source CLI Command
CLI Description
clock source {sntp}
no clock source
Configures an external time source for the
system clock.
Use the no form of this command to disable
the external time source.
show clock [detail] Displays the time and date from the system
clock and its source.
console# configure
console(config)# clock source sntp
console# show clock detail
3:29:03 UTC Sep 7 2010
Time source is sntp
Time zone:
Offset is UTC+0Dell PowerConnect 55xx Systems User Guide 183
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To define the types of server from which the device accepts SNTP
information and the polling interval:
1 Click System > Time Synchronization > SNTP Global Settings in the
tree view to display the SNTP Global Settings page.
Figure 9-6. SNTP Global Settings
2 Enter the fields:
– Poll Interval (60-86400) — Enter the interval (in seconds) at which
the SNTP servers are polled.
– Receive Broadcast Servers Updates — Enable/disable receiving time
information from Broadcast servers.
– Receive Anycast Servers Updates — Enable/disable receiving time
information from Anycast SNTP servers.
– Receive Unicast Servers Updates — Enable/disable receiving time
information from the SNTP servers defined on the switch.
– Poll Unicast Requests — Enable/disable sending SNTP Unicast server
time information requests to the SNTP server.184 Dell PowerConnect 55xx Systems User Guide
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Defining SNTP Global Settings Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the SNTP Global Settings pages.
The following is an example of the CLI commands:
SNTP Authentication
Use the SNTP Authentication page to enable/disable SNTP authentication
between the device and an SNTP server, and to set the means by which the
SNTP server is authenticated.
Table 9-8. SNTP Global Parameters CLI Commands
CLI Command Description
sntp client poll timer
seconds
no sntp client poll timer
Sets the polling time for an SNTP client.
Use the no form of this command to
restore the default configuration.
sntp broadcast client
enable
no sntp broadcast client
enable
Enables SNTP Broadcast clients.
Use the no form of this command to
disable SNTP Broadcast clients.
sntp anycast client enable
no sntp anycast client
enable
Enables SNTP Anycast clients.
Use the no form of this command to
disable SNTP Anycast clients.
sntp unicast client enable
no sntp unicast client
enable
Enables SNTP predefined Unicast clients.
Use the no form of this command to
disable SNTP Unicast clients.
show sntp configuration Displays SNTP configuration
console(config)# sntp anycast client enableDell PowerConnect 55xx Systems User Guide 185
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To configure SNTP authentication:
1 Click System > Time Synchronization > SNTP Authentication in the
tree view to display the SNTP Authentication: Summary page.
Figure 9-7. SNTP Authentication: Summary
The previously-defined authentication keys are displayed.
2 Enable/disable SNTP Authentication. This enables/disables
authenticating SNTP sessions between the device and an SNTP server.
3 Multiple keys can be defined. To add a new SNTP authentication key, click
Add, and enter the fields.
– Encryption Key ID (1 - 4294967295) — Enter the number used to
identify this SNTP authentication key internally.
– Authentication Key (1 - 8 Characters) — Enter the key used for
authentication. The SNTP server must send this key for the switch to
use its time/date information.186 Dell PowerConnect 55xx Systems User Guide
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– Trusted Key — Check to specify that the encryption key is used to
authenticate the (Unicast) SNTP server. If this is not checked, the
key is not used for authentication (and another key(s) is used).
Defining SNTP Authentication Settings Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the SNTP Authentication pages.
The following is an example of the CLI commands:
Table 9-9. SNTP Authentication CLI Commands
CLI Command Description
sntp authenticate
no sntp authenticate
Defines authentication for received SNTP
traffic from servers.
Use the no form of this command to disable
the feature.
sntp trusted-key keynumber
no sntp trusted-key keynumber
Authenticates the identity of a system to
which SNTP will synchronize.
Use the no form of this command to disable
system identity authentication.
sntp authentication-key
key-number md5 value
no sntp authenticationkey key-number
Defines an authentication key for SNTP.
Use the no form of this command to remove
the authentication key for SNTP.
console(config)# sntp authenticate
console(config)# sntp trusted-key 8
console(config)# sntp authentication-key 8 md5 ClkkeyDell PowerConnect 55xx Systems User Guide 187
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SNTP Servers
To add an SNTP server or display SNTP server information:
1 Click System > Time Synchronization > SNTP Servers in the tree view to
display the SNTP Servers: Summary page.
Figure 9-8. SNTP Servers: Summary
The following is displayed for the previously-defined servers:
– SNTP Server — IP address of server.
– Polling — Polls the selected SNTP server for system time information,
when enabled.
– Encryption Key ID — Key Identification used to communicate
between the SNTP server and device. 188 Dell PowerConnect 55xx Systems User Guide
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– Preference — SNTP server providing SNTP system time information.
The system displays on of the following options:
• Primary — The server from which time was last accepted.
• Secondary — All other servers from which time was received.
– Status — The operating SNTP server status. The possible options are:
• Up — The SNTP server is currently operating normally.
• Down — An SNTP server is currently not available, for example,
the SNTP server is currently not connected or is currently down.
• In progress — The SNTP server is currently sending or receiving
SNTP information.
• Unknown — The progress of the SNTP information currently
being sent is unknown, for example, the device is currently
looking for an interface.
– Last Response — The last time a response was received from the
SNTP server.
– Offset — The estimated offset of the server's clock, relative to the
local clock, in milliseconds. The host determines the value of this
offset, using the algorithm described in RFC 2030.
– Delay — The estimated round-trip delay of the server's clock, relative
to the local clock over the network path between them, in
milliseconds. The host determines the value of this delay, using the
algorithm described in RFC 2030.
2 To add an SNTP Server, click Add, and enter the fields:
– Supported IP Format — Select whether IPv4 or IPv6 format is used
for the IP address of the SNTP server.
– IPv6 Address Type — When the server supports IPv6, this specifies
the type of static address supported. Select one of the possible
options:
• Link Local — A Link Local address that is non-routable and used
for communication on the same network only.
• Global — A globally unique IPv6 address; visible and reachable
from different subnets.Dell PowerConnect 55xx Systems User Guide 189
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– Link Local Interface — When the server supports an IPv6 Link Local
address, this specifies the Link Local interface. Select one of the
possible options:
• VLAN — The VLAN on which the IPv6 interface is configured.
• ISATAP — The IPv6 interface is configured on an ISATAP
tunnel.
– SNTP Server — Enter the SNTP server’s IP address.
– Poll Interval — Enable/disable polling the selected SNTP server for
system time information, when enabled.
– Encryption Key ID — Check to use an encryption key, and select one
of the encryption keys that was defined in the SNTP Authentication
pages.
Defining SNTP Servers Settings Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the SNTP Server pages.
Table 9-10. SNTP Server CLI Commands
CLI Command Description
sntp server {ipv4-
address|ipv6-address|ipv6-
address|hostname} [poll]
[key key-id]
no sntp server {ipv4-
address|ipv6-address|ipv6-
address|hostname}
Configures the device to use SNTP to
request and accept SNTP traffic from a
server.
Use the no form of this command to
remove a server from the list of SNTP
servers.
sntp unicast client poll
no sntp unicast client poll
Enables polling for the SNTP predefined
Unicast clients.
Use the no form of this command to
disable the polling for the SNTP client.
show sntp status Displays the SNTP server statuses.190 Dell PowerConnect 55xx Systems User Guide
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The following is an example of the CLI commands:
SNTP Interfaces
If receiving time information from Anycast servers is enabled, you can
determine through which interface the Anycast packets are sent and received.
If no interface is defined, Anycast requests are not sent.
console(config)# sntp server 100.1.1.1 poll key 10
console# show sntp status
Clock is unsynchronized
Unicast servers:
Server Status Last Response Offset Delay
[mSec] [mSec]
--------------- --------- ------------- -------- -------
Anycast server:
Server Interface Status Last Response Offset Delay
[mSec] [mSec]
--------------- -------- -------------- ------ ------
Broadcast:
Interface IP Address Last Response
------------ --------------- -----------------------
gi1/0/1 00:00:00.0 Jan 1 2010Dell PowerConnect 55xx Systems User Guide 191
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To enable receiving Anycast updates on an interface:
1 Click System > Time Synchronization > SNTP Interface Settings to
display the SNTP Interface Settings: Summary page.
Figure 9-9. SNTP Interface Settings: Summary
The following fields are displayed for every interface for which an SNTP
interface has been enabled:
– Interface — The port, LAG or VLAN on which SNTP is enabled.
– Receive Servers Updates — Displays whether the interface is enabled
to receive updates from the SNTP server.
2 To add an interface that can receive SNTP server updates, click Add.
3 Select an interface and enable/disable State to indicate that the interface
can now receive/not receive SNTP server updates.192 Dell PowerConnect 55xx Systems User Guide
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Defining SNTP Interface Settings Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the SNTP Interface Settings pages.
Table 9-11. SNTP Interface Settings CLI Commands
CLI Command Description
sntp client enable
{[[gigabitethernet|tengigabitethern
et] port-id|vlan vlan-id|portchannel LAG-number]}
no sntp client enable
{[[gigabitethernet|tengigabitethern
et]port-number|vlan vlan-id|portchannel LAG-number]}
Enables the SNTP client on an
interface in Global
Configuration mode.
Use the no form of this
command to disable the SNTP
client.
sntp client enable
no sntp client enable
Enables SNTP client on an
interface in Interface
Configuration mode.
Use the no form of this
command to disable the SNTP
client.
show sntp configuration Shows the configuration of the
Simple Network Time Protocol
(SNTP).Dell PowerConnect 55xx Systems User Guide 193
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The following is an example of the CLI commands:
CLI Script for Receiving Time from an SNTP Server
The following is a sample script that configures receiving system time from an
SNTP server.
console# configure
console(config)# sntp client enable gi1/0/1
console# exit
console# configure
console(config)# interface gi1/0/1
console(config-if)# sntp client enable
console# show sntp configuration
SNTP port : 123.
Polling interval: 1024 seconds.
No MD5 authentication keys.
Authentication is not required for synchronization.
No trusted keys.
Unicast Clients: Disabled
Unicast Clients Polling: Disabled
Server Polling Encryption Key
----------------------------- ---------- -----------
Broadcast Clients: disabled
Anycast Clients: disabled
Broadcast Interfaces: gi1/0/1
Table 9-12. Manual Time Setting CLI Commands
CLI Description
console# configure
console(config)#clock source sntp
Set the source of time as
an SNTP server.194 Dell PowerConnect 55xx Systems User Guide
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console(config)#sntp client poll timer 6 Set polling time to 6
seconds.
console(config)#sntp unicast client
enable
Enable accepting time
from predefined Unicast
clients.
console(config)#sntp unicast client poll Enable polling predefined
Unicast clients.
console(config)#sntp server 10.4.1.3
poll
Define the server that will
be used as an SNTP
server.
console(config)#exit
console# show sntp configuration
Display SNTP settings.
console# show sntp status Display SNTP servers.
Table 9-12. Manual Time Setting CLI Commands (Continued)
CLI DescriptionDell PowerConnect 55xx Systems User Guide 195
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Logs
The Logs feature enables the switch to keep several, independent logs. Each
log is a set of entries that record system events.
It contains the following topics:
• System Log Overview
• Global Parameters
• RAM Log
• Log File (in Flash)
• Login History
• Remote Log Server
System Log Overview
System logs record events and report errors or informational messages. Some
aspects of system logging can be configured, as described below. When you
configure system logging, the configuration applies to all units in the stack.
Some events are automatically logged, such as hardware problems. You may
enable/disable logging the following types of events:
• Authentication Events in the Global Parameters page
• Copy File Events in the Global Parameters page
• Management Access Events in the Global Parameters page
• Login History in the Login History page
Event messages have a unique format, as per the System Logs (SYSLOG)
protocol recommended message format for all error reporting, for example,
SYSLOG and local device reporting messages are assigned a severity code,
and include a message mnemonic that identifies the source application
generating the message.
Messages may be filtered, based on their urgency or relevancy.
Events may be logged to the following destinations:
• Console
• Logging buffer (RAM)— Messages are stored in a cyclical file buffer.
When the maximum number of messages is reached, messages are written
starting at the beginning of the buffer (overwriting the old messages). 196 Dell PowerConnect 55xx Systems User Guide
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Logs stored on the Logging buffer are deleted when the device is reset.
• Logging file (flash) — Messages are stored in flash memory. When the
buffer is full, messages are written starting at the beginning of the memory
block (overwriting the old messages).
• SYSLOG Server — Messages are sent to a remote server. This is useful for
central and remote management and to provide more space for storage of
messages. Up-to eight SYSLOG servers can be defined in the Remote
Log Server Settings pages.
You can select where to send logging messages according to their severity.
Each of the severity level can be directed to the console, RAM log, flash log
file or SYSLOG server or to any combination of these destinations.
Global Parameters
Use the Global Parameters page to enable/disable logging for the following
logging severity levels.
– Emergency — If the device is down or not functioning properly, an
emergency log message is saved to the specified logging location.
– Alert — An alert log is saved if there is a serious device malfunction,
for example, all device features are down.
– Critical — A critical log is saved if a critical device malfunction
occurs, for example, two device ports are not functioning, while the
rest of the device ports remain functional.
– Error — A device error has occurred, for example, a single port is
offline.
– Warning — The lowest level of a device warning. The device is
functioning, but an operational problem has occurred.
– Notice — Provides device information to which you might have to
respond.
– Informational — Provides device information to which you do not
have to respond.
– Debug — Provides debugging messages. Dell PowerConnect 55xx Systems User Guide 197
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If you enable logging, some events are automatically logged, and in addition,
you can enable/disable specific types of logging and set their destination.
To configure logging:
1 Click System > Logs > Global Parameters in the tree view to display the
Global Parameters page.
Figure 9-10. Global Parameters
2 Enable/disable logging in the Logging drop-down list. Console logs are
enabled by default, and cannot be disabled.
3 If Logging is enabled, select the types of events to be logged in addition to
the events that are always logged:
– Log Authentication Events — Enable/disable generating logs when
users are authenticated. 198 Dell PowerConnect 55xx Systems User Guide
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– Log Copy Files Events — Enable/disable generating logs when files
are copied.
– Log Management Access Events — Enable/disable generating logs
when the device is accessed using a management method, for
example, each time the device is accessed using SSH, a device log is
generated.
4 To select the destination of logging messages, according to their severity
levels, check the minimum severity level that will be associated with the
console log, RAM log, Log file (Flash memory) and remote SYSLOG
servers. When a severity level is selected, all severity levels above the
selection are selected automatically.
Enabling Logs Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the Global Parameters page.
Table 9-13. Global Log Parameters CLI Commands
CLI Command Description
logging on
no logging
Enables error message logging.
Turns off error message logging.
logging console level
no logging console level
Limits messages logged to the
console, based on severity.
Use the no form of this command to
disable logging limiting to the
console.
logging file level
no logging file
Limits SYSLOG messages stored in
flash memory, based on severity.
Use the no form of this command to
cancel using the buffer.
file-system logging
{copy|delete-rename}
Enables the logging of file system
events.Dell PowerConnect 55xx Systems User Guide 199
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The following is an example of the CLI commands:
management logging {deny}
no management logging {deny}
Enables Management Access List
(ACL) deny events.
Use the no form of this command to
disable logging management access
list events.
aaa logging {login}
no aaa logging {login}
Enables logging authentication login
events.
Use the no form of this command to
disable logging authentication login
events.
console# configure
console(config)# logging on
console(config)# logging console errors
console(config)# logging file alerts
Table 9-13. Global Log Parameters CLI Commands (Continued)
CLI Command Description200 Dell PowerConnect 55xx Systems User Guide
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RAM Log
To manage the RAM log buffer:
1 Click System > Logs > RAM Log in the tree view to display the RAM Log
page.
Figure 9-11. RAM Log
The Max RAM Log Entries (20-400) line, which contains the maximum
number of RAM log entries permitted, is displayed. When the log buffer is
full, the oldest entries are overwritten. The Current Setting contains how
many entries are currently permitted, and you can change this number in
the New Setting (after reset) field.
The following is displayed for the existing logs:
– Log Index — The log number in the RAM Log table.Dell PowerConnect 55xx Systems User Guide 201
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– Log Time — The time at which the log was entered into the RAM Log
table.
– Severity — The log severity.
– Description — The log entry text.
2 To remove all entries from the RAM log, click Clear Log.
Viewing and Clearing the RAM Log Table Using the CLI Commands
The following table summarizes the CLI commands for setting the size of the
RAM log buffer, viewing, and clearing entries in the RAM log.
The following is an example of the CLI commands:
Table 9-14. RAM Log Table CLI Commands
CLI Command Description
logging buffered
size
no logging buffered
Sets the number of SYSLOG messages stored in the
internal buffer (RAM).
Use the no form of this command to cancel using the
buffer.
show logging Displays the RAM logging buffer.
clear logging Clears the RAM logging buffer.
console(config)# logging buffered 300
04-Oct-2010 09:47:04 %SYSLOG-N-LOGGINGBFRSIZE: the number
of syslog messages stored in the internal buffer will be
changed to 300 (after reboot).202 Dell PowerConnect 55xx Systems User Guide
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Log File (in Flash)
To view and/or clear the flash memory log file:
1 Click System > Logs > Log File in the tree view to display the Log File
page.
Figure 9-12. Log File
The following is displayed for the existing logs:
– Log Index — The log number in the Log file.
– Log Time — The time at which the log was entered.
– Severity — The log severity.
– Description — The log entry text.
2 To remove all entries from the log file, click Clear Log.Dell PowerConnect 55xx Systems User Guide 203
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Displaying the Log File Table Using the CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the Log File page.
The following is an example of the CLI commands:
Login History
Use the Login History page to monitor users, including the time a user
logged in, and the protocol used to log on to the device.
Table 9-15. Log File Table CLI Commands
CLI Command Description
show logging file Displays the logging state and the SYSLOG
messages stored in the logging file.
console# show logging file
Logging is enabled.
Console Logging: Level info. Console Messages: 0 Dropped.
Buffer Logging: Level info. Buffer Messages: 62 Logged, 62
Displayed, 200 Max.
File Logging: Level debug. File Messages: 11 Logged, 51
Dropped.
SysLog server 1.1.1.1 Logging: info. Messages: 0 Dropped.
01-Jan-2000 01:12:01 :%COPY-W-TRAP: The copy operation was
completed successfully
01-Oct-2010 01:11:49 :%LINK-I-Up: gi/1/0/11
01-Oct-2010 01:11:46 :%LINK-I-Up: gi/1/0/12204 Dell PowerConnect 55xx Systems User Guide
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To enable user history logging and view user login history:
1 Click System > Logs > Login History in the tree view to display the
Login History page.
Figure 9-13. Login History
The login history for the selected user or all users is displayed.
2 Enable/disable Login History to File to record login history.
3 Select a user or All from the User Name drop-down list. The login history
for this user is displayed in the following fields:
• Login Time — The time the selected user logged on to the device.
• User Name — The user that logged on to the device.
• Protocol — The means by which the user logged on to the device.
• Location — The IP address of the station from which the device was
accessed.Dell PowerConnect 55xx Systems User Guide 205
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Displaying the Device Login History Using CLI Commands
The following table summarizes the CLI commands for viewing and setting
fields displayed in the Login History page.
The following is an example of the CLI commands:
Table 9-16. Login History CLI Commands
CLI Command Description
aaa login-history file
no aaa login-history file
Enables writing to the login history file.
Use the no form of this command to disable
writing to the login history file.
show users login-history
[username]
Displays the user’s login history.
console (config)# aaa login-history file
console# show users login-history
Login Time Username Protocol Location
----------- -------- -------- ----------
01-Oct-2010
23:58:17
admin HTTP 172.16.1.8
01-Oct-2010
07:59:23
admin Telnet 172.16.0.8206 Dell PowerConnect 55xx Systems User Guide
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Remote Log Server
Log messages can be sent to remote log servers, using the SYSLOG protocol.
To add a remote log server:
1 Click System > Logs > Remote Server Settings in the tree view to display
the Remote Log Server: Summary page.
Figure 9-14. Remote Log Server: Summary
The previously-defined remote servers are displayed.
2 To add a remote log server, click Add, and enter the fields:
– Supported IP Format — Select whether the IPv4 or IPv6 format is
supported.
– IPv6 Address Type — When the server supports IPv6, this specifies
the type of static address supported. The possible options are:
• Link Local — A Link Local address that is non-routable and used
for communication on the same network only.Dell PowerConnect 55xx Systems User Guide 207
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• Global — A globally unique IPv6 address; visible and reachable
from different subnets.
– Link Local Interface — When the server supports an IPv6 Link Local
address, this specifies the Link Local interface. The possible options
are:
• VLAN — The VLAN on which the IPv6 interface is configured.
• ISATAP — The IPv6 interface is configured on an ISATAP
tunnel.
– New Log Server IP Address — Enter the IP address of the remote
SYSLOG server.
– UDP Port (1-65535) — Enter the UDP port to which the logs are sent
for the selected server.
– Facility — Select a user-defined application from which system logs
are sent to the remote server. Only a single facility can be assigned to a
single server. If a second facility level is assigned, the first facility level
is overridden. All applications defined for a device utilize the same
facility on a server.
– Description (0-64 Characters) — Enter a server description.
– Severity to Include — Check the severity levels to be logged to the
remote server. The event severity levels are listed on this page in
descending order from the highest severity to the lowest. When a
severity level is selected to appear in a log, all higher severity events are
automatically selected to appear in the log. When a security level is
not selected, no lower severity events appear in the log. 208 Dell PowerConnect 55xx Systems User Guide
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Working with Remote Server Logs Using the CLI Commands
The following table summarizes the CLI command for working with remote
log servers.
The following is an example of the CLI commands:
Table 9-17. Remote Log Server CLI Commands
CLI Command Description
logging host {ipv4-address|ipv6-
address|hostname} [port port-id]
[severity level] [facility
facility] [description text]
no logging host {ipv4-
address|ipv6-address|hostname}
Logs messages to a remote server
with this IP address.
Use the no form of this command
to delete the SYSLOG server with
the specified address from the list
of SYSLOGs.
show syslog-servers Displays list of SYSLOG servers.
console (configure) # logging host 1.1.1.1
console# show syslog-servers
Device Configuration
---------------------------------------------------------
IP Address Port Facility Severity Description
----------- ----- -------- ----------- -----------
1.1.1.1 514 local7 info
1.1.1.2 514 local7 info
1.1.1.3 514 local7 info
1.1.1.4 514 local7 infoDell PowerConnect 55xx Systems User Guide 209
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IP Addressing
This section describes how to configure IP addresses on the switch, and
contains the following topics:
• IP Addressing Overview
• IPv4 Interface Parameters
• DHCP IPv4 Interface
• IPv4 Static Routing
• IPv6 Interfaces
• IPv6 Default Gateway
• ISATAP Tunnel
• IPv6 Neighbors
• IPv6 Routes Table
• Domain Name System
• Default Domain Names
• Host Name Mapping
• ARP
• UDP Relay
IP Addressing Overview
The device functions as an IPv6-compliant host, as well as an IPv4-host (also
known as dual stack). This enables device operation in a pure-IPv6 network,
as well as in a combined IPv4/IPv6 network.
Difference Between IPv4 and IPv6 Addressing
The primary difference between IPv4 to IPv6 is the length of network
addresses. IPv6 addresses are 128 bits, whereas IPv4 addresses are 32 bits.
Thus, IPv6 addresses enable the use of many more unique addresses.
The 128-bit IPv6 address format is divided into eight groups of four
hexadecimal digits. Abbreviation of this format by replacing a group of zeros
with double colons (::) is acceptable. IPv6 address representation can be
further simplified by suppressing the leading zeros.210 Dell PowerConnect 55xx Systems User Guide
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All IPv6 address formats are acceptable, yet for display purposes, the system
displays the most abbreviated form, which replaces groups of zeros with
double colons and removes the leading zeros.
IPv6 Prefixes
While Unicast IPv6 addresses written with their prefix lengths are permitted,
in practice their prefix lengths are always 64 bits, and therefore are not
required to be expressed. Any prefix that is less than 64 bits is a route or
address range that summarizes a portion of the IPv6 address space.
For every assignment of an IP address to an interface, the system runs the
Duplicate Address Detection (DAD) algorithm to ensure uniqueness.
An intermediary transition mechanism is required for IPv6-only nodes to
communicate with IPv6 nodes over an IPv4 infrastructure. The tunneling
mechanism implemented is the Intra-Site Automatic Tunnel Addressing
Protocol (ISATAP). This protocol treats the IPv4 network as a virtual IPv6
local-link, with each IPv4 address mapped to a Link Local IPv6 address.
IPv4 Interface Parameters
You can assign IP addresses to the interface in the following ways:
• Manual Assignment — Described below
• DHCP Server Assignment — Described in "DHCP IPv4 Interface" on
page 214
Multiple IP addresses can be configured in the IPv4 Interface Parameters
pages. These IP addresses can be assigned to a port, LAG, or VLAN interface.
When an IP address is assigned, it is checked for uniqueness in the following
way:
• A gratuitous ARP request is sent three times every three seconds.
• If after (3+1)*3 = 12 seconds the switch has not received the ARP
response, the IP address is considered to be unique.
• During the procedure the switch has to reply to gratuitous ARP and probe
ARP requests with the validated IP address.Dell PowerConnect 55xx Systems User Guide 211
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The IP address is assigned even if the above validation procedure concludes
that the IP address in question is not unique, but a SYSLOG message is
generated.
In addition to the above validation procedure every time a switch receives an
ARP request with a sender IP address that is equal to its IP address defined on
the input interface it sends a SYSLOG message informing of IP duplication,
containing the sender IP and MAC addresses, from the received ARP
message.
To assign an IP address to an interface, and to define subnets to which traffic
can be routed:
1 Click System > IP Addressing > IPv4 Interface Parameters in the tree
view to display the IP Interface Parameters: Summary page.
Figure 9-15. IPv4 Interface Parameters: Summary212 Dell PowerConnect 55xx Systems User Guide
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The previously-assigned IP addresses are displayed.
2 To add an IP address to an interface, click Add, and enter the fields:
– IP Address — Enter the IP address assigned to the interface.
– Network Mask — Select the subnetwork mask to which traffic can be
routed.
– Prefix Length — Enter the number of bits that comprise the IP
address prefix of the subnetwork.
– Interface — Select the interface for which the IP address is defined.
Select an interface type Port, LAG, or VLAN and the specific
interface number.
Defining IPv4 Interfaces Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the IPv4 Interfaces Parameters page.
Table 9-18. IPv4 Interface Parameters CLI Commands
CLI Command Description
ip address ip-address
{mask|prefix-length}
no ip address [ip-address]
Sets an IP address.
Use the no form of the command to
remove an IP address.
show ip interface
[[gigabitethernet|tengigabitet
hernet]port-number|vlan vlanid|port-channel LAG-number]
Displays the usability status of
interfaces configured for IP.Dell PowerConnect 55xx Systems User Guide 213
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The following are sample procedures to configure a static IPv4 address on an
interface using CLI and then to remove it:
Table 9-19. Sample CLI Script to Configure IPv4 Statically on a VLAN
CLI Command Description
console#config Enter Global Configuration
mode.
console(config)# interface vlan 1 Enter Interface mode for
VLAN 1.
console(config-if)# ip address
10.5.225.40 /27
Set the routing interface with
prefix length of 27.
console(config-if)# ip defaultgateway 10.5.225.33
Set the address of the default
gateway
console(config-if)# no ip address Remove the address (if
required).
Table 9-20. Sample CLI Script to Configure IPv4 Statically on a Port
CLI Command Description
console#config Enter Global Configuration
mode.
console(config)# interface gi1/0/1 Enter Interface mode for port
1 on unit 1.
console(config)# no switchport Enable the port to work as an
IP interface (Layer 3 mode).
console(config-if)# ip address
10.5.225.40 /27
Configure an IP address with
prefix length of 27.
console(config-if)# ip defaultgateway 10.5.225.33
Set the address of the default
gateway
console(config-if)# no ip address Remove the address (if
required).214 Dell PowerConnect 55xx Systems User Guide
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DHCP IPv4 Interface
The switch can operate in the following ways:
• It can function as a DHCP client that obtains its own IP from a DHCP
server, as described in this section
• It can function as a DHCP server that allocates IP addresses to other
devices, as described in "DHCP Server" on page 297
When the interface is configured as a DHCP client, it keeps requesting an IP
address from the DHCP server, until it receives one. It then sends Address
Resolution Protocol (ARP) packets to confirm the uniqueness of the IP
address. If the ARP response shows that the IP address is in use, the switch
sends a DHCPDECLINE message to the DHCP server, and sends another
DHCPDISCOVER packet that restarts the process.
IP address collisions occur when the same IP address is used in the same IP
subnet by more than one device. Address collisions require administrative
actions on the DHCP server and/or the devices that collide.
Up to 32 interfaces (ports, LAGs, and/or VLAN) on the switch can be
configured with a static or dynamic IP address. The IP subnets to which these
IP addresses belong are known as directly connected/attached IP subnets.
The IP address assignment rules for the switch are as follows:
• If the IP address on the switch is changed, the switch issues gratuitous
ARP packets to the corresponding VLAN, to check IP address collisions.
• When a client must renew its lease, prior to its expiration date, a
DHCPREQUEST message is sent.
• A specific interface can have either a static IP address or a dynamic IP
address, but not both.Dell PowerConnect 55xx Systems User Guide 215
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To define the switch as a DHCP client:
1 Click System > IP Addressing > DHCP IPv4 Interface in the tree view to
display the DHCP IPv4 Interface: Summary page.
Figure 9-16. DHCP IPv4 Interface: Summary216 Dell PowerConnect 55xx Systems User Guide
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The previously-configured DHCP IPv4 interfaces are displayed.
2 To add an interface that can receive an IP address, click Add and select the
whether the interface is a port, LAG or VLAN in the Interface field.
Defining DHCP IPv4 Interfaces Using CLI Commands
The following table summarizes the CLI commands for setting fields in the
DHCP IPv4 Interface pages.
Table 9-21. DHCP IPv4 Interface CLI Commands
CLI Command Description
ip address dhcp
no ip address dhcp
Acquires an IP address on an Ethernet interface
from the Dynamic Host Configuration Protocol
(DHCP).
Use the no form of this command to release an
acquired IP address.Dell PowerConnect 55xx Systems User Guide 217
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Configuring DHCP IPv4 Interfaces Using CLI
The following is a sample CLI script to configure a dynamic IPv4 address on
an interface and then to remove it:
IPv4 Static Routing
IPv4 static routes can be configured for IP addresses that are not on directly
connected networks. These are defined in the IPv4 Static Routing pages.
Table 9-22. Sample CLI Script to Configure IPv4 Dynamically on a VLAN
CLI Command Description
console#config Enter Global Configuration
mode.
console(config)# interface vlan 1 Enter VLAN mode for VLAN
1.
console(config)# no switchport Enable the port to work as an
IP interface (Layer 3 mode).
console(config-if)# ip address dhcp Use the DHCP protocol to
acquire the IP address.
console(config-if)# no ip address
dhcp
Remove the address (if
required).
Table 9-23. Sample CLI Script to Configure IPv4 Dynamically on a Port
CLI Command Description
console#config Enter Global Configuration
mode.
console(config)# interface vlan 1 Enter VLAN mode for VLAN
1.
console(config-if)# ip address dhcp Use the DHCP protocol to
acquire the IP address.
console(config-if)# no switchport Enable the port to work as an
IP interface (Layer 3 mode).
console(config-if)# no ip address
dhcp
Remove the address (if
required).218 Dell PowerConnect 55xx Systems User Guide
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When routing traffic, the next hop is determined according to the longest
prefix match (LPM algorithm). A destination IPv4 address may match
multiple routes in the IPv4 Static Route table. The switch uses the matched
route with the longest prefix match.
To add an IPv4 static route:
1 Click System > IP Addressing > IPv4 Static Routing in the tree view to
display the IPv4 Static Routing: Summary page.
Figure 9-17. IPv4 Static Routing: Summary
2 Click Add to add a destination, and enter the fields:
– Destination IP Prefix — Enter the destination IPv4 prefix. If all zeros
are entered, this represents a default route.
– Network Mask — Select the destination IPv4 mask.
– Prefix Length — Select the length of the destination IPv4 address
prefix. Dell PowerConnect 55xx Systems User Guide 219
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– Next Hop — Enter the IP address to which the packet is forwarded on
the route to the destination address. This is typically the address of a
neighboring switch.
– Route Type — Select the route type. The possible options are:
• Reject — Rejects the route and stops routing to the destination
network via all gateways. This ensures that if a frame arrives with
the destination IP of this route, it is dropped.
• Remote — The route is a remote path.
– Metric (1-255) — Enter the administrative distance (cost) to the
destination.
Defining IPv4 Static Routing Using CLI Commands
The following table summarizes the CLI commands for configuring IPv4
static routing.
The following is an example of the CLI command:
Table 9-24. IPv4 Static Routing CLI Commands
CLI Command Description
ip routing
no ip routing
Enables IPv4 Routing.
Use the no format of the
command to disable IPv4
Routing.
ip route prefix {mask|prefixlength} ip-address-next-hop
[metric distance] [reject-route]
no ip route prefix {mask|prefixlength} [ip-address-next-hop]
Configures static routes.
Use the no form of this
command to remove static
routes.
show ip route Displays the current routing
table state.
console(config)# ip route prefix 192.168.1.1 /8
10.5.234.255 metric 3 reject-route220 Dell PowerConnect 55xx Systems User Guide
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Configuring Two IP Networks on Two Different VLANS Using CLI
The following shows how to configure two IP networks on two different
VLANS using CLI:
To test this setup described in Figure 9-18:
1 Connect a host whose address is 1.1.1.2 to interface 1/0/1 (default route
1.1.1.1)
2 Connect a host whose address 2.1.1.2 to port 1/0/2 (default route 2.1.1.1)
3 Ping from 1.1.1.2 to 2.1.1.2 to verify the configuration
Table 9-25. Sample CLI Script to Configure Two IP Networks on Two Different VLANSs
CLI Command Description
console#config Enter Global Configuration
mode.
console(config)# vlan database Enter VLAN mode.
console(config-vlan)# vlan 100-150 Create VLANs number 100 to
150.
console(config-vlan)# exit Exit VLAN mode.
console(config)#interface gi1/0/1 Enter Interface mode for port
1 on unit 1.
console(config-if)# switchport access
vlan 100
Make port a member of
VLAN 100.
console(config-if)# ip address
1.1.1.1 255.255.255.0
Set the IP address with mask.
console(config-vlan)# exit Exit Interface mode for port.
console(config)#interface gi1/0/2 Enter Interface mode for port
2 on unit 1.
console(config-if)# switchport access
vlan 150
Make port a member of
VLAN 150.
console(config-if)# ip address
2.1.1.1 255.255.255.0
Set the IP address with mask.
console(config-vlan)# exit Exit Interface mode for port.Dell PowerConnect 55xx Systems User Guide 221
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Figure 9-18. IP Routing Setup
IPv6 Interfaces
The system supports IPv6-addressable hosts.
To define IPv6 interfaces:
1 Click System > IP Addressing > IPv6 Interface in the tree view to open
the IPv6 Interface: Summary page.
Figure 9-19. IPv6 Interface: Summary
PC 1.1.1.1
Switch
PC 2.1.1.1
VLAN 100
VLAN 150222 Dell PowerConnect 55xx Systems User Guide
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2 Select an interface. The IPv6 addresses defined on the interface are
displayed. In addition to the fields described in the Add pages, the
following fields are displayed:
– ICMP Error Rate Limit Interval (0-2147483647) — Enter the
rate-limit interval for ICMPv6 error messages in milliseconds. The
value of this parameter together with the Bucket Size parameter
(below) determines how many ICMP error messages may be sent per
time interval, for example, a rate-limit interval of 100 ms and a bucket
size of 10 messages translates to 100 ICMP error messages per second.
– ICMP Error Rate Limit Bucket Size (1-200) — Enter the bucket size
for ICMPv6 error messages. The value of this parameter together with
the ICMP Error Rate Limit Interval parameter determines how many
ICMP error messages may be sent per time interval, for example, a
rate-limit interval of 100 ms and a bucket size of 10 messages
translates to 100 ICMP error messages per second.
3 To add a new IPv6 interface, click Add IPv6 Interface, and enter the fields:
– Interface — Select an IPv6 interface to be configured.
– Number of DAD Attempts — Enter the number of consecutive
neighbor solicitation messages that are sent on an interface while
Duplicate Address Detection (DAD) is performed on Unicast IPv6
addresses on this interface. New addresses remain in a tentative state
while duplicate address detection is performed. A field value of 0,
disables duplicate address detection processing on the specified
interface. A field value of 1, indicates a single transmission without
follow up transmissions.
– Autoconfiguration — Enable/disable stateless auto configuration of
IPv6 address assignment. When enabled, the router solicitation ND
procedure is initiated. This discovers a router in order to assign an IP
address to the interface, based on prefixes received with RA messages.
When auto configuration is disabled, no automatic assignment of
IPv6 global Unicast addresses is performed, and existing,
automatically-assigned IPv6 global Unicast addresses are removed
from the interface. Dell PowerConnect 55xx Systems User Guide 223
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– Send ICMP Unreachable — Enable/disable transmission of ICMPv6
address Unreachable messages. When enabled, unreachable messages
are generated for any packet arriving on the interface with unassigned
TCP/UDP port.
4 To add an address to an IPv6 interface, click Add IPv6 Address, and enter
the fields for the selected interface:
– IPv6 Address Type — Check the means by which the IP address was
added to the interface. The possible options are:
• Link Local — The IP address is link local; non-routable and can
be used for communication on the same network only. A Link
Local address has a prefix of 'FE80'.
• Global Unicast — The IP address is a globally unique IPv6
Unicast address; visible and reachable from different subnets.
• Global Anycast — The IP address is a globally unique IPv6
Anycast address; visible and reachable from different subnets.
– IPv6 Address — Enter the IPv6 address assigned to the interface. The
address must be a valid IPv6 address, specified in hexadecimal using
16-bit values between colons. An example of an IPv6 address is
2031:0:130F:0:0:9C0:876A:130D and the compressed version is
represented as 2031:0:130F::9C0:876A:130D. Up to five IPv6
addresses (not including Link Local addresses) can be set per
interface, with the limitation of up to128 addresses per system.
– Prefix Length — For global Unicast or Anycast, enter the length of the
IPv6 prefix. The length is a decimal value that indicates how many of
the high-order contiguous bits of the address comprise the prefix (the
network portion of the address). The Prefix field is applicable only on a
static IPv6 address defined as a Global IPv6 address.
– EUI-64 — For global Unicast or Anycast, check to use the EUI-64
option.224 Dell PowerConnect 55xx Systems User Guide
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Defining IPv6 Interfaces Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the IPv6 Interface pages.
Table 9-26. IPv6 Interfaces CLI Commands
CLI Command Description
ipv6 enable [no-autoconfig]
no ipv6 enable
Enables the IPv6 addressing mode on an
interface.
Use the no form of this command to
disable the IPv6 addressing mode on an
interface
ipv6 address autoconfig
no ipv6 address autoconfig
Enables automatic configuration of IPv6
addresses, using stateless auto
configuration on an interface. Addresses
are configured depending on the prefixes
received in Router Advertisement
messages.
Use the no form of this command to
disable address auto configuration on the
interface.
ipv6 icmp error-interval
milliseconds [bucketsize]
no ipv6 icmp error-interval
Configures the rate limit interval and
bucket size parameters for IPv6 Internet
Control Message Protocol (ICMP) error
messages.
Use the no form of this command to
return the interval to its default setting.
ipv6 address ipv6-
address/prefix-length [eui-64]
[anycast]
no ipv6 address [ipv6-
address/prefix-length] [eui-
64]
Configures an IPv6 address for an
interface.
Use the no form of this command to
remove the address from the interface.Dell PowerConnect 55xx Systems User Guide 225
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ipv6 address ipv6-
address/prefix-length linklocal
no ipv6 address link-local
Configures an IPv6 link-local address for
an interface.
Use the no form of this command to
return to the default link local address on
the interface.
ipv6 unreachables
no ipv6 unreachables
Enables the generation of ICMP for IPv6
(ICMPv6) unreachable messages for
packets arriving on a specified interface.
Use the no form of this command to
prevent the generation of unreachable
messages.
ipv6 nd dad attempts attempt Configures the number of consecutive
neighbor solicitation messages that are
sent on an interface while Duplicate
Address Detection (DAD) is performed
on the unicast IPv6 addresses of the
interface.
show ipv6 interface
[[gigabitethernet|tengigabite
thernet] port-number|vlan
vlan-id|port-channel LAGnumber]
Displays the usability status of interfaces
configured for IPv6.
show ipv6 icmp error-interval Displays the IPv6 ICMP error
interval.
Table 9-26. IPv6 Interfaces CLI Commands (Continued)
CLI Command Description226 Dell PowerConnect 55xx Systems User Guide
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The following is a sample script to configure IPv6 using CLI:
IPv6 Default Gateway
Use the IPv6 Default Gateway pages to configure and view the default IPv6
router addresses. This list contains routers that are candidates to become the
switch default router for non-local traffic. The switch randomly selects a
router from the list. The switch supports one static IPv6 default router.
Dynamic default routers are routers that have sent router advertisements to
the switch IPv6 interface.
When adding or deleting IP addresses, the following events occur:
• When removing an IP interface, all of its default gateway IP addresses are
removed.
• Dynamic IP addresses cannot be removed.
• An alert message is displayed after a user attempts to insert more than one
IP address.
• An alert message is displayed when attempting to insert a non-Link Local
type address.
Table 9-27. Sample CLI Script to Configure IPv6 on a Port
CLI Command Description
console#config Enter Global Configuration
mode.
console(config)# interface vlan 1 Enter VLAN mode for VLAN
1.
console(config-if)# ipv6 enable Enable IPv6 (dynamic).
console(config-if)# ipv6 address
5::1/64
Set the IPv6 address (static)Dell PowerConnect 55xx Systems User Guide 227
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To configure a router:
1 Click System > IP Addressing > IPv6 Default Gateway in the tree view to
display the IPv6 Default Gateway: Summary page.
Figure 9-20. IPv6 Default Gateway: Summary
The previously-defined routers are displayed with the following fields:
– IPv6 Default IPv6 Address — The router’s address.
– Interface — The interface on which the router is accessed.
– Type — The means by which the default gateway was configured. The
possible options are:
• Static — The default gateway is user-defined.
• Dynamic — The default gateway is dynamically configured
through router advertisement.228 Dell PowerConnect 55xx Systems User Guide
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– State — The router’s status. The possible options are:
• Incomplete — Address resolution is in progress and the link-layer
address of the default gateway has not yet been determined.
• Reachable — The default gateway is known to have been
reachable recently (within tens of seconds ago).
• Stale — The default gateway is no longer known to be reachable
but until traffic is sent to the default gateway, no attempt is made
to verify its reachability.
• Delay — The default gateway is no longer known to be reachable,
and traffic has recently been sent to the default gateway. Rather
than probe the default gateway immediately, however, there is a
delay sending probes for a short while in order to give upper-layer
protocols a chance to provide reachability confirmation.
• Probe — The default gateway is no longer known to be reachable,
and Unicast Neighbor Solicitation probes are being sent to verify
reachability.
• Unreachable — No reachability confirmation was received.
2 To add an IPv6 default gateway, click Add, and enter the fields:
– IPv6 Address Type — Displays that the IP address was added to the
interface through a link local address.
– Link Local Interface — Displays the outgoing interface through
which the default gateway can be reached.
– Default Gateway IPv6 Address — Enter the Link Local IPv6 address
of the default gateway.
Defining IPv6 Default Gateway Parameters Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the IPv6 Default Gateway pages
.
Table 9-28. IPv6 Default Gateway CLI Commands
CLI Command Description
ipv6 default-gateway ipv6-
address
Defines an IPv6 default gateway.Dell PowerConnect 55xx Systems User Guide 229
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The following are examples of these CLI command:
ISATAP Tunnel
To deliver IPv6 addresses in an IPv4 network, a tunneling process must be
defined that encapsulates IPv6 packets in IPv4 packets.
The Intra-Site Automatic Tunnel Addressing Protocol (ISATAP) is an IPv6
transition mechanism that is used to transmit IPv6 packets between
dual-stack nodes (nodes that can accept both IPv4 and IPv6 addresses) on top
of an IPv4 network.
When enabling ISATAP on a tunnel interface, an explicit IPv4 address is
configured as the tunnel source, or an automatic mode exists, where the
lowest IPv4 address is assigned to an IP interface. This source IPv4 address is
used for setting the tunnel interface identifier according to ISATAP
addressing conventions. When a tunnel interface is enabled for ISATAP, the
tunnel source must be set for the interface in order for the interface to
become active.
An ISATAP address is represented using the [64-bit prefix]:0:5EFE:w.x.y.z,
where 5EFE is the ISATAP identifier and w.x.y.z is a public or private IPv4
address. Thus, a Link Local address will be represented as FE80::5EFE:w.x.y.z
show ipv6 route Displays the current state of the IPv6 routing
table.
console(config)# ipv6 default-gateway fe80::abcd
console(config-if)# do show ipv6 route
Codes: L - Local, S - Static, I - ICMP, ND - Router
Advertisement
The number in the brackets is the metric.
L 3000::/64 is directly connected, VLAN 20 Lifetime Infinite
L 4003::/64 is directly connected, VLAN 20 Lifetime Infinite
L 5003::/64 is directly connected, VLAN 20 Lifetime Infinite
L 6003::/64 is directly connected, VLAN 20 Lifetime Infinite
Table 9-28. IPv6 Default Gateway CLI Commands (Continued)
CLI Command Description230 Dell PowerConnect 55xx Systems User Guide
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After the last IPv4 address is removed from the interface, the ISATAP IP
interface state becomes inactive and is represented as Down, however the
Admin state remains Enabled.
When defining tunneling, note the following:
• An IPv6 Link Local address is assigned to the ISATAP interface. The initial
IP address is assigned to the interface, and the interface state becomes
Active.
• If an ISATAP interface is active, the ISATAP router IPv4 address is resolved
via DNS by using ISATAP-to-IPv4 mapping. If the ISATAP DNS record is
not resolved, the ISATAP host name-to-address mapping is searched in the
host name cache.
• When an ISATAP router IPv4 address is not resolved via the DNS process,
the status of the ISATAP IP interface remains Active. The system does not
have a default gateway for ISATAP traffic until the DNS procedure is
resolved.
• In order for an ISATAP Tunnel to work properly over an IPv4 network, an
ISATAP router is must be set up.Dell PowerConnect 55xx Systems User Guide 231
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To define an IPv6 ISATAP tunnel:
1 Click System > IP Addressing > IPv6 ISATAP Tunnel in the tree view to
display the ISATAP Tunnel page.
Figure 9-21. IPv6 ISATAP Tunnel
2 Enter the fields:
– ISATAP Status —Enable/disable the status of ISATAP on the device.
– IPv4 Address Type — Enter the source of the IPv4 address used by the
tunnel. The options are:
• Auto —Use the dynamic address.
• None —Disable the ISATAP tunnel
• Manual —Use the manual address assigned.
– IPv4 Address — Enter the local (source) IPv4 address of a tunnel
interface. 232 Dell PowerConnect 55xx Systems User Guide
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– Tunnel Router's Domain Name — Enter a specific automatic tunnel
router domain name.
– Domain Name Query Interval(10 - 3600) — Enter the interval
between DNS queries (before the IP address of the ISATAP router is
known) for the automatic tunnel router domain name.
– ISATAP Router Solicitation Interval(10 - 3600) — Enter the interval
between router solicitations messages when there is no active router.
– ISATAP Robustness (1 - 20) — Enter the number of DNS
Query/Router Solicitation refresh messages that the device sends per
second.
Select the Use Default option to use the default setting of a field.
Defining ISATAP Tunnel Parameters Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the ISATAP Tunnel pages.
Table 9-29. ISATAP Tunnel CLI Commands
CLI Command Description
interface tunnel number Enters tunnel interface configuration
mode.
tunnel mode ipv6ip {isatap}
no tunnel mode ipv6ip
Configures an IPv6 transition
mechanism global support mode.
Use the no form of this command to
remove an IPv6 transition mechanism.
tunnel isatap router router_name
no tunnel isatap router
Configures a global string that
represents a specific automatic tunnel
router domain name.
Use the no form of this command to
remove the string associated with the
router domain name and restore the
default configuration.
tunnel source {auto|ip-address
ipv4-address}
no tunnel source
Sets the local (source) IPv4 address of
a tunnel interface.
Use the no form of the command to
delete the tunnel local address.Dell PowerConnect 55xx Systems User Guide 233
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The following is an example of a CLI script to create a tunnel:
tunnel isatap query-interval
seconds
no tunnel isatap query-interval
Configures the interval between DNS
Queries (before the IP address of the
ISATAP router is known) for the
automatic tunnel router domain
name.
Use the no form of this command to
restore the default configuration.
tunnel isatap solicitationinterval seconds
no tunnel isatap solicitationinterval
Configures the interval between
ISATAP router solicitations messages
(when there is no active ISATAP
router).
Use the no form of this command to
restore the default configuration.
tunnel isatap robustness number
no tunnel isatap robustness
Configures the number of DNS
Query/Router Solicitation refresh
messages that the device sends.
Use the no form of this command to
restore the default configuration.
show ipv6 tunnel Displays information on the ISATAP
tunnel.
Table 9-30. ISATAP Tunnel CLI Script
CLI Command Description
console#config Enter Global Configuration
mode.
console(config)# interface vlan 1 Enter Interface mode for
VLAN 1.
console(config-if)# ip address
10.5.225.40 /27
Configure an IP address with
prefix length of 27.
console(config-if)# ip default-gateway
10.5.225.33
console(config-if)#exit
Set the address of the default
gateway and exit Interface
mode.
Table 9-29. ISATAP Tunnel CLI Commands (Continued)
CLI Command Description234 Dell PowerConnect 55xx Systems User Guide
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console (config)# ip domain lookup Enable DNS lookup
console(config)# ip name-server
176.16.1.18
Define DNS server
console(config)# interface tunnel 1 Enter tunnel mode
console(config-tunnel)#tunnel mode
ipv6ip isatap
Enable tunnel.
console(config-tunnel)#tunnel source
auto
The system minimum IPv4
address will be used as the
source address for packets
sent on the tunnel interface.
console(config-tunnel)# do show ipv6
tunnel
Display tunnel configuration
Table 9-30. ISATAP Tunnel CLI Script
CLI Command DescriptionDell PowerConnect 55xx Systems User Guide 235
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IPv6 Neighbors
The Neighbors feature is similar in functionality to the IPv4 Address
Resolution Protocol (ARP) feature. It enables detecting Link Local addresses
within the same subnet, and includes a database for maintaining reachability
information about active neighbors.
The device supports a total of up to 64 neighbors, obtained statically or
dynamically.
When removing an IPv6 interface, all neighbors entered statically or learned
dynamically, are removed.
To add an IPv6 neighbor:
1 Click System > IP Addressing > IPv6 Neighbors in the tree view to
display the IPv6 Neighbors: Summary page.
Figure 9-22. IPv6 Neighbors: Summary236 Dell PowerConnect 55xx Systems User Guide
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The previously-defined neighbors are displayed along with their states.
The possible states are:
– Incomplete — An address resolution is in progress, and the link-layer
address of the neighbor has not yet been determined.
– Reachable — The neighbor is known to have been reachable recently
(within tens of seconds).
– Stale — The neighbor is no longer known to be reachable, but until
traffic is sent to the neighbor, no attempt is made to verify its
reachability.
– Delay — The neighbor is no longer known to be reachable, and traffic
has recently been sent to the neighbor. Rather than probe the
neighbor immediately, however, there is a delay sending probes for a
short while, in order to give upper-layer protocols a chance to provide
reachability confirmation.
– Probe — The neighbor is no longer known to be reachable, and
Unicast Neighbor Solicitation probes are being sent to verify
reachability.
2 To clear the Neighbors table, select one of the following options:
– None — Does not clear any entries.
– Static Only — Clears the static entries.
– Dynamic Only — Clears the dynamic entries.
– All Dynamic and Static — Clears the static and dynamic address
entries.
3 To add a new IPv6 neighbor, click Add, and enter the fields:
– IPv6 Interface — Displays the interface on which IPv6 Interface is
defined.
– IPv6 Address — Enter the neighbor IPv6 address.
– MAC Address — Enter the MAC address assigned to the interface.Dell PowerConnect 55xx Systems User Guide 237
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4 To modify or remove an IPv6 neighbor, click Edit, and enter the fields
described on the Add page.
5 If an entry for the specified IPv6 address already exists in the neighbor
discovery cache, as learned through the IPv6 neighbor discovery process,
you can convert the entry to a static entry. To do this, select Static in the
Type field.
Defining IPv6 Neighbors Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the IPv6 Neighbors pages.
Table 9-31. IPv6 Neighbors CLI Commands
CLI Command Description
ipv6 neighbor ipv6_addr
{[gigabitethernet|tengigabitethernet]
port-number|vlan vlan-id|port-channel
LAG-number]} mac_addr
no ipv6 neighbor ipv6_addr
{[gigabitethernet|tengigabitethernet]
port-number|vlan vlan-id|port-channel
LAG-number]}
Configures a static entry in
the IPv6 neighbor discovery
cache.
Use the no form of this
command to remove a static
IPv6 entry from the IPv6
neighbor discovery cache.
show ipv6 neighbors
{static|dynamic}[ipv6-address ipv6-
address] [mac-address mac-address]
[[gigabitethernet|tengigabitethernet]
port-number|vlan vlan-id|port-channel
LAG-number]]
Displays IPv6 neighbor
discovery cache information.
clear ipv6 neighbors Deletes all entries in the IPv6
neighbor discovery cache.238 Dell PowerConnect 55xx Systems User Guide
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The following is an example of the CLI commands:
console# config
console(config)# ipv6 neighbor 3000::a31b vlan 1
001b.3f9c.84ea
console# show ipv6 neighbors dynamic
Interface IPv6 Address HW Address State Router
--------- ------------ ---------- ----- -----
VLAN 1 3000::a31b 0001b.3f9c.84ea Reachable YesDell PowerConnect 55xx Systems User Guide 239
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IPv6 Routes Table
The IPv6 Routes Table describes how to reach IPv6 destinations. The routing
table is used to determine the next-hop address and the interface used for
forwarding.
Each dynamic entry also has an associated invalidation timer value (extracted
from Router Advertisements). This timer is used to delete entries that are no
longer advertised.
To view IPv6 destinations and how they are reached:
• Click System > IP Addressing > IPv6 Routes Table in the tree view to
display the IPv6 Routes Table page.
Figure 9-23. IPv6 Routes Table
The following is displayed for each IP address:
– IPv6 Address — The destination IPv6 address.240 Dell PowerConnect 55xx Systems User Guide
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– Prefix Length — The length of the IPv6 prefix. This field is applicable
only when the destination address is defined as a global IPv6 address.
– Interface — The interface that is used to forward the packet. Interface
refers to any Port, LAG or VLAN.
– Next Hop — The address to which the packet is forwarded on the
route to the Destination address (typically the address of a
neighboring router). This can be either a Link Local or Global IPv6
address.
– Metric — The value used for comparing this route to other routes
with the same destination in the IPv6 route table. This is an
administrative distance with the range of 0-255.
– Life-Time — The timeout interval of the route if no activity takes
place. Infinite means the address is never deleted.
– RouteType — Specifies whether the destination is directly-attached
and the means by which the entry was learned. The possible options
are:
• Local — A directly-connected route entry.
• Static — Manually configured route, supported only for default
gateway, learned through the Neighbor Discover (ND) process.
• ICMP — The route was learned through ICMP Redirect
messages, sent by the router.
• ND — Route was learned by the ND protocol from Router
Advertisement messages.
Viewing IPv6 Routes Table Parameters Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the IPv6 Routes Table page.
Table 9-32. IPv6 Routes Table CLI Commands
CLI Command Description
show ipv6 route Displays the current state of the ipv6
routing table.Dell PowerConnect 55xx Systems User Guide 241
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The following is an example of the CLI commands:
console> show ipv6 route
Codes: L - Local, S - Static, I - ICMP, ND - Router
Advertisement
The number in the brackets is the metric.
S::/0 via fe80::77 [0] VLAN 1 Lifetime Infinite
ND::/0 via fe80::200:cff:fe4a:dfa8 [0] VLAN 1 Lifetime
1784 sec
L 2001::/64 is directly connected, g2 Lifetime Infinite
L 2002:1:1:1::/64 is directly connected, VLAN 1 Lifetime
2147467 sec
L 3001::/64 is directly connected, VLAN 1 Lifetime
Infinite
L 4004::/64 is directly connected, VLAN 1 Lifetime
Infinite
L 6001::/64 is directly connected, g2 Lifetime Infinite242 Dell PowerConnect 55xx Systems User Guide
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Domain Name System
The Domain Name System (DNS) converts user-defined domain names into
IP addresses. Each time a domain name is assigned, the DNS service
translates the name into a numeric IP address, for example,
www.ipexample.com is translated into 192.87.56.2. DNS servers maintain
domain name databases and their corresponding IP addresses.
To add a DNS server and specify the active DNS server:
1 Click System > IP Addressing > Domain Name System in the tree view
to display the Domain Name System: Summary page.
Figure 9-24. Domain Name System: Summary
The list of previously-defined DNS servers is displayed.
2 To enable mapping of host names into IP addresses through a DNS server,
select DNS Status.
3 To activate one of the currently-defined DNS servers, enable Active Server.Dell PowerConnect 55xx Systems User Guide 243
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4 To add a DNS server, click Add, and enter the fields:
– Supported IP Format — Select whether the IPv4 or IPv6 format is
supported.
– IPv6 Address Type — When the server supports IPv6, this specifies
the type of static address supported. The possible options are:
• Link Local — A Link Local address that is non-routable and used
for communication on the same network only.
• Global — A globally unique IPv6 address; visible and reachable
from different subnets.
– Link Local Interface — When the server supports an IPv6 Link Local
address, this specifies the Link Local interface. The possible options
are:
• VLAN — The VLAN on which the IPv6 interface is configured.
• ISATAP — The IPv6 interface is configured on an ISATAP
tunnel.
– DNS Server — Enter the IP address of the DNS server being added.
– DNS Server Currently Active — Displays the DNS server that is
currently active.
– Set DNS Server Active — Check to activate the selected DNS server.
Configuring DNS Servers Using the CLI Commands
The following table summarizes the CLI commands for configuring the fields
in the Domain Name System pages.
Table 9-33. DNS CLI Commands
CLI Command Description
ip domain lookup Enables DNS system for translating host
names to IP addresses.
ip name-server {server1-
ipv4-address|server1-ipv6-
address} [server-address2
…server-address8]
no ip name-server [serveraddress … server-address8]
Sets the available name servers. Up to eight
name servers can be set.
The no form of the command removes a
name server.244 Dell PowerConnect 55xx Systems User Guide
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The following is an example of the CLI commands:
clear host Deletes entries from the host name-toaddress cache.
clear host dhcp {name|*} Deletes entries from the host name-toaddress mapping received from DHCP.
show hosts Displays the default domain name, the list
of name server hosts, the static and the
cached list of host names and addresses
console (config)# ip domain lookup
console(config)# ip name-server 176.16.1.18
Table 9-33. DNS CLI Commands (Continued)
CLI Command DescriptionDell PowerConnect 55xx Systems User Guide 245
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Default Domain Names
A default domain name is used when an IP address cannot be mapped to a
known domain name. This domain name is applied to all unqualified host
names.
To define the default domain name:
1 Click System > IP Addressing > Default Domain Name to display the
Default Domain Name page.
Figure 9-25. Default Domain Name
If there is a currently-defined default domain name, it is displayed.
2 Enter the Default Domain Name (1 - 160 Characters).
Its Type is displayed, and has one of the following options:
– Dynamic — The IP address was created dynamically.
– Static — The IP address is a static IP address.246 Dell PowerConnect 55xx Systems User Guide
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Defining Default Domain Names Using the CLI Commands
The following table summarizes the CLI commands for configuring the
default domain name:
The following is an example of the CLI commands:
Table 9-34. Default Domain Name CLI Commands
CLI Command Description
ip domain-name name
no ip domain-name
Defines a default domain name that the software uses
to complete unqualified host names.
The no form of the command disables the use of the
Domain Name System (DNS).
console(config)# ip domain-name dell.com Dell PowerConnect 55xx Systems User Guide 247
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Host Name Mapping
Host names can be dynamically mapped to IP addresses through the Domain
Name System pages, or statically through the Host Name Mapping page.
To assign IP addresses to static host names.
1 Click System > IP Addressing > Host Name Mapping in the tree view to
display the Host Name Mapping: Summary page.
Figure 9-26. Host Name Mapping: Summary
The currently-defined host names are displayed.
2 Click Add to add a new host name. Up to four IP addresses can be added.
3 For each IP address, enter the fields:
– Supported IP Format — Select whether the IPv4 or IPv6 format is
supported. 248 Dell PowerConnect 55xx Systems User Guide
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– IPv6 Address Type — When the server supports IPv6, this specifies
the type of static address supported. The possible options are:
• Link Local — A Link Local address that is non-routable and used
for communication on the same network only.
• Global — A globally unique IPv6 address; visible and reachable
from different subnets.
– Link Local Interface — When the server supports an IPv6 Link Local
address, this specifies the Link Local interface. The possible options
are:
• VLAN — The VLAN on which the IPv6 interface is configured.
• ISATAP — The IPv6 interface is configured on an ISATAP
tunnel.
• Host Name (1-160 Characters) — Enter the host name to be
associated with the IP address entered below.
• IP Address — Enter the IP address of the domain. Four addresses can
be entered.
4 Click Remove to delete a host name. All addresses for this host name are
deleted at the same time.
Mapping IP Addresses to Domain Host Names Using the CLI Commands
The following table summarizes the CLI commands for mapping domain
host names to IP addresses.
Table 9-35. Domain Host Name CLI Commands
CLI Command Description
ip host name address
[address2 address3
address4]
Defines the static host name-to-address mapping in
the host cache
no ip host name Removes the name-to-address mapping.
clear host {name|*} Deletes entries from the host name-to-address cache.
show hosts [name] Displays the default domain name, list of name server
hosts, the static and the cached list of host names and
addresses.Dell PowerConnect 55xx Systems User Guide 249
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The following is an example of the CLI commands:
ARP
The Address Resolution Protocol (ARP) converts IP addresses into physical
MAC addresses. ARP enables a host to communicate with other hosts when
their IP addresses are known.
To add an IP/MAC address mapping:
1 Click System > IP Addressing > ARP in the tree view to display the ARP:
Summary page.
Figure 9-27. ARP: Summary
console(config)# ip host accounting.abc.com 176.10.23.1250 Dell PowerConnect 55xx Systems User Guide
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The entries in the table are displayed.
2 Enter the parameters:
• ARP Entry Age Out (1 - 40000000) — Enter the amount of time in
seconds that can pass between ARP requests for this address. After
this period, the entry is deleted from the table.
• Clear ARP Table Entries — Select the type of ARP entries that are
cleared on all devices. The possible options are:
• None — ARP entries are not cleared.
• All — All ARP entries are cleared.
• Dynamic — Only learned ARP entries are cleared.
• Static — Only static ARP entries are cleared.
3 To add a mapping, click Add, and enter the fields:
– Interface — Select an interface to be associated with the addresses.
– IP Address — Enter the station IP address, which is associated with
the MAC address filled in below.
– MAC Address — Enter the station MAC address, which is associated
in the ARP table with the IP address.
4 To change the status of a mapping from static to dynamic or vice versa,
click Edit and enter the field:
– Status — Select the entry’s status. The possible options are:
• Static — The entry was statically entered.
• Dynamic — The entry was dynamically learned. Dell PowerConnect 55xx Systems User Guide 251
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Configuring ARP Using the CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the ARP pages.
The following is an example of the CLI commands:
Table 9-36. ARP CLI Commands
CLI Command Description
arp ip_addr mac_addr
{[gigabitethernet|tengigabit
ethernet] port-number|vlan
vlan-id|port-channel LAGnumber}
Adds a permanent entry in the ARP
cache.
no arp ip-address Removes an ARP entry from the ARP
Table.
arp timeout seconds Configures how long an entry remains in
the ARP cache. This command can be
used in Global Configuration mode for all
interfaces, or in Interface Configuration
mode for a specific interface.
clear arp-cache Deletes all dynamic entries from the ARP
cache
show arp Displays entries in the ARP Table.
show arp configuration Displays the global and interface
configuration of the ARP protocol
console(config)# arp 198.133.219.232 00-00-0c-40-0f-bc
console(config)# arp timeout 12000
console(config)# exit
console# show arp
ARP timeout: 12000 Seconds
Interface IP Address HW Address Status
--------- ---------- ---------- ------
gi1/0/11 10.7.1.102 00:10:B5:04:DB:4B dynamic
gi1/0/12 10.7.1.135 00:50:22:00:2A:A4 static252 Dell PowerConnect 55xx Systems User Guide
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UDP Relay
Switches do not typically route IP Broadcast packets between IP subnets.
However, if configured, the switch can relay specific UDP Broadcast packets
received from its IPv4 interfaces to specific destination IP addresses.
To configure the relaying of UDP packets received from a specific IPv4
interface with a destination UDP port:
1 Click System > IP Addressing > UDP Relay in the tree view to display
the UDP Relay: Summary page.
Figure 9-28. UDP Relay: SummaryDell PowerConnect 55xx Systems User Guide 253
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The UDP relays are displayed.
2 To add a UDP relay, click Add, and enter the fields:
– Source IP Address — Select the source IP address to where the switch
is to relay UDP Broadcast packets, based on a configured UDP
destination port. The interface must be one of the IPv4 interfaces
configured on the switch. Select All for all addresses.
– UDP Port (1 - 65535) — Check Default Services to select all of the
following default ports:
• IEN-116 Name Service (port 42)
• DNS (port 53)
• NetBIOS Name Server (port 137)
• NetBIOS Datagram Server (port 138)
• TACACS Server (port 49)
• Time Service (port 37)
If Default Services are not selected, check the text box and enter a
UDP port.
– Destination IP Address — Enter the IP address that receives the UDP
packet relays. If this field is 0.0.0.0, UDP packets are discarded. If this
field is 255.255.255.255, UDP packets are flooded to all IP interfaces.
Configuring UDP Relay Using the CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the UDP Relay pages.
Table 9-37. UDP Relay CLI Commands
CLI Command Description
ip helper-address {ipinterface|all} address [udpport-list]
no ip helper-address {ipinterface|all} address
Enables the forwarding of User
Datagram Protocol (UDP) broadcast
packets received on an interface to a
specific (helper) address.
Use the no form of this command to
disable the forwarding of broadcast
packets to a specific (helper) address.254 Dell PowerConnect 55xx Systems User Guide
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The following is an example of the CLI commands:
console (config)# ip helper-address all 172.16.9.9 49 53
console (config)# do show ip helper-address
Interface Helper Address UDP Ports
----------- --------------- --------------------------
All 172.16.9.9 49,53Dell PowerConnect 55xx Systems User Guide 255
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Diagnostics
This section describes how to perform cable tests on copper and fiber optic
cables.
It contains the following sections:
• Integrated Cable Test
• Optical Transceiver Diagnostics256 Dell PowerConnect 55xx Systems User Guide
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Integrated Cable Test
Time Domain Reflectometry (TDR) technology is used to test the quality
and characteristics of a copper cable attached to a port. Cables up to 120
meters long can be tested. Cables can only be tested when the ports are in the
down state, with the exception of Approximated Cable Length test.
This test can only be performed when the port is up and operating at 1 Gbps.
To perform a cable test and view the results:
1 Click System > Diagnostics > Integrated Cable Test: Summary in the
tree view to display the Integrated Cable Test: Summary page.
Figure 9-29. Integrated Cable Test: Summary
2 Select a unit in the stack in the Unit ID field. Results from previously-run
tests on that unit are displayed.
3 Ensure that both ends of the copper cable are connected to a device. Dell PowerConnect 55xx Systems User Guide 257
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4 Ensure that the cable is connected to tested port. Go to the Test tab.
5 Click Test Now. The copper cable and Approximate Cable Length tests are
performed, and the following test results are displayed:
– Test Result — Displays the cable test results. The possible options are:
• No Cable — There is no cable connected to the port.
• Open Cable — The cable is connected on only one side.
• Short Cable — A short has occurred in the cable.
• OK — The cable passed the test.
– Cable Fault Distance — Displays the distance from the port where
the cable error occurred.
– Last Update — Displays the last time the port was tested.
– Approximate Cable Length — Displays the approximate cable length.
Performing Integrated Cable Tests Using CLI Commands
The following table contains the CLI commands for performing integrated
cable tests.
Table 9-38. Integrated Cable Test CLI Commands
CLI Command Description
test cable-diagnostics tdr
interface[gigabitethernet|tengigab
itethernet] port-number
Performs VCT tests.
show cable-diagnostics tdr
interface[gigabitethernet|tengigab
itethernet] port-number
Shows results of last VCT tests on
ports.
show cable-diagnostics cablelength interface
[gigabitethernet|tengigabitetherne
t] port-number
Displays the estimated copper
cable length attached to a port.258 Dell PowerConnect 55xx Systems User Guide
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The following is an example of the CLI commands:
Optical Transceiver Diagnostics
The Optical Transceiver Diagnostics page displays the operating conditions
reported by the SFP (Small Form-factor Pluggable) transceiver. Some
information might not be available for SFPs that do not support the digital
diagnostic monitoring standard SFF-8472.
The following is the list of the compatible SFPs:
• SFP:
– X3366 — 1000Base-SX, Finisar FTLF8519P2BNL
– U3650 — 1000Base-LX, Finisar FTRJ1319P1BTL
• SFP+:
– N743D — SR, Finisar FTLX8571D3BCL
– T307D — LR, Finisar FTLX1471D3BCL
– C043H — LRM, Avago AFBR-707SDZ-D1
– N198M — LRM, Finisar FTLX1371D3BCL
console> enable
console# test cable-diagnostics tdr gi1/0/3
Cable is open at 100 meters.
console# show cable-diagnostics cable-length interface
gi2/0/5
Port Length [meters]
------- ----------------
gi2/0/5 < 50Dell PowerConnect 55xx Systems User Guide 259
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To view the results of optical fiber tests:
• Click System > Diagnostics > Optical Transceiver Diagnostics in the
tree view to display the Optical Transceiver Diagnostics page.
Figure 9-30. Optical Transceiver Diagnostics
The following fields are displayed for the selected unit:
– Port — The port number on which the cable was tested.
– Temperature — The temperature (C) at which the cable is operating.
– Voltage — The voltage at which the cable is operating.
– Current — The current at which the cable is operating.
– Output Power — The rate at which output power is transmitted.
– Input Power — The rate at which input power is transmitted.
– Transmitter Fault — A fault occurred during transmission.
– Loss of Signal — A signal loss occurred in the cable.
– Data Ready — The transceiver has achieved power up, and data is
ready.260 Dell PowerConnect 55xx Systems User Guide
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Performing Fiber Optic Cable Tests Using CLI Commands
The following table contains the CLI command for performing fiber optic
cable tests.
The following is an example of the CLI command:
Table 9-39. Fiber Optic Cable Test CLI Commands
CLI Command Description
show fiber-ports opticaltransceiver [interface
[gigabitethernet|tengigabitethe
rnet] port-number] [detailed]
Displays the optical transceiver
diagnostics.
console# show fiber-ports optical-transceiver detailed
Port Temp
[C]
Voltage Current
[aM]
Output
[mWat]
Input
[mWa]
POWER
[mWa]
LOS
------- ---- ------- ---- ---- ---- ---- ---
gi1/0/1 48 5.15 50 1.789 1.789 No No
gi1/0/2 43 5.15 10 1.789 1.789 No NoDell PowerConnect 55xx Systems User Guide 261
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Management Security
This section describes the pages used to manage device security.
It contains the following topics:
• Access Profiles
• Profile Rules
• Authentication Profiles
• Select Authentication
• Active Users
• Local User Database
• Line Passwords
• Enable Password
• TACACS+
• Password Management
• RADIUS
Access Profiles
Access to management functions may be limited to users identified by:
• Ingress interface (Port, LAG, or VLAN)
• Source IP address
• Source IP subnet
Management access may be separately defined for the following types of
management access methods:
• Telnet (CLI over Telnet sessions)
• Secure Telnet
• Web (HTTP)
• Secure Web (HTTPS, Using SSL)
• SNMP 262 Dell PowerConnect 55xx Systems User Guide
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This means, for example, that the set of managers allowed via Telnet may be
different than the set of Web-based managers which is, in turn, may be
different than the set of secure-web based managers, and so on.
A specific management access method may be completely disabled by
denying all user access to it (e.g. denying all users access to CLI/Telnet
management effectively disables CLI/Telnet as an available management
interface to the system).
By default, management access to the system, through all methods, is
enabled over all interfaces.
NOTE: If you enable management access through a physical port, all VLANs and
IP interfaces on that port will be acceptable management traffic sources. If you
enable management access through a VLAN, all ports and IP interfaces on that
VLAN will be acceptable. If specific IP address(es) are specified, only traffic from
the specified IP addresses on the appropriate ports will be accepted.
Access Profiles Rules
Each management access profile is composed of at least one rule, which acts
as a filter, and defines the device management method, interface type, source
IP address, network mask, and the device management access action.
Users can be blocked or permitted management access.
Rule priority sets the order in which the rules are implemented. Assigning an
access profile to an interface denies access via other interfaces. If an access
profile is not assigned to any interface, the device can be accessed by all
interfaces.
A total of 256 rules can be defined for all Management Access profiles.
To add rules to existing access profiles, see "Profile Rules" on page 266.Dell PowerConnect 55xx Systems User Guide 263
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Creating an Access Profile
To define an access profile with a single rule:
1 Click System > Management Security > Access Profiles in the tree view
to display the Access Profiles: Summary page.
Figure 9-31. Access Profiles: Summary
The currently-defined access profiles are displayed.
2 To activate an access profile, select it in the Active Access Profile field.
If you select Console Only, active management of the device can only be
performed using the console connection. This profile cannot be removed.
3 To add a new profile, click Add, and enter the fields:
– Access Profile Name (1-32 Characters) — Enter a name for the access
profile. 264 Dell PowerConnect 55xx Systems User Guide
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– Rule Priority (1-65535) — Enter the rule priority. Rules are applied to
packets according to their priority. These can be viewed in the Profile
Rules: Summary page.
– Management Method — Select the management method to which
the access profile is applied. Users using this management method are
authenticated using this access profile. The possible options are:
• All — The access profile is applied to all management methods.
• Telnet — The access profile is applied to Telnet users.
• Secure Telnet (SSH) — The access profile is applied to SSH
users.
• HTTP — The access profile is applied to HTTP users.
• Secure HTTP (HTTPS) — The access profile is applied to
HTTPS users.
• SNMP — The access profile is applied to SNMP users.
– Interface — Check the fields and select the interface type to which
the rule applies.
– Enable Source IP Address — Check this parameter to restrict access,
based on the source IP address. When this field is not selected, the
source IP address cannot be entered into a configured rule.
– Supported IP Format — Select whether the IPv4 or IPv6 format is
supported for the source IP addresses.
– Source IP Address — Enter the interface source IP address for which
the rule applies. This is an optional field and indicates that the rule is
valid for a subnetwork.
– Network Mask — Enter the IP subnetwork mask if Supported IP
Format is IPv4.
– Prefix Length — Enter the number of bits that comprise the source IP
address prefix, or the network mask of the source IP address.
– Action — Select whether to permit or deny management access to the
defined interface. The possible options are:
• Permit — Permits access to the device.
• Deny — Denies access to the device. Dell PowerConnect 55xx Systems User Guide 265
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Defining Access Profiles Using CLI Commands
The following table contains the CLI command for defining an access profile,
without its rules. The CLI commands for defining the rules are described in
"Defining Access Profile Rules Using CLI Commands" on page 267.
The following is an example of the CLI commands:
Table 9-40. Access Profile CLI Commands
CLI Command Description
management access-list
name
no management access-list
name
Defines an access-list for management.
Use the no form of this command to delete an
access list.
console(config)# management access-list mlist
console(config-macl)#266 Dell PowerConnect 55xx Systems User Guide
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Profile Rules
If an access profile already exists, meaning that a single rule has been defined
on it, use the Profile Rules pages to add additional rules to it.
To add a rule to a management access profiles:
1 Click System > Management Security > Profile Rules in the tree view to
display the Profile Rules: Summary page.
Figure 9-32. Profile Rules: Summary
2 Select an access profile name. Its rules are displayed in the order that they
will be implemented.
3 To add a rule to the selected management access profile, click Add.
4 Select a management access profile.
5 Complete the fields that are defined in Access Profiles pages.Dell PowerConnect 55xx Systems User Guide 267
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Defining Access Profile Rules Using CLI Commands
The following table summarizes the CLI commands for adding rules to access
profiles.
Table 9-41. Access Profiles CLI Commands
CLI Command Description
permit[[gigabitethernet|tengigab
itethernet port-number]|vlan
vlan-id|port-channel LAG-number]
[service service]
Sets port permit conditions for the
management access list.
permit ip-source {ipv4-
address|ipv6-address|prefixlength} [mask mask|prefixlength]
[[gigabitethernet|tengigabitethe
rnet][port-number|vlan vlanid|port-channel LAG-number]
[service service]
Sets port permitting conditions for
the management access list, and the
selected management method.
deny
[[gigabitethernet|tengigabitethe
rnet] port-number|vlan vlanid|port-channel LAG-number]
[service service]
Sets port denying conditions for the
management access list, and the
selected management method.
deny ip-source {ipv4-
address|ipv6-address|prefixlength} [mask mask|prefixlength]
[[gigabitethernet|tengigabitethe
rnet] port-number|vlan vlanid|port-channel LAG-number]
[service service]
Sets port denying conditions for the
management access list, and the
selected management method.
management access-class
{console-only|name}
no management access-class
Defines which access-list is used as
the active management connections.
Use the no form of this command to
disable management connection
restrictions.268 Dell PowerConnect 55xx Systems User Guide
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The following is an example of the CLI commands:
show management access-list
[name]
Displays the active management
access-lists.
show management access-class Displays information about
management access-class.
console(config)# management access-list mlist
console(config-macl)# permit gi1/0/1
console(config-macl)# permit gi1/0/2
console(config-macl)# deny gi1/0/3
console(config-macl)# deny gi1/0/4
console(config-macl)# exit
console(config)# management access-class mlist
console(config)# exit
console# show management access-list
mlist
-----
permit gi1/0/1
permit gi1/0/2
deny gi1/0/3
deny gi1/0/4
! (Note: all other access implicitly denied)
console# show management access-class
Management access-class is enabled, using access list
mlist
Table 9-41. Access Profiles CLI Commands (Continued)
CLI Command DescriptionDell PowerConnect 55xx Systems User Guide 269
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Authentication Profiles
In addition to access profiles, you can configure authentication for
management access methods, such as SSH, console, Telnet, HTTP, and
HTTPS.
User authentication can occur:
• Locally
• Via an external server, such as a TACACS+ or a RADIUS server
User authentication occurs in the order that the methods are selected, for
example, if both the Local and RADIUS options are selected, the user is
authenticated first locally. If the local user database is empty, the user is
authenticated via the RADIUS server.
If an error occurs during the authentication, the next selected method is
used.
If an authentication method fails, or the user has an insufficient privilege
level, the user is denied access to the switch. The switch then stops, does not
continue, and does not attempt to use the next authentication method.
If a privilege level is redefined, the user must also be re-defined.
User authentication can also be set to None, in which case no authentication
is performed.
The process of configuring authentication for management access methods is
divided into the following stages:
• Create an authentication profile, as described below
• Assign an authentication profile to a management method, as described in
"Select Authentication" on page 272270 Dell PowerConnect 55xx Systems User Guide
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To create an authentication profile:
1 Click System > Management Security > Authentication Profiles in the
tree view to display the Authentication Profiles: Summary page.
Figure 9-33. Authentication Profiles: Summary
All currently-defined authentication profiles are displayed.
2 Click Add to add a new authentication profile, and enter the fields:
– Profile Name (1-12 Characters) — Enter the name of the new
authentication profile. Profile names cannot include blank spaces.
– Authentication Method: Optional Methods — Select a user
authentication methods that can be assigned to this authentication
profile. The possible options are:
• Line — The line password is used for user authentication
(defined in "Line Passwords" on page 279).Dell PowerConnect 55xx Systems User Guide 271
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• Enable — The enable (encrypted) password is used for
authentication (defined in "Enable Password" on page 281).
• Local — The user authentication is performed by the device,
which checks the user name and password for authentication.
• RADIUS — The user authentication is performed by the
RADIUS server. For more information, see "RADIUS" on
page 291.
• TACACS+ — The user authentication is performed by the
TACACS+ server. For more information, see "TACACS+" on
page 282.
• None — No user authentication occurs.
Select a method by highlighting it in the Optional Methods list, and
clicking on the right arrow to move it to the Selected Methods list.
Configuring an Authentication Profile Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the Authentication Profiles pages.
The following is an example of the CLI commands:
Table 9-42. Authentication Profile CLI Commands
CLI Command Description
aaa authentication login
{default|list-name} method1
[method2]
no aaa authentication login
{default|list-name}
Configures login authentication.
Use the no form of the command to
remove a login authentication profile.
console(config)# aaa authentication login default radius
local enable none272 Dell PowerConnect 55xx Systems User Guide
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Select Authentication
After Authentication Profiles are defined, the Authentication Profiles can be
assigned to Management Access methods, for example, console users can be
authenticated by Authentication Profile 1, while Telnet users can be
authenticated by Authentication Profile 2.
To assign an authentication profile to a management access method:
1 Click System > Management Security > Select Authentication in the
tree view to display the Select Authentication page.
Figure 9-34. Select Authentication
2 For the Console, Telnet and Secure Telnet (SSH) types of users, select
either the default authentication profile or one of the previously-defined
authentication profiles.Dell PowerConnect 55xx Systems User Guide 273
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3 For Secure HTTP and HTTP types of users, select one or all of the
Optional Methods and click the right-arrow to move them to the Selected
Methods. The options are:
– Local — Authentication occurs locally.
– None — No authentication method is used for access.
– RADIUS — Authentication occurs at the RADIUS server.
– TACACS+ — Authentication occurs at the TACACS+ server.
Assigning Access Authentication Profiles Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the Select Authentication page.
Table 9-43. Select Authentication CLI Commands
CLI Command Description
aaa authentication enable {default|listname} method [method2 ...]
no aaa authentication enable {default|listname}
Indicates the authentication
method list when accessing a
higher privilege level from a
remote Telnet, Console or SSH.
enable authentication [default|list-name]
no enable authentication
Specifies the authentication
method for accessing a higher
privilege level from a remote
Telnet or console.
Use the no form of this
command to restore the default
authentication method
login authentication [default|list-name] Indicates the login
authentication method list for a
remote Telnet, Console or SSH.
ip http authentication aaa loginauthentication method1 [method2]
no ip http authentication aaa loginauthentication
Indicates authentication
methods for HTTP or HTTPS
servers.
show authentication methods Displays information about the
authentication methods.274 Dell PowerConnect 55xx Systems User Guide
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The following is an example of the CLI commands that sets authentication
for the console using the default method list that was previously-defined:
The following is an example of the CLI commands that creates an
authentication method list for http server access (RADIUS and local):
console(config)#line console
console(config-line)# enable authentication default
console(config-line)# login authentication default
console(config-line)# exit
console(config)# ip http authentication aaa loginauthentication radius local
console(config)# exitDell PowerConnect 55xx Systems User Guide 275
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Active Users
To view active users on the device:
• Click System > Management Security > Active Users in the tree view to
display the Active Users page.
Figure 9-35. Active Users
The following fields are displayed for all active users:
– Name — Active users logged into the device.
– Protocol — The management method by which the user is connected
to the device.
– Location — The user’s IP address.276 Dell PowerConnect 55xx Systems User Guide
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Displaying Active Users Using CLI Commands
The following table summarizes the CLI commands for viewing active users
connected to the device.
The following example shows an example of the CLI command:
Table 9-44. Active Users CLI Commands
CLI Command Description
show users Displays information about active users.
console> show users
Username Protocol Location
-------- -------- ---------
Bob Serial
John SSH 172.16.0.1
Robert HTTP 172.16.0.8
Betty Telnet 172.16.1.7Dell PowerConnect 55xx Systems User Guide 277
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Local User Database
Use the Local User Database pages to define users, passwords and access
levels.
To add a new user:
1 Click System > Management Security > Local User Database in the tree
view to display the Local User Database: Summary page.
Figure 9-36. Local User Database: Summary
All users are displayed even if they have been suspended.
If a user has been suspended, it can be restored here by selecting the
Reactivate Suspended User field.
2 To add a user, click Add, and enter the fields:
– User Name (1-20 characters) — Enter the username of the user.278 Dell PowerConnect 55xx Systems User Guide
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– Access Level — Select a user access level. The lowest user access level
is 1 and 15 is the highest user access level. Users with access level 15
are Privileged Users, and only they can access and use the switch
administrator.
– Password (8-64 characters) — Enter the password of the user.
– Confirm Password — Confirm the password of the user.
The following fields are displayed:
• Expiry Date — The expiration date of the user-defined password.
• Lockout Status — Specifies whether the user currently has access
(status Usable), or whether the user is locked out due to too many
failed authentication attempts since the user last logged in
successfully (status Locked).
• Reactivate Suspended User — Check to reactivate the specified
user’s access rights. Access rights can be suspended after
unsuccessfully attempting to login.
Configuring Local Users Using CLI Commands
The following table summarizes the CLI commands for configuring local
users.
Table 9-45. Local User CLI Commands
CLI Command Description
username name {nopassword|password
password|password encrypted
encrypted-password}
username name [privilege-level]
no username name
Establishes a username-based
authentication system.
Use the no form to remove a user
name.
set username name active Reactivates a suspended user’s
access rights.
show user accounts Displays users information.Dell PowerConnect 55xx Systems User Guide 279
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The following is an example of the CLI commands:
Line Passwords
To add a line password for Console, Telnet, and Secure-Telnet users:
1 Click System > Management Security > Line Passwords in the tree view
to display the Line Password page.
Figure 9-37. Line Password
2 Enter the fields for each type of user, separately:
– Password (0 - 159 Characters) — Enter the line password for accessing
the device.
– Confirm Password — Confirm the line password.
console(config)# username bob password lee privilege 15
console# set username bob active280 Dell PowerConnect 55xx Systems User Guide
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– Console/Telnet/Secure Telnet Line Aging (1-365) — Check to set the
amount of time in days that elapses before a line password is aged out.
Enter the number of days after which the password expires.
– Expiry Date — Displays the expiration date of the line password.
– Lockout Status — Displays whether the user currently has access
(status Usable), or whether the user is locked out due to too many
failed authentication attempts since the user last logged in
successfully (status Locked).
– Reactivate Locked Line — Check to reactivate the line password for a
Console/Telnet/Secure Telnet session. Access rights can be suspended
after a number of unsuccessful attempts to log in.
Assigning Line Passwords Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the Line Password page
.
The following is an example of the CLI commands:
Table 9-46. Line Password CLI Commands
CLI Command Description
line {console|telnet|ssh} Identifies a specific line for configuration
and enters the Line Configuration
command mode.
password password
[encrypted]
no password
Sets a password on a line.
Use the no form of this command to
remove the password.
console(config)# line console
console(config-line)# password dellDell PowerConnect 55xx Systems User Guide 281
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Enable Password
To set a local password to control access to Normal and Privilege levels
activities.
1 Click System > Management Security > Enable Passwords in the tree
view to display the Enable Password page.
Figure 9-38. Enable Password
2 Enter the fields:
– Select Enable Access Level — Select the access level to associate with
the enable password. The lowest user access level is 1 and 15 is the
highest user access level. Users with access level 15 are Privileged
Users, and only they can access and use the OpenManage Switch
Administrator.
– Password (0-159 characters) — Enter the enable password.
– Confirm Password — Confirm the password.282 Dell PowerConnect 55xx Systems User Guide
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– Expiry Date — If Aging is selected, displays the expiration date of the
enable password.
– Lockout Status — Displays the number of failed authentication
attempts since the user last logged in successfully (if the Enable
Login Attempts checkbox is selected in the Password Management
page.) Specifies LOCKOUT, when the user account is locked.
– Reactivate Suspended User — Check to reactivate the specified user’s
access rights. Access rights can be suspended after unsuccessfully
attempting to login.
Assigning Enable Passwords Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the Enable Password page.
The following is an example of the CLI commands:
TACACS+
The device can act as a Terminal Access Controller Access Control System
(TACACS+) client. TACACS+ provides centralized validation of users
accessing the device, while still retaining consistency with RADIUS and other
authentication processes.
TACACS+ provides the following services:
• Authentication — Provides authentication during login and via user
names and user-defined passwords.
• Authorization — Performed at login after authentication. The TACACS+
server checks the privileges of the authenticated user.
Table 9-47. Enable Password CLI Commands
CLI Command Description
enable password [level
level] d [encrypted]
no enable password [level
level]
Sets a local password to control access to
user and privilege levels.
Use the no form of this command to
remove the password requirement.
console(config)# enable password level 15 secretDell PowerConnect 55xx Systems User Guide 283
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The TACACS+ protocol ensures network integrity through encrypted
protocol exchanges between the device and TACACS+ server.
To configure TACACS+ servers:
1 Click System > Management Security > TACACS+ in the tree view to
display the TACACS+: Summary page.
Figure 9-39. TACACS+: Summary
The list of currently-defined TACACS+ servers is displayed. The
parameters for each server is displayed, along with its connection status.
2 Enter the default parameters for TACACS+ servers. These values are used
unless values are added in the TACACS+ Add or Edit pages.
– Source IP Address — The device IP address used for the TACACS+
session between the device and the TACACS+ server. The default is
0.0.0.0., which means that any IP address of the device can be used to
communicate with the TACACS+ server.284 Dell PowerConnect 55xx Systems User Guide
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– Key String (1-128 Characters) — The authentication and encryption
key for TACACS+ communications between the device and the
TACACS+ server. This key must match the encryption key sent by the
TACACS+ server. This key is encrypted.
– Timeout for Reply (1-30) — The amount of time that passes before
the connection between the device and the TACACS+ server times
out.
3 To add a TACACS+ server, click Add, and enter the fields on the page.
The fields below are those that were not described on the TACACS+:
Summary page.
– Host IP Address — Enter the TACACS+ server IP address.
– Priority (0-65535) — Enter the order in which the TACACS+ servers
are used if several are defined.
– Source IP Address — Enter either specific device IP address for the
TACACS+ server.
– Authentication Port (0-65535) — Enter the port number through
which the TACACS+ session occurs.
– Timeout for Reply (1-30) — Enter the amount of time that passes
before the connection between the device and the TACACS+ server
times out.
– Single Connection — Check to maintain a single open connection
between the device and the TACACS+ server.Dell PowerConnect 55xx Systems User Guide 285
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Wherever available, check Use Default to use a value that was entered in
the TACACS+: Summary page.
Defining TACACS+ Settings Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the TACACS+ Settings pages.
Table 9-48. TACACS+ CLI Commands
CLI Command Description
tacacs-server host {ip
address|hostname}[singleconnection] [port port-number]
[timeout timeout][key keystring][source source] [priority
priority]
no tacacs-server host {ipaddress|hostname}
Configures a TACACS+ host.
Use the no form of this command to
delete the specified TACACS+ host.
tacacs-server key key-string
no tacacs-server key
Specifies the authentication and
encryption key for all TACACS+
communications between the device
and the TACACS+ server.
Use the no form of this command to
disable the key.
tacacs-server timeout timeout
no tacacs-server timeout
Specifies the timeout value in
seconds.
tacacs-server source-ip source
no tacacs-server source-ip
source
Specifies the source IP address.
Use the no form of this command to
restore the default configuration.
show tacacs [ip-address] Displays configuration and statistics
for a TACACS+ server.286 Dell PowerConnect 55xx Systems User Guide
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The following is an example of the CLI commands:
Password Management
Password management provides increased network security and improved
password control. This feature is optional and must be enabled in the
Password Management page.
Passwords for SSH, Telnet, HTTP, HTTPS, and SNMP access can be assigned
security features that include:
• Minimum password lengths
• Password expiration dates (password aging)
• Prevention of frequent password reuse
• Lockout of users after failed login attempts
• Number of repeated characters allowed
• Number of different character classes required in the password. Numeric,
alphabetic, and special characters are all character classes.
console(config)# tacacs-server source-ip 172.16.8.1
console# show tacacs
Device Configuration
-----------------------------
IP Address Status Port Single TimeOut Source IP Priority
Connection
---------- ------ ------ ---------- -------- ---------- --------
1.1.1.11 Not 49 No Global Global 10
Connected
1.1.1.21 Not 49 No Global Global 19
Connected
1.1.1.31 Not 49 No Global Global 18
Connected
1.1.1.41 Not 49 No Global Global 17
Connected
Global values
--------------
TimeOut : 5
-----------------------------
Source IP : 0.0.0.0Dell PowerConnect 55xx Systems User Guide 287
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Password aging starts immediately after password management is enabled.
However it is only effective if system time on the device is taken from an
SNTP server. Passwords expire according to the user-defined expiration
date/time. Ten days prior to password expiration, the device displays a
password expiration warning message.
After the password has expired, users can log in a few additional times.
During the remaining logins, an additional warning message displays
informing the user that the password must be changed. If the password is not
changed, users are locked out of the system, and can only log in using the
console. Password warnings are logged in the SYSLOG file.
NOTE: Password aging is enabled only after setting the switch to use SNTP for
setting time.288 Dell PowerConnect 55xx Systems User Guide
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To define password management parameters:
1 Click System > Management Security > Password Management in the
tree view to display the Password Management page.
Figure 9-40. Password Management
2 Check the required fields and enter their values:
– Enable Strong Passwords — Check to enable this feature.
– Number of Classes — Select a number of character classes. The
character classes are: upper case characters, lower case characters,
digits and punctuation. The number of character classes selected
indicates how many different types of characters must be in the
password.
– Repeated Characters — Select the number of permissible repeated
characters in the password.Dell PowerConnect 55xx Systems User Guide 289
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– Password Minimum Length (8-64 characters) — When checked,
specifies the minimum password length. Enter the minimum
password length.
– Enable Login Attempts — When checked, enables locking a user out
of the device when a faulty password is used more than the number of
times entered. Select the maximum number of login attempts.
– Global Password Aging (1-365) — When checked, specifies that the
password will expire in the number of days entered. Enter the number
of days. This is only enabled after setting the switch to use SNTP for
setting time
– Consecutive Passwords Before Reuse (1-10) — When checked,
indicates the number of times a password must be changed, before the
password can be reused. Select the number of times.
– Password History Hold Time (1-365) — When checked, the password
history will be deleted after the number of days entered. Enter the
number of days.
Password Management Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the Password Management page.
Table 9-49. Password Management CLI Commands
CLI Command Description
passwords strength-check enable
no passwords strength-check
Enforces password strength checks.
Use the no form of this command
to disable enforcing password
strength checks.
passwords strength [max-limit
repeated characters | minimum
character-classes]
no passwords strength
Enforces limits of repeated
characters and character classes.
Use the no form of this command
to disable enforcing limits of
repeated characters and character
classes.290 Dell PowerConnect 55xx Systems User Guide
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The following is a sample script that sets password strength rules and creates a
user with a valid password.
password min-length length
no password min-length
Defines the minimum password
length.
Use the no form of this command
to remove the restriction.
passwords aging days
no passwords aging
Enforces password aging.
Use the no form of this command
to return to default.
password history number
no password history
Defines the amount of times a
password is changed, before the
password can be reused.
password history hold-time days
no password history hold-time
Configures the duration that a
password is relevant for tracking
passwords history.
Use the no form of this command
to return to the default
configuration.
password lockout number
no password lockout
Defines the number of times a
faulty password is entered before
the user is locked out of the device.
Use the no form of this command
to disable the lockout feature.
show password configuration Displays password management
information.
Table 9-50. CLI Script to Configure Strong Password
CLI Command Description
console#configure
console(conf)# passwords strengthcheck enable
Enable strong passwords.
Table 9-49. Password Management CLI Commands (Continued)
CLI Command DescriptionDell PowerConnect 55xx Systems User Guide 291
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RADIUS
Remote Authentication Dial-In User Service (RADIUS) servers provide
additional security for networks. Up to four RADIUS servers can be defined.
RADIUS servers provide a centralized authentication method for:
• Telnet Access
• Secure Shell Access
• Web Access
• Console Access
console(config)# passwords strength
minimum character-classes 3
Enable that passwords must
contain at least three
character classes.
password min-length 8 Enable that passwords must
contain at least eight
characters.
console(config)# username admin
privilege 15 password FGH123!@#
Create a user named
"admin" with privilege level
15 and password that fits
the strength rules.
Table 9-50. CLI Script to Configure Strong Password
CLI Command Description292 Dell PowerConnect 55xx Systems User Guide
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To add a RADIUS server:
1 Click System > Management Security > RADIUS in the tree view to
display the RADIUS: Summary page.
Figure 9-41. RADIUS: Summary
The RADIUS default parameters and previously-defined RADIUS servers
are displayed.
2 Enter the default parameters to be used when these parameters are not
entered for a specific server.
– Default Retries (1-10) — The default number of transmitted requests
sent to RADIUS server before a failure occurs.
– Default Timeout for Reply (1-30) — The default amount of the time
(in seconds) that the device waits for an answer from the RADIUS
server before timing out.
– Default Dead time (0-2000) — The default amount of time (in
minutes) that a RADIUS server is bypassed for service requests.
– Default Key String (0-128 Characters) — The Default Key string
used for authenticating and encrypting all RADIUS communications
between the device and the RADIUS server. This key is used for
encryption.
– Source IPv4 Address — The source IP v4 address that is used for
communication with RADIUS servers.Dell PowerConnect 55xx Systems User Guide 293
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– Source IPv6 Address — The source IP v6 address that is used for
communication with RADIUS servers.
3 To add a RADIUS server, click Add, and enter the fields:
– Supported IP Format — Select whether the IPv4 or IPv6 format is
supported.
– IP Address — Enter the RADIUS server IP address.
– Priority (0-65535) — Enter the priority of the authentication server
being added. 0 is the highest value. This is used to configure the order
in which servers are queried.
– Authentication Port (0-65535) — Enter the authentication port used
to verify the RADIUS server authentication. Enter 0 if you do not
want this server to be used for authentication purposes.
– Accounting Port (0-65535) — Enter the accounting port, which is the
UDP port number of the RADUS server used for accounting requests.
Enter 0 if you do not want this server to be used for accounting
purposes.
– Usage Type — Enter the RADIUS server usage. The possible options
are:
• Login — Used for login authentication and/or accounting.
• 802.1x — Used for 802.1x authentication and/or accounting.
• All — Used for all types of authentication and/or accounting.
4 Enter the following fields if you do not want to use the default values
entered in the RADIUS: Summary page. If you do want to use the default
values, check Use Default for these fields.
– Number of Retries (1-10) — Enter the number of requests sent to the
RADIUS server before a failure occurs.
– Timeout for Reply (1-30) — The amount of the time in seconds that
the device waits for an answer from the RADIUS server before retrying
the query, or switching to the next server.
– Dead Time (0-2000) — The amount of time (in minutes) that a
RADIUS server is bypassed for service requests.
– Key String (0-128 Characters) — The key string used for
authenticating and encrypting all RADIUS communications between
the device and the RADIUS server. 294 Dell PowerConnect 55xx Systems User Guide
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– Source IP Address — The device IP address that is used for
communication with RADIUS servers.
Defining RADIUS Servers Using CLI Commands
The following table summarizes the CLI commands for defining fields
displayed on the RADIUS pages.
Table 9-51. RADIUS Server CLI Commands
CLI Command Description
radius-server host {ipv4-
address|ipv6-address|ipv6zaddress|hostname} [auth-port
auth-port-number] [acct-port
acct-port-number][timeout
timeout] [retransmit retries]
[deadtime deadtime] [key keystring] [source {ipv4-
address|ipv6-address}] [priority
priority] [usage
{login|802.1x|all}]
no radius-server host {ipv4-
address|ipv6-address|hostname}
Specifies a RADIUS server host.
Use the no form of the command to
delete the specified RADIUS server
host.
radius-server timeout timeout
no radius-server timeout
Sets the interval for which a device
waits for a server host to reply.
Use the no form of this command to
restore the default configuration.
radius-server source-ip sourceip-address
no radius-server source-ip
source-ip-address
Specifies the source IPv4 address
that will be used for the IPv4
communication with RADIUS
servers.
Use the no form of this command to
restore the default configuration.Dell PowerConnect 55xx Systems User Guide 295
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radius-server source-ipv6
source-ipv6-address
no radius-server source-ipv6
source-ipv6-address
Specifies the source IPv6 address
that will be used for the IPv6
communication with RADIUS
servers.
Use the no form of this command to
restore the default configuration.
radius-server retransmit retries
no radius-server retransmit
Specifies the number of times the
software searches the list of
RADIUS server hosts.
Use the no form of this command to
restore the default configuration.
radius-server deadtime deadtime
no radius-server deadtime
Configures unavailable servers to be
skipped.
Use the no form of this command to
restore the default configuration.
radius-server key key-string
no radius-server key
Sets the authentication and
encryption key for all RADIUS
communications between the router
and the RADIUS server.
Use the no form of this command to
restore the default configuration.
show radius-servers Displays the RADIUS server
settings.
Table 9-51. RADIUS Server CLI Commands (Continued)
CLI Command Description296 Dell PowerConnect 55xx Systems User Guide
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The following is an example of CLI commands:
console(config)# radius-server host 192.168.10.1 authport 20 timeout 20
console(config)# radius-server key enterprise-server
console# show radius-servers
IP address Port Port Time- Ret- Dead- Source IP Prio. Usage
Auth Acct Out rans Time
--------------- ----- ----- ------ ------ ------ --------------- ----- ---
1.1.1.11 1812 1813 Global Global Global Global 10 all
1.1.1.21 1812 1813 Global Global Global Global 19 all
1.1.1.31 1812 1813 Global Global Global Global 18 all
1.1.1.41 1812 1813 Global Global Global Global 17 all
1.1.1.51 1812 1813 Global Global Global Global 16 all
Global values
--------------
TimeOut : 3
Retransmit : 3
Deadtime : 0
Source IP : 0.0.0.0
Source IPv6 : ::Dell PowerConnect 55xx Systems User Guide 297
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DHCP Server
The switch can operate as either:
• DHCP client that obtains its own IP from a DHCP server, as described in
"DHCP IPv4 Interface" on page 214
• DHCP server that allocates IP addresses to other devices, as described in
this section
This section contains the following topics:
• DHCP Server Overview
• DHCP Server Properties
• Network Pool
• Excluded Addresses
• Static Hosts
• Address Binding
DHCP Server Overview
A DHCP server uses a defined pool of IP addresses (user-defined) from which
it allocates IP addresses to DHCP clients.
The DHCP server can allocate IP addresses in the following modes:
• Static Allocation — The hardware address of a host is manually mapped
to an IP address.
• Permanent Allocation — An IP address sent to the client through a
standard request-reply mechanism, is owned by that client permanently
(unless changes in the network environment/connections take place, for
any reason).
• Dynamic Allocation — A client obtains a leased IP address for a specified
period of time. The IP address is revoked at the end of this period, and the
client must request another IP address. 298 Dell PowerConnect 55xx Systems User Guide
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DHCP Server Properties
If the device is configured to act as a DHCP server, pinging capability can be
enabled. The DHCP server pings an IP address in the address pool before
assigning that IP address to a requesting client. If the ping is unanswered, the
DHCP server assumes that the address is not in use and assigns the address to
the client.
To configure the device as a DHCP server:
1 Click System > DHCP Server > DHCP Server Properties in the tree view
to display the DHCP Server Properties page.
Figure 9-42. DHCP Server PropertiesDell PowerConnect 55xx Systems User Guide 299
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2 Enter the fields:
– DHCP Server Status — Enable/disable the ability of the device to
function as a DHCP server.
– DHCP Ping — Enable/disable the DHCP server to ping the offered
IP address before responding to a client request.
– DHCP Ping Retries — Enter the number of pings that are sent before
discarding an IP address. Use Default reverts to the default Ping
Retries setting.
– DHCP Ping Timeout — Enter the maximum time interval (in
milliseconds) that the DHCP server waits for a ping reply. Use Default
reverts to the default Ping Timeout.
Defining DHCP Server Using CLI Commands
The following table summarizes the CLI commands for defining the switch as
a DHCP server.
Table 9-52. DHCP Server CLI Commands
CLI Command Description
ip dhcp server
no ip dhcp server
Enables the DHCP server feature on
the device.
Use the no form of this command to
disable the DHCP server feature.
ip dhcp ping enable
no ip dhcp ping enable
Enables the DHCP server to send ping
packets before assigning the address to a
requesting client.
Use the no form of this command to
prevent the server from pinging pool
addresses.
ip dhcp ping count number
no ip dhcp ping count
Specifies the number of packets a
DHCP server sends to a pool address as
part of a ping operation.
Use the no form of this command to
restore the default configuration.300 Dell PowerConnect 55xx Systems User Guide
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The following is an example of the CLI commands:
ip dhcp ping timeout
milliseconds
no ip dhcp ping timeout
Specifies the time interval during which
a DHCP server waits for a ping reply
from an address pool.
Use the no form of this command to
restore default values.
console(config)# ip dhcp ping enable
console(config)# ip dhcp ping count 5
Table 9-52. DHCP Server CLI Commands (Continued)
CLI Command DescriptionDell PowerConnect 55xx Systems User Guide 301
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Network Pool
When the device is serving as a DHCP server, a pool of IP addresses must be
defined, from which the switch will allocate IP addresses to clients.
Each IP pool has a lease duration.
To create a pool of IP addresses, and define their lease durations:
1 Click System > DHCP Server > Network Pool in the tree view to display
the Network Pool: Summary page.
Figure 9-43. Network Pool: Summary
The previously-defined network pools are displayed.
2 Click Add to define a new network pool, and enter the fields:
– Pool Name — Enter the pool name.
– Subnet IP Address — Enter the subnet in which the network pool
resides.302 Dell PowerConnect 55xx Systems User Guide
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• Network Mask — Check and enter the pool’s network mask.
• Prefix Length — Check and enter the number of bits that
comprise the address prefix.
– Address Pool Start — Enter the first IP address in the range of the
network pool.
– Address Pool End — Enter the last IP address in the range of the
network pool.
– Lease Duration — Enter the amount of time a DHCP client can use
an IP address from this pool. The total lease duration is 4294967295
seconds, i.e. 49710.2696 days. Thus a lease of 49710 days, 0 hours, 0
minutes and 0 seconds is a legal value, while a lease of 49710 days, 23
hours, 59 minutes and 59 seconds results in an Out of Range alert.
• Days — The duration of the lease in number of days. The range is
0 to 49710 days.
• Hours — The number of hours in the lease. A days value must be
supplied before an hours value can be added.
• Minutes — The number of minutes in the lease. A days value and
an hours value must be added before a minutes value can be
added.
• Infinite — The duration of the lease is unlimited.
– Default Router — Enter the default router for the DHCP client.
– Domain Name Server — Enter the DNS server available to the DHCP
client.
– Domain Name — Enter the domain name for a DHCP client. The
domain name may contain up to 32 characters.
– NetBIOS WINS Server — Enter the NetBIOS WINS name server
available to a DHCP client.
– NetBIOS Node Type — Select how to resolve the NetBIOS name.
Valid node types are:
• Empty— Default value.
• Broadcast — IP Broadcast messages are used to register and
resolve NetBIOS names to IP addresses.Dell PowerConnect 55xx Systems User Guide 303
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• Peer-to-Peer — Point-to-point communications with a NetBIOS
name server are used to register and resolve computer names to IP
addresses.
• Mixed — A combination of b-node and p-node communications
is used to register and resolve NetBIOS names. M-node first uses
b-node; then, if necessary, p-node. M-node is typically not the best
choice for larger networks because its preference for b-node
Broadcasts increases network traffic.
• Hybrid — A hybrid combination of b-node and p-node is used.
When configured to use h-node, a computer always tries p-node
first and uses b-node only if p-node fails. This is the default.
– SNTP Server — Enter the IP address of the time server for the DHCP
client.
– Next Server — Enter the IP address of the next server in the boot
process of a DHCP client. If the next server in the boot process is not
configured, the DHCP server uses inbound interface helper addresses
as boot servers.
– Next Server Name — Enter the name of the next server in the boot
process.
– Image File Name — Enter the name of the file that is used as a boot
image.
Configuring Network Pool Using CLI Commands
The following table summarizes the CLI commands for defining a pool of
addresses on the DHCP server.
Table 9-53. Network Pool CLI Commands
CLI Command Description
ip dhcp pool network name
no ip dhcp pool network name
Configures a DHCP address pool on a
DHCP Server and enters DHCP Pool
Configuration mode.
Use the no form of this command to remove
the address pool.304 Dell PowerConnect 55xx Systems User Guide
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address {network-number|low
low-address high highaddress} {mask|prefixlength}
no address
Configures the subnet number, mask and
start and end addresses for a DHCP address
pool on a DHCP Server.
Use the no form of this command to remove
the subnet number and mask.
lease {days [{hours}
[minutes]]|infinite}
no lease
Configures the time duration of the lease for
an IP address that is assigned from a DHCP
server to a DHCP client.
Use the no form of this command to restore
the default value
default-router ip-address
[ip-address2 ... ipaddress8]
no default-router
Configures the default router list for a
DHCP client.
Use the no form of this command to remove
the default router list.
dns-server ip-address [ipaddress2 ... ip-address8]
no dns-server
Configures the DNS IP servers available to a
DHCP client.
Use the no form of this command to remove
the DNS server list.
domain-name domain
no domain-name
Specifies the domain name for a DHCP
client.
Use the no form of this command to remove
the domain name.
netbios-name-server ipaddress [ip-address2 ... ipaddress8]
no netbios-name-server
Configures the NetBIOS Windows Internet
Naming Service (WINS) servers that are
available to Microsoft DHCP clients.
Use the no form of this command to remove
the NetBIOS name server list.
netbios-node-type {b-node|pnode|m-node|h-node}
no netbios-node-type
Configures the NetBIOS node type for
Microsoft Dynamic Host Configuration
Protocol (DHCP) clients.
Use the no form of this command to remove
the NetBIOS node type.
Table 9-53. Network Pool CLI Commands (Continued)
CLI Command DescriptionDell PowerConnect 55xx Systems User Guide 305
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The following is an example of the CLI commands:
time-server ip-address [ipaddress2 ... ip-address8]
no time-server
Specifies the time servers list for a DHCP
client.
Use the no form of this command to remove
the time servers list.
next-server ip-address
no next-server
Configures the next server in the boot
process of a DHCP client.
Use the no form of this command to remove
the boot server.
next-server-name name
no next-server-name
Configures the next server name in the boot
process of a DHCP client.
Use the no form of this command to remove
the boot server name.
bootfile filename
no bootfile
Specifies the default boot image file name
for a DHCP client.
Use the no form of this command to delete
the boot image file name.
show ip dhcp pool network
[name]
Displays the DHCP network pool
configuration.
console(config)# ip dhcp pool network pool1
console(config-dhcp)# address 10.12.1.99 255.255.255.0
01b7.0813.8811.66
console(config-dhcp)# lease 1
Table 9-53. Network Pool CLI Commands (Continued)
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Excluded Addresses
By default, the DHCP server assumes that all pool addresses in a pool may be
assigned to clients. A single IP address or a range of IP addresses can be
excluded.
To define an excluded address range:
1 Click System > DHCP Server > Excluded Addresses in the tree view to
display the Excluded Addresses: Summary page.
Figure 9-44. Excluded Addresses: Summary
The previously-defined excluded IP addresses are displayed.
2 To add a range of IP addresses to be excluded, click Add, and enter the
fields:
– Start IP Address — First IP address in the range of excluded IP
addresses.Dell PowerConnect 55xx Systems User Guide 307
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– End IP Address — Last IP address in the range of excluded IP
addresses.
Excluding Addresses Using CLI Commands
The following table summarizes the CLI commands for excluding addresses.
The following is an example of the CLI commands:
Table 9-54. Excluding Addresses Using CLI Commands
CLI Command Description
ip dhcp excluded-address lowaddress [high-address]
no ip dhcp excluded-address
low-address [high-address]
Configures a DHCP address pool on a
DHCP Server and enter DHCP Pool
Configuration mode.
Use the no form of this command to
remove the address pool.
show ip dhcp excluded-addresses Displays the excluded addresses.
console(config)# ip dhcp excluded-address 172.16.1.100
172.16.1.199
console> show ip dhcp excluded-addresses
The number of excluded addresses ranges is 2
Excluded addresses:
10.1.1.212- 10.1.1.219, 10.1.2.212- 10.1.2.219308 Dell PowerConnect 55xx Systems User Guide
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Static Hosts
To manually allocate permanent IP addresses to clients (known as static
hosts):
1 Click System > DHCP Server > Static Hosts in the tree view to display
the Static Hosts: Summary page.
Figure 9-45. Static Hosts: Summary
The static hosts are displayed.
2 To add a static host, click Add, and enter the fields:
– Host Name — Enter the host pool name, which can be a string of
symbols and an integer.
– IP Address — Enter the IP address that was statically assigned to the
host.
• Network Mask — Enter the pool’s network mask.
• Prefix Length — Enter the number of bits that comprise the address
prefix.Dell PowerConnect 55xx Systems User Guide 309
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– Client Identifier — Enter a unique identification of the client
specified in dotted hexadecimal notation, such as: 01b6.0819.6811.72.
or:
– MAC Address — Enter the MAC address of DHCP static host.
– Client Name — The name of the client, using a standard set of ASCII
characters. The client name must not include the domain name.
– Default Router — Enter the default router for the DHCP client.
– Domain Name Server — Enter the DNS server available to the DHCP
client.
– Domain Name — Enter the domain name for a DHCP client. The
domain name may contain up to 32 characters.
– NetBIOS WINS Server — Enter the NetBIOS WINS name server
available to a DHCP client.
– NetBIOS Node Type — Select how to resolve the NetBIOS name.
Valid node types are:
• Empty — Default value.
• Broadcast — IP Broadcast messages are used to register and
resolve NetBIOS names to IP addresses.
• Peer-to-Peer — Point-to-point communications with a NetBIOS
name server are used to register and resolve computer names to IP
addresses.
• Mixed — A combination of b-node and p-node communications
is used to register and resolve NetBIOS names. M-node first uses
b-node; then, if necessary, p-node. M-node is typically not the best
choice for larger networks because its preference for b-node
Broadcasts increases network traffic.
• Hybrid — A hybrid combination of b-node and p-node is used.
When configured to use h-node, a computer always tries p-node
first and uses b-node only if p-node fails. This is the default.
– SNTP Server — Enter the IP address of the time server for the DHCP
client.310 Dell PowerConnect 55xx Systems User Guide
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– Next Server — Enter the IP address of the next server in the boot
process of a DHCP client. If the next server in the boot process is not
configured, the DHCP server uses inbound interface helper addresses
as boot servers.
– Next Server Name — Enter the name of the next server in the boot
process.
– Image File Name — Enter the name of the file that is used as a boot
image.
Defining Static Hosts Using CLI Commands
The following table summarizes the CLI commands for defining static hosts.
See Table 9-53 for the remaining CLI commands that are common to the
Network Pool pages, but are used in the context DHCP Pool Host context.
Table 9-55. Defining Static Hosts Using CLI Commands
CLI Command Description
ip dhcp pool host
no ip dhcp pool host
Configures a DHCP static address
on a DHCP Server and enters the
DHCP Pool Host Configuration
mode.
Use the no form of this command to
remove the address pool.
ip host name address [address2
address3 address4]
no ip host name
Defines the static host name-toaddress mapping in the host cache.
Use the no form of this command to
remove the static hostname-toaddress mapping.
show hosts Displays the default domain name,
the list of name server hosts, the
static and the cached list of host
names and addresses.
clear host Deletes entries from the host nameto-address cache.Dell PowerConnect 55xx Systems User Guide 311
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The following is an example of the CLI commands:
console(config)# ip dhcp pool host station
console(config-dhcp)#ip host accounting.website.com
176.10.23.1
console# show hosts
System Name:
Default domain: Domain name is not configured
Name/address lookup is enable
Name servers (Preference order): 1.1.1.1 1.1.1.2 1.1.1.3
1.1.1.4 1.1.1.5
Configured host name-to-address mapping:
Host IP Address
--------------------------------- -----------------------
accounting.website.com 176.10.23.1312 Dell PowerConnect 55xx Systems User Guide
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Address Binding
Use the Address Binding page to view and remove the IP addresses allocated
by the switch and their corresponding MAC addresses.
To view and/or remove address bindings:
• Click System > DHCP Server > Address Binding in the tree view to
display the Address Binding page.
Figure 9-46. Address Binding
The following fields for the address bindings are displayed:
– IP Address — The IP addresses of the client.
– Client Identifier/MAC Address — A unique identification of the
client specified as a MAC Address or in dotted hexadecimal notation,
e.g., 01b6.0819.6811.72.
– Lease Expiration — The lease expiration date and time of the host’s
IP address.
– Type — The manner in which the IP address was assigned to the
client. The possible options are:
• Static — The hardware address of the host was mapped to an IP
address.Dell PowerConnect 55xx Systems User Guide 313
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• Permanent — The IP address, obtained dynamically from the
switch, is owned by the client permanently (unless changes in the
network environment/connections take place, for any reason).
• Dynamic — The IP address, obtained dynamically from the
switch, is owned by the client for a specified period of time. The
IP address is revoked at the end of this period, at which time the
client must request another IP address. 314 Dell PowerConnect 55xx Systems User Guide
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SNMP
This section describes the Simple Network Management Protocol (SNMP)
for managing network devices.
It contains the following topics:
• SNMP Overview
• SNMP Global Settings
• SNMP Views
• SNMP Access Control (Groups)
• SNMP User Security Model (Users)
• SNMP Communities
• SNMP Notification Filters
• SNMP Notification Recipients
SNMP Overview
The switch supports the SNMPv1, SNMPv2 and SNMPv3.
SNMP v1 and v2
The SNMP agent maintains a list of variables that are used to manage the
switch. These variables are stored in the Management Information Base
(MIB) from which they may be presented. The SNMP agent defines the MIB
specification format, as well as the format used to access the information over
the network. Access rights to the SNMP agents are controlled by access
strings.
SNMPv1 and v2 are enabled by default.
SNMP v3
In addition to the features provided by SNMPv1 and SNMPv2, SNMPv3
applies access control and a new trap mechanism to SNMPv1 and SNMPv2
PDUs. In addition, a User Security Model (USM) can be defined, which
includes:
• Authentication — Provides data integrity and data origin authentication. Dell PowerConnect 55xx Systems User Guide 315
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• Privacy — Protects against disclosure of message content. Cipher BlockChaining (CBC) is used for encryption. Either authentication alone can
be enabled on an SNMP message, or both authentication and privacy can
be enabled on an SNMP message. However privacy cannot be enabled
without authentication.
• Timeliness — Protects against message delay or message redundancy. The
SNMP agent compares incoming message to the message time
information.
• Key Management — Defines key generation, updates, and use.
The switch supports SNMP notification filters, based on Object IDs (OIDs),
which are used by the system to manage switch features.
Authentication or Privacy Keys are modified in the User Security Model
(USM).
SNMPv3 can only be enabled if the Local Engine ID is enabled.
SNMP Access Rights
Access rights in SNMP are managed in the following ways:
• SNMPv1 and SNMPv2 — Communities
The community name is a password sent by the SNMP management
station to the device for authentication purposes.
A community string is transmitted along with the SNMPv1,v2 frames, but
neither the frames nor the community string are encrypted. Since
SNMPv1 and SNMPv2 are not encrypted, they are not secure.
Communities can be associated with views or groups, and they are defined
in the Community pages.
• SNMPv3 — Users and Groups
SNMP v3 works with users instead of communities. The users belong to
groups that have access rights assigned to them. Users are defined in the
User Security Model pages
SNMPv3 provides two security mechanisms:
– Authentication — The switch checks that the SNMP user is an
authorized system administrator. This is done for each and every
frame. 316 Dell PowerConnect 55xx Systems User Guide
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– Privacy — SNMP frames can carry encrypted data.
These mechanisms can be combined to provide three levels of security:
– No security
– Authentication
– Authentication and Privacy. Note that for both authentication and
privacy to be enabled, two groups with the same name, one with
authentication and one with privacy, must be created.
A group is a label for a combination of attributes that determines whether
members have read, write, and/or notify privileges. Users can be associated
with a group. A group is operational only when it is associated with an
SNMP user.
Model OIDs
The following are the switch model Object IDs (OIDs):
SNMP Global Settings
The Engine ID is used by SNMPv3 entities to uniquely identify themselves.
An SNMP agent is considered an authoritative SNMP engine. This means
that the agent responds to incoming messages (Get, GetNext, GetBulk, Set),
and sends Trap messages to a manager. The agent's local information is
encapsulated in fields in the message.
Each SNMP agent maintains local information that is used in SNMPv3
message exchanges (not relevant for SNMPv1 or SNMPv2). The default
SNMP Engine ID is comprised of the enterprise number and the default
MAC address. The SNMP engine ID must be unique for the administrative
domain, so that no two devices in a network have the same engine ID.
Model Name Object ID
PC5524 10895.3030
PC5524P 10895.3032
PC5548 10895.3031
PC5548P 10895.3033Dell PowerConnect 55xx Systems User Guide 317
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The local information is stored in four read-only MIB variables:
snmpEngineId, snmpEngineBoots, snmpEngineTime, and
snmpEngineMaxMessageSize.
To configure SNMP:
1 Click System > SNMP > Global Parameters in the tree view to display
the Global Parameters page.
Figure 9-47. Global Parameters
The global parameters are displayed.
2 Enter the fields:
– Local Engine ID (10-64 Hex Characters) — Check and enter the
local device engine ID. The field value is a hexadecimal string. Each
byte in hexadecimal character strings is two hexadecimal digits. Each
byte can be separated by a period or a colon. The Engine ID must be
defined before SNMPv3 is enabled.
For stacked devices, verify that the Engine ID is unique for the
administrative domain. This prevents two devices in a network from
having the same Engine ID. 318 Dell PowerConnect 55xx Systems User Guide
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– Use Default — Check to use the device-generated Engine ID. The
default Engine ID is based on the device MAC address, and is defined
per standard as:
• First 4 octets — First bit = 1, the rest is IANA Enterprise number
= 674.
• Fifth octet — Set to 3 to indicate the MAC address that follows.
• Last 6 octets — MAC address of the device.
– SNMP Notifications — Enable/disable the switch sending SNMP
notifications.
– Authentication Notifications — Enable/disable the switch sending
SNMP traps when authentication fails.
Setting SNMP Global Parameters Using CLI Commands
The following table summarizes the CLI commands for setting fields in the
Global Parameters page.
Table 9-56. SNMP Global Parameters Commands
CLI Command Description
snmp-server engine ID local
{engine-id-string|default}
no snmp-server engine ID
local
Specifies the local device engine ID. The
field values is a hexadecimal string. Each
byte in hexadecimal character strings is two
hexadecimal digits. Each byte can be
separated by a period or colon. The Engine
ID must be defined before SNMPv3 is
enabled.
Use the no form of this command to
remove the configured engine ID.
snmp-server enable traps
no snmp-server enable traps
Enables the router to send Simple Network
Management Protocol traps.
Use the no form of the command to disable
SNMP traps.Dell PowerConnect 55xx Systems User Guide 319
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The following is an example of the CLI commands:
SNMP Views
An SNMP view, which is a collection of MIB subtrees, provides or blocks
access to device features.
Each subtree is defined by the Object ID (OID) of the root of its subtrees. In
extreme cases this subtree can be a leaf. Well-known names can be used to
specify the root of the desired subtree, or an OID can be entered (see "Model
OIDs" on page 316).
Each subtree is either included in or excluded from the view being defined.
snmp-server trap
authentication
no snmp-server trap
authentication
Enables the router to send Simple Network
Management Protocol traps when
authentication fails.
Use the no form of this command to
disable SNMP failed authentication traps.
show snmp Checks the status of SNMP
communications.
console(config)# snmp-server enable traps
console(config)# snmp-server trap authentication
console(config)# snmp-server engineid local default
The engine-id must be unique within your administrative
domain.
Do you wish to continue? [Y/N]y
The SNMPv3 database will be erased. Do you wish to
continue? [Y/N]y
Table 9-56. SNMP Global Parameters Commands (Continued)
CLI Command Description320 Dell PowerConnect 55xx Systems User Guide
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Views can be attached to groups in the Access Control pages.
To create an SNMP view:
1 Click System > SNMP > View Settings in the tree view to display the
View Settings: Summary page.
Figure 9-48. View Setting: Summary
2 Select a view name. Its subtrees are displayed.
3 To remove a subtree from an SNMP view, click Remove. The subtrees of
the default views (Default, DefaultSuper) cannot be changed.
4 To add a new view, click Add, and enter a new View Name (1-30
Characters).
5 To complete the definition of the view, click Edit, and select a View Name
to modify. Enter the fields:
– New Object ID Subtree — Check to specify the device feature OID
included or excluded in the selected SNMP view.Dell PowerConnect 55xx Systems User Guide 321
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• Selected from List — Select the device feature OID by using the
Up and Down buttons to scroll through a list of all device OIDs.
Or:
• Insert — Specify the device feature OID.
– View Type — Specify if the defined OID branch will be included or
excluded in the selected SNMP view.
Defining SNMP Views Using CLI Commands
The following table summarizes the CLI commands for defining fields
displayed in the View Settings pages.
The following is an example of CLI commands:
Table 9-57. SNMP View CLI Commands
CLI Command Description
snmp-server view view-name
oid-tree {included|excluded}
no snmp-server view view-name
[oid-tree]
Creates or updates a SNMP server view
entry.
Use the no form of this command to
remove an SNMP server view entry.
show snmp views [viewname] Displays the configuration of a view or all
views.
console(config)# snmp-server view user1 1 included
console(config)# end
console# show snmp views
Name OID Tree Type
------------ --------------- --------
user1 system included
Default iso included
Default snmpVacmMIB excluded
Default usmUser excluded
Default rndCommunityTable excluded
DefaultSuper iso included322 Dell PowerConnect 55xx Systems User Guide
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SNMP Access Control (Groups)
For ease of use, users may be assigned to groups. In this way, it is possible to
assign feature access rights to an entire group, instead of assigning them
individually to users. Users are created in the User Security Model pages.
Groups can be defined in any version of SNMP, but only SNMPv3 groups can
be assigned authentication methods.
To add an SNMP group, and assign it access control privileges:
1 Click System > SNMP > Access Control in the tree view to display the
Access Control: Summary page.
Figure 9-49. Access Control: Summary
Previously-defined groups are displayed.
2 To add a new group, click Add, and enter the fields:
– Group Name (1-30 Characters) — Enter a group name. Dell PowerConnect 55xx Systems User Guide 323
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– Security Model — Select the SNMP version of the group.
– Security Level — Select the security level attached to the group.
Security levels apply to SNMPv3 only. The possible options are:
• No Authentication — Neither authentication nor the privacy
security levels are assigned to the group.
• Authentication — Authenticates SNMP messages, and ensures
that the origin of the SNMP message is authenticated.
• Privacy — Encrypts SNMP message.
– Operation — Select the group access rights. The possible options are:
• Read — The management access is restricted to read-only, and
changes cannot be made to the assigned SNMP view. If desired,
select a view from the drop-down list.
• Write — The management access is read-write and changes can
be made to the assigned SNMP view. If desired, select a view from
the drop-down list.
• Notify — Sends traps for the assigned SNMP view. If desired,
select a view from the drop-down list.
Defining SNMP Access Control Using CLI Commands
The following table summarizes the CLI commands for defining fields
displayed in the Access Control pages.
Table 9-58. SNMP Access Control CLI Commands
CLI Command Description
snmp-server group groupname
{v1|v2|v3 {noauth|auth|priv}}
[read readview] [write
writeview] [notify notifyview]
no snmp-server group groupname
{v1|v2|v3 [noauth|auth|priv]}
[context-name]
Configure a new Simple Network
Management Protocol (SNMP)
group, or a table that maps SNMP
users to SNMP views.
Use the no form of this command to
remove a specified SNMP group.
show snmp groups [groupname] Displays the configuration of groups 324 Dell PowerConnect 55xx Systems User Guide
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The following is an example of the CLI commands:
SNMP User Security Model (Users)
An SNMP user is defined by the following:
• Login credentials (username, password, and authentication method)
• Context and scope in which the user operates
• Association with a group
• Engine ID
SNMP user login credentials are verified using a local database.
After a user is authenticated, it takes on the attributes of its group, and can
then access the views permitted to this group. A user can only be a member of
a single group.
Before you create an SNMPv3 user, create an SNMPv3 group in the Access
Control pages.
When the configuration file is saved, SNMP communities/users are not
saved. This means that if you configure another device with this
configuration file, you must define the SNMP communities/users on that
device.
console (config)# snmp-server group user-group v3 priv
read user-view
console# show snmp groups
Name Security Views
Model Level Read Write Notify
----- ----- ------- ------- ------- ----------
1 V1 noauth - - -
2 V1 noauth - - -
3 V1 noauth - - -
4 V1 noauth - - -
5 V1 noauth - - -Dell PowerConnect 55xx Systems User Guide 325
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To create an SNMP V3 user, and assign it to a group and view:
1 Click System > SNMP > User Security Model in the tree view to display
the User Security Model: Summary page.
Figure 9-50. User Security Model: Summary
The currently-defined users and their groups are displayed.
2 To add a user, click Add, and enter the fields:
– User Name (1-30 Characters) — Enter a new user name.
– Engine ID — Specifies the local or remote SNMP entity, to which the
user is connected. Changing or removing the local SNMP Engine ID
deletes the SNMPv3 User Database. Select either Local or Remote. If
Remote is selected, enter the remote engine ID.
– Group Name — Select from a list of user-defined SNMP groups.
SNMP groups are defined in the Access Control Group pages.326 Dell PowerConnect 55xx Systems User Guide
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– Authentication Method — Select an authentication method used to
authenticate users. The possible options are:
• None — No user authentication is used.
• MD5 Password — HMAC-MD5-96 password is used for
authentication.
• SHA Password — Users are authenticated using the HMAC-SHA-
96 authentication level.
• MD5 Key — Users are authenticated using the HMAC-MD5
algorithm.
• SHA Key — Users are authenticated using the HMAC-SHA-96
authentication level.
– Password (0-32 Characters) — If the MD5 Password or SHA Password
authentication method was selected, enter the user-defined password
for a group.
– Authentication Key (MD5-16; SHA-20 Hex Characters) — If the
MD5 Key or SHA Key authentication method was selected, enter the
HMAC-MD5-96 or HMAC-SHA-96 keys. The authentication and
privacy keys are entered to define the authentication key. If only
authentication is required, 16 bytes are defined for MD5. If both
privacy and authentication are required, 32 bytes are defined for MD5.
Each byte in hexadecimal character strings is two hexadecimal digits.
Each byte can be separated by a period or a colon.
– Privacy Key (16 Hex Characters) — If the MD5 Key or SHA Key
authentication method was selected, enter the privacy key. If only
authentication is required, 20 bytes are defined. If both privacy and
authentication are required, 16 bytes are defined. Each byte in
hexadecimal character strings is two hexadecimal digits. Each byte can
be separated by a period or colon. Dell PowerConnect 55xx Systems User Guide 327
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Defining SNMPv3 Users Using CLI Commands
The following table summarizes the CLI commands for defining fields
displayed in the User Security Model pages.
The following is an example of the CLI commands:
SNMP Communities
When using SNMP v1,2, communities strings (passwords) are used to provide
access rights in the following ways:
• Basic Table — The access rights of a community can be read-only, readwrite, or SNMP Admin. In addition, you can restrict access to the
community to only certain MIB objects using a view. Views are defined in
the Views Setting pages.
• Advanced Table — Access rights to a community are assigned to a group
that consists of users. A group can have Read, Write, and Notify access to
views. Groups are defined in the Access Control pages.
Table 9-59. SNMP Users CLI Commands
CLI Command Description
snmp-server user username groupname
{v1|v2c|[remote-host] v3 [encrypted]
[auth {md5|sha} auth-password]}
no snmp-server user username [remotehost]
Configures a new SNMP V3
user.
Use the no form of the
command to remove a user.
show snmp users [username] Displays the configuration of
users.
console(config)# snmp-server user tom acbd v1
console(config)# snmp-server user tom acbd v2c
console(config)# snmp-server user tom acbd v3328 Dell PowerConnect 55xx Systems User Guide
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To define an SNMP community:
1 Click System > SNMP > Communities in the tree view to display the
Communities: Summary page.
Figure 9-51. SNMP Community
The Basic and Advanced tables are displayed.
2 To add a new community, click Add.
3 Define the SNMP management station by entering its IP address
information:
– Supported IP Format — Select whether the IPv4 or IPv6 format is
being used.
– IPv6 Address Type — When the community supports IPv6, this
specifies the type of static address supported. The possible options are:
• Link Local — A Link Local address that is non-routable and used
for communication on the same network only.Dell PowerConnect 55xx Systems User Guide 329
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• Global — A globally unique IPv6 address; visible and reachable
from different subnets.
– Link Local Interface — When the server supports an IPv6 Link Local
address, this specifies the Link Local interface. The possible options
are:
• VLAN — The VLAN on which the IPv6 interface is configured.
• ISATAP — The IPv6 interface is configured on an ISATAP
tunnel.
– SNMP Management Station — Enter the management station IP
address for which the SNMP community is defined, or choose All to
be able to receive SNMP messages from anywhere.
– Community String (1-20 Characters) — Enter the community string,
which functions as a password, and is used to authenticate the
management station to the device.
4 To associate access mode and views directly with the community, enter the
fields:
– Basic — Check to enable SNMP Basic mode for a selected
community.
– Access Mode — If Basic is selected, specify the access rights of the
community. The possible options are:
• Read-Only — Management access is restricted to read-only, and
changes cannot be made to the community.
• Read-Write — Management access is read-write and changes can
be made to the device configuration, but not to the community.
• SNMP Admin — User has access to all device configuration
options, as well as permissions to modify the community.
– View Name — Select a view from a list of user-defined SNMP views.
The view determines other characteristics associated with the
community.
5 To use Advanced mode, enter the fields:
– Advanced — When SNMP Advanced mode is selected, you can select
an SNMP group to specify the SNMP access control rules for the
selected community. The SNMP Advanced mode is defined only with
SNMPv3. 330 Dell PowerConnect 55xx Systems User Guide
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– Group Name — Select the group to be associated with the
community.
Configuring Communities Using CLI Commands
The following table summarizes the CLI commands for setting fields in the
Community pages.
The following is an example of the CLI commands:
SNMP Notification Filters
Notification filters determine the type of SNMP notifications that are sent to
the management station, based on the OID of the notification to be sent.
Each OID is linked to a device feature or a feature aspect.
SNMP notification filters provide the following services:
• Identification of management trap targets
• Trap filtering
Table 9-60. SNMP Community CLI Commands
CLI Command Description
snmp-server community community
[view view-name] [ro|rw|su]
{ipv4-address|ipv6-address}
[mask mask-value|prefix-length
prefix-value] [type router|oob]
Sets up the community access string
to permit access to the SNMP
protocol.
Use the no form of this command to
remove the specified community
string
snmp-server community-group
community group-name [ipv4-
address|ipv6-
address][mask|prefix-length]
[type router|oob]
no snmp-server community string
[ipv4-address|ipv6-address]
Sets up community access string to
permit limited access to the SNMP
protocol, based on group access
rights.
show snmp Displays the current SNMP device
configuration.
console (config)# snmp-server community dell ro 10.1.1.1Dell PowerConnect 55xx Systems User Guide 331
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• Selection of trap generation parameters
• Access control checks
After creating a notification filter, attach it to a notification recipient in the
SNMPv1,2 Notification Recipients pages.
To add a notification filter:
1 Click System > SNMP > Notification Filters in the tree view to display
the Notification Filter: Summary page.
Figure 9-52. Notification Filter: Summary
2 The OIDs of the selected filter are displayed.
3 If required, the notification filter type can be changed by selecting one of
the following options:
– Excluded — OID traps or informs will not be sent.
– Included — OID traps or informs will be sent.332 Dell PowerConnect 55xx Systems User Guide
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4 To add a new notification filter, click Add.
5 In addition to the fields described in the Summary page, enter the fields:
– Filter Name (1-30 Characters) — Enter the notification filter name.
– New Object Identifier Tree — Check to specify the device feature
OID included or excluded in the selected SNMP view.
• Selected from List — Select the device feature OID by using the
Up and Down buttons to scroll through a list of all device OIDs.
or:
• Object ID — Specify the device feature OID.
– Filter Type — Select whether the defined OID branch will be
Included or Excluded in the selected SNMP view.
Configuring Notification Filters Using CLI Commands
The following table summarizes CLI commands for defining fields displayed
in the Notification Filter pages.
Table 9-61. SNMP Notification Filter CLI Commands
CLI Command Description
snmp-server filter filter-name oidtree {included|excluded}
no snmp-server filter filter-name
[oid-tree]
Creates or updates an SNMP
notification filter.
Use the no form of this
command to remove the
specified SNMP server filter
entry.
show snmp filters [filter-name] Displays the configuration of
SNMP notification filtersDell PowerConnect 55xx Systems User Guide 333
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The following is an example of CLI commands:
SNMP Notification Recipients
An SNMP notification is a trap message, sent from the switch to the SNMP
management station, indicating that a certain event has occurred, such as a
link up or down.
Trap receivers, also known as notification recipients, are network nodes to
which trap messages are sent by the switch.
A trap receiver entry contains the IP address of the node and the SNMP
credentials corresponding to the version that will be included in the trap
message. When an event arises that requires a trap message to be sent, it is
sent to every node listed in the trap receiver list.
Some messages are of an informational nature and are called "informs"
instead of traps.
console (config)# snmp-server filter user1 iso included
console(config)# end
console # show snmp filters
Name OID Tree Type
----------- ------------- --------
user1 iso Included334 Dell PowerConnect 55xx Systems User Guide
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To add notification recipients, and attach them to notification filters:
1 Click System > SNMP > Notification Recipient in the tree view to
display the Notification Recipients: Summary page.
Figure 9-53. Notification Recipients: Summary
The previously-defined notification recipients are displayed.
2 To add a new notification recipient, click Add, and enter the fields:
– Supported IP Format — Select whether the IPv4 or IPv6 format is
supported.
– IPv6 Address Type — When the recipient supports IPv6, this specifies
the type of static address supported. The possible options are:
• Link Local — A Link Local address that is non-routable and used
for communication on the same network only.
• Global — A globally unique IPv6 address; visible and reachable
from different subnets.Dell PowerConnect 55xx Systems User Guide 335
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– Link Local Interface — When the server supports an IPv6 Link Local
address, this specifies the Link Local interface. The possible options
are:
• VLAN — The IPv6 interface is configured on this VLAN.
• ISATAP — The IPv6 interface is configured on an ISATAP
tunnel.
– Recipient IP — The IP address to whom the traps are sent.
– Notification Type — The notification sent. The possible options are:
• Trap — Traps are sent.
• Inform — Informs are sent.
If SNMP versions 1 and 2 are enabled for the selected recipient, enter the
fields:
– Community String — The community string of the trap manager.
– Notification Version — The message trap SNMP version (v1 or v2).
If SNMPv3 is used to send and receive traps, enter the fields:
– User Name — The user to whom SNMP notifications are sent.
– Security Level — The means by which the packet is authenticated.
The possible options are:
• No Authentication — The packet is neither authenticated nor
encrypted.
• Authentication — The packet is authenticated.
• Privacy — The packet is both authenticated and encrypted.
3 Enter the fields for all versions of SNMP:
– UDP Port (1-65535) — The UDP port used to send notifications. The
default is 162.
– Filter Name — Select an SNMP filter from a list of previously-defined
SNMP filters.
– Timeout (1-300) — The amount of time (seconds) the device waits
before resending informs.
– Retries (1-255) — The amount of times the device resends an inform
request. 336 Dell PowerConnect 55xx Systems User Guide
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Configuring SNMP Notification Recipients Using CLI Commands
The following table summarizes the CLI commands for setting fields in the
Notification Recipients pages.
The following is an example of the CLI commands:
Table 9-62. SNMP Notification CLI Commands
CLI Command Description
snmp-server host {ipv4-
address|ipv6-address|hostname}
[traps|informs] [version {1|2c|3
[auth|noauth|priv]}] communitystring [udp-port port] [filter
filtername] [timeout seconds]
[retries retries]
no snmp-server host {ipv4-
address|ipv6-address|hostname}
[traps|informs] [version {1|2c|3}]
Creates or updates a notification
recipient receiving notifications in
SNMP version 1, 2 or 3.
Use the no form of this command to
remove the specified host.
show snmp Shows the current SNMP
configuration.
console(config)# snmp-server host 172.16.1.1 private
console(config)# end
console# show snmp
CommunityString
CommunityAccess
View Name IP Address
------------- ------------ --------- ----------
public read only user-view All
private read write default 172.16.1.1
private su DefaultSup
er
172.17.1.1 Dell PowerConnect 55xx Systems User Guide 337
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File Management
This section describes how to manage device firmware (image files) and
configuration files.
It contains the following topics:
• File Management Overview
• Auto-Update/Configuration Feature
• File Download
• File Upload
• Active Images
• Copy Files
• File System
File Management Overview
This section describes the system files found in the system and how they can
be updated (downloaded) and backed up (uploaded).
System Files
The following system files are maintained on the system:
• Startup Configuration File — Files with extension .text. These files
contain the commands required to configure the device at startup or after
reboot. The Startup Configuration file is created from the Running
Configuration file, or can be created from another file.
• Running Configuration File — Files with extension .text. These files
contain all Startup Configuration file commands, as well as all commands
entered during the current session. After the device is powered down or
rebooted, all commands stored in the Running Configuration file are lost.
During the startup process, all commands in the Startup Configuration
file are copied to the Running Configuration file, and applied to the
device.
During the session, new configuration commands are added to the
Running Configuration file. To update the Startup Configuration file with
these configuration commands, the Running Configuration file must first
be copied to the Startup Configuration file before powering down the 338 Dell PowerConnect 55xx Systems User Guide
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device. This can be done manually in the Copy Files page or see "AutoUpdate/Configuration Feature" on page 338 for more information about
how to perform this automatically.
• Image Files—Files with extension .ros. System file images are saved in two
flash files called Image 1 and Image 2. The active image contains the
active copy, while the other image contains a backup copy. The device
boots and runs from the active image. If the active image is corrupted, the
system automatically boots from the non-active image. This is a safety
feature for faults occurring during the software upgrade process.
Downloading/Uploading System Files
System files can be manually loaded from (downloaded) or copied to
(uploaded) a TFTP server or a USB drive. This can be done in one of the
following ways:
• Manually—System files can be downloaded using the File Download page
and uploaded using the File Upload page.
• Automatically (Auto Update/Configuration)—System files can be
downloaded automatically, as follows:
– Auto-Configuration—If the Auto-Configure feature is enabled (in the
Auto Update of Configuration/Image File page), the Startup
Configuration file (in various conditions described below) might be
automatically updated after reboot.
– Auto-Update—If the Firmware Auto-Update feature is enabled in the
Auto Update of Configuration/Image File page, the image file is might
be automatically updated (in various conditions described below).
Auto-Update/Configuration Feature
The Auto-Update/Configuration feature enables initial configuration of the
device and upgrading of the firmware through an automatic process, which
enables the administrator to ensure that the configuration/firmware of all the
devices in the network is up-to-date. Dell PowerConnect 55xx Systems User Guide 339
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The required configuration files/images are stored on a USB key or TFTP
server, and these are downloaded to all the devices in the network when the
device boots up instead of booting from a local startup configuration file.
Auto-Update/Configuration also enables quick installation of new devices on
the network, since an out-of-box device can be configured to retrieve its
configuration file from the network/USB, allowing instant access to it from
the administrator's management station and up-to-date configuration on the
device.
NOTE: If Auto-Update is performed through the USB port, in addition to upgrading
the Startup Configuration and image file, a new IP address can also be assigned
to the device. See "Setup Files" on page 339 below.
Setup Files
In addition to placing configuration and image files on the USB key, the USB
key might also contain a setup file, which is a file with a .setup extension.
Setup File Contents
A setup file contains one or more lines. Each line contains some or all of the
following fields:
• MAC Address—This indicates to which device the line applies. In this
way, a single setup file can be used for multiple devices.
• New IP Address—The new IP address to be assigned to the device.
• New IP Address Mask—The IP address mask to be applied to the new IP
address assigned to the device.
• Configuration File Name—Name of the configuration file to be used as
the Startup Configuration.
• Image File Name—Name of the image file to be loaded on device.
• Flag—Indicates the status of the line. The following values can be used in
this field:
– In-Use—This line has already been applied. It is no longer a candidate
for future use.
– Invalid—The line is invalid, do not use.
– Blank—There is no value for the flag field. This line is a candidate to
be applied to the device.340 Dell PowerConnect 55xx Systems User Guide
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Setup File Format
A line in a setup file contains all or some of the above fields separated by
spaces (in the following order):
If the field is omitted, it is considered to be blank.
A line can be in one of the following formats:
• Format A—Contains all possible fields:
Examples:
– 0080.c200.0010 192.168.0.10 255.255.255.0 switch-X.text pc5500-
4018.ros
This means that the line applies to the device with MAC address:
0080.c200.0010; a new IP address of 192.168.0.10 is to be assigned to
the device, with mask: 255.255.255.0. The switch-x.text is the Startup
Configuration file and pc5500-4018.ros is the new image file.
– 0080.c200.0010 192.168.0.10 255.255.255.0 switch-X.text pc5500-
4018.ros in-use
This line will not be used because the flag is in-use indicating that it
has already been used for some device, and it would be incorrect to use
if for another device.
– 0080.c200.0010 192.168.0.10 255.255.255.0 switch-X.text pc5500-
4018.ros invalid
This line will not be used because the flag is invalid indicating that it
is failed in the past.Dell PowerConnect 55xx Systems User Guide 341
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• Format B—Contains the following 4 fields:
Example:
0080.c200.0010 switch-X.text pc5500-4018.ros
This means that the line applies to the device with MAC address:
0080.c200.0010. The switch-x.text is the Startup Configuration file and
pc5500-4018.ros is the new image file.
• Format C—Contains the following 5 fields:
Example:
192.168.0.10 255.255.255.0 switch.text pc5500-4018.ros
This means that the line applies to any device (no MAC address is
supplied); a new IP address of 192.168.0.10 is to be assigned to the device,
with mask: 255.255.255.0. The switch-x.text is the Startup Configuration
file and pc5500-4018.ros is the new image file.
• Format D—Contains the following 3 fields:
Example:
192.168.0.10 255.255.255.0
This means that the line applies to any device (no MAC address is
supplied); a new IP address of 192.168.0.10 is to be assigned to the device,
with mask: 255.255.255.0.342 Dell PowerConnect 55xx Systems User Guide
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Triggering the Auto-Update/Configuration Process
When the Auto-Update/Configuration feature is enabled (in the Auto
Update of Configuration/Image File page), the device automatically attempts
to download a new image or configuration file (under certain circumstances)
using one of the following processes:
• The Auto-Update process is triggered from the USB drive if a USB key in
the USB drive is found.
• The Auto-Configuration process is triggered from the USB drive after the
Auto-Update process completed and the device was rebooted (if a new
image file was loaded), and if the following conditions are fulfilled:
– There is a USB key in the USB drive.
– Force Configuration Download at Next Startup has been enabled by
the boot host dhcp command, or the Startup Configuration file is
empty.
See "Performing Auto-Update from a USB Drive" on page 343.
• The Auto-Update from a TFTP server is triggered if the following
conditions are fulfilled:
– The conditions for a USB Auto-Update are not fulfilled.
– An IP address of a TFTP server is received from a DHCP server.
– A file name is received from DHCP server.
• The Auto-Configuration from a TFTP server is triggered if the following
conditions are fulfilled:
– The conditions for USB Auto-Configuration are not fulfilled.
– The switch as DHCP client received a configuration file name or a
TFTP URL.
– Force Configuration Download at Next Startup enabled by the boot
host dhcp command, or, the Startup Configuration file is empty.
See "Preparations for Using Auto Configuration from a TFTP Server" on
page 345.
NOTES:
• DHCP client never triggers the Auto-Update process from a TFTP server
after attempting (whether successfully or not) to auto-update/configure
configuration/image file from the USB drive. Dell PowerConnect 55xx Systems User Guide 343
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• If the auto process involved setting the IP address of the device from the
setup file, the auto process from the TFTP server can be triggered.
• If the USB drive contains a setup file, but that setup file does not include a
line that can be used for the current device, the DHCP client is able to
trigger the Auto-Update process from TFTP (because the USB process
never started at all).
Automatic DHCP IP Interface Assignment
The user can manually define a DHCP interface in the DHCP IPv4 page.
If the user does not do this, the switch automatically creates a DHCP
interface on the VLAN with the lowest VLAN ID that does not have an IP
address defined on it after boot if both of the following conditions are
fulfilled:
• There is no DHCP IP interface.
• There is a VLAN without an IP address.
Preparations for Using Auto Update/Configuration from a USB Drive
Before Auto-Update/Configuration from a USB drive can be performed, the
following steps must be performed:
1. Enable Auto-Update/Configuration in the Auto Update of
Configuration/Image File page.
2. (Optional) Create a line in the setup file for this device containing the
required options and load it on the USB key.
3. Load configuration/image files on the USB key as required.
4. Insert the USB key in the USB drive and reboot the device.
Performing Auto-Update from a USB Drive
When Auto-Update is initiated from a USB drive, the following steps are
performed:
1. Locate the correct setup file—The USB drive is searched for a setup file.
One of the following can occur:
– Setup file is not found—The root folder of the USB is searched for an
image files (with .ros extension).
• The image file with the most recent version is loaded into the
image file if the versions are different.344 Dell PowerConnect 55xx Systems User Guide
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• If a new image file was loaded, the device is rebooted.
• The USB drive is searched for a configuration file (.text
extension). If there is more than one configuration file, the file
named powerconnect.text is loaded (if it is not found the process
is stopped).
– One or more setup files are found—If a single setup file is found, it is
used; if several files are found, the file powerconnect.setup is used. If
no setup file with this name is found, the process is stopped.
2. Find the line in the setup file relevant to the device—When the correct
setup file is found, it is searched for a line relevant to the device, as
follows:
– The setup file is searched for a line with format A or B in which there
is a match to the device's MAC address. If such line is found, and its
format is valid (the field is empty), the line is applied.
– If no line for the specific device was found, the setup file is searched
for valid lines with formats C or D. The first line found is applied.
3. Apply the correct line—When the correct line in the setup file is found,
it is applied, as follows:
– If the line contains an IP address and IP mask, the IP address is
configured on the default VLAN.
– If the line contains an image file and its version differs from the
current image file version, the USB image file is loaded and the switch
is rebooted.
– If a new image file was loaded, it is loaded onto all units in the stack.
– If the line contains a configuration file, the configuration file is
appended to running configuration file.
4. Mark the flag in the applied line—When the line is applied (successfully
or not), its flag is set, as follows:
– If the line contains an IP address and IP mask (format C or D), the IP
address is configured on the default VLAN and the line is marked as
"in-use". This ensures that the line is not used for another device.
– If the line was not applied successfully, for one of the following
reasons, the line is marked as "invalid" and a SYSLOG message is sent.Dell PowerConnect 55xx Systems User Guide 345
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• The configuration file specified by the line does not exist on the
USB key or is corrupted.
• The image file specified by the line does not exist on the USB key
or is corrupted.
– If parsing of the line failed for some other reason, the line is ignored
and a SYSLOG message is sent.
NOTE: When both Auto-Update and Auto-Configuration are performed, the image
file is loaded first, the device is booted and then the configuration file is loaded.
Preparations for Using Auto Configuration from a TFTP Server
The Auto-Update/Configuration feature enables configuring the device from
a configuration file found on the TFTP server.
Two methods may be used:
• One-file Read, described in "Auto Configuration (One File Read Method)"
on page 345. This method is used if a configuration file is found on the
TFTP server.
• Multi-file Read, described in "Auto Configuration (Multi File Read
Method)" on page 346. This method is used if a configuration file name is
not found on the DHCP server, or the configuration file is not found on
the TFTP server.
Auto Configuration (One File Read Method)
This method requires the following preparations on the DHCP and TFTP
servers:
• TFTP Server
Place a configuration file, for example config.txt in the main directory.
This file can be created by copying a configuration file from a device.
When the device is booted this becomes the Running configuration file.
• DHCP Server
– Configure the DHCP server with option 67 and the name of the
configuration file on the TFTP server (for example, config.txt).
– Configure the DHCP server with option -20 or 66. This is the IP
address of the TFTP server.346 Dell PowerConnect 55xx Systems User Guide
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• Device - On the device, one of the following cases may exist:
– If Configuration Auto-Config is selected, the device is configured
with the configuration file on the TFTP server only if the Startup
configuration file is empty.
– If Force Configuration Download at Next Startup is selected, the
device is configured with the configuration file on the TFTP server
whether the Startup configuration file is not empty or not.
Auto Configuration (Multi File Read Method)
If the one-file method has failed and the TFTP Server IP address has been
provided by the DHCP Server, the switch applies the multi-file method to
download the configuration file. The following steps are performed by the
switch:
• The switch gets the hostname, as described below.
– If the hostname was provided by the DHCP server, this hostname is
used.
– If the hostname has not been provided by a DHCP server, and if the
user has configured the sysName variable, its value is used as a
hostname.
– If neither of the above occurred, the switch uses the fp-net.cfg
Filename List on the TFTP server. Each file in this list is a text file
containing commands, each of which:
• Occupies one line.
• Has the following format: ip host hostname ip-addr. Each line
maps an IP address to a hostname. When the switch identifies its
own IP address in this list, the hostname associated with it is used.
• The switch tries to download a configuration file with the following names:
– hostname-config
– hostname.cfg if the previous file does not exist
– host.cfg if the previous files do not existDell PowerConnect 55xx Systems User Guide 347
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Preparations for Firmware Image Download from TFTP
The image file download consists of the following steps:
• The switch downloads the Indirect Image File and extracts from it the
name of the image file.
Note: If the size of the image name bigger than 160 octets only the first
160 octets will be used
• If the image file version differs from the current image file version, then
the image file is loaded and the switch is rebooted.
The preparations on the DHCP and TFTP servers require the following:
• TFTP Server
– Create a sub directory in the main directory. Place a software image
file in it.
– Create an indirect file that contains a path and the name of the
software version (for example indirect-contax.txt that contains
contax\contax-version.ros).
– Copy this file to the TFTP server’s main directory
• DHCP Server
– Configure the DHCP server with option -20 or 66. This is the IP
address of the TFTP server.
– Configure the DHCP server with option 125. Enter the following
information:
• A2-02-00-00 — Enterprise Number 674 (Dell PowerConnet 55xx
value). It should be written from right to left. 674=02 a2
• 15 — Data Length
• 01 — Sub option code 1 (Dell PowerConnet 55xx value)
• 13 — Sub option length
• Conversion of the file name (in the above example: conversion of
indirect-contax.txt from ASCII to HEX - 69-6E-64-69-72-65-63-
74-2D-63-6F-6E-74-61-78-2E-74-78-74348 Dell PowerConnect 55xx Systems User Guide
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Auto Update Configuration through the GUI
To set the auto update and configuration parameters:
. NOTE: For the automatic options in this page to work the following must be
implemented:
• Since Auto-Config depends on retrieving information from a DHCP server, the
startup configuration needs to include a DHCP IP interface. The device is
defined as a DHCP client, as described in "DHCP IPv4 Interface" on page 214.
After reboot, this command is not saved in the Startup configuration.
• Preparations described above must be completed on the DHCP server and
TFTP servers.
1 Click System > File Management > Auto Update of
Configuration/Image File in the tree view to display the Auto Update of
Configuration/Image File page.
Figure 9-54. Auto Update of Configuration/Image File
The auto-update-configuration options are displayed.
2 Modify the auto-update configuration parameters as required:
– Configuration Auto-Config (boot host auto-config)— Enable/disable
automatic download of the configuration parameters to the Running
Configuration file. By default, this occurs only if the Startup
Configuration file is empty.
– Firmware Auto-Update (boot host auto-update)— Enable/disable
automatic download of the image file. Dell PowerConnect 55xx Systems User Guide 349
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– Force Configuration Download at Next Startup (boot host dhcp) —
Enable/disable the Configuration Auto Update option to work even if
the Startup Configuration file is not empty.
– Auto-Copy Running Configuration to Startup Configuration After
Download (boot host auto-save)— Enable/disable the Running
Configuration file to be automatically copied to the Startup
Configuration file after downloading the Running Configuration file.
Auto Update Configuration Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the Auto Update of Configuration/Image File page.
Table 9-63. Auto Update of Configuration/Image File CLI Commands
CLI Command Description
boot host auto-config
no boot host auto-config
Enables the support of autoconfiguration via DHCP.
Use the no form of this command to
disable DHCP auto configuration.
boot host auto-update
no boot host auto-update
Enables the support of auto-update via
DHCP.
Use the no form of this command to
disable DHCP auto configuration
boot host dhcp
no boot host dhcp
Forces the mechanism used to
download a configuration file at the
next system startup.
Use the no form of this command to
restore the host configuration file to the
default.
boot host auto-save
no boot host auto-save
Enables automatic saving of Running
configuration in Startup configuration
after download.
Use the no form of this command
restore default behavior
show boot Shows the status of the IP DHCP Auto
Config process.350 Dell PowerConnect 55xx Systems User Guide
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The following is an example of the CLI command to view the Auto-Update
status:
The following is an example of the CLI command to configure auto-update
on the switch:
console# show boot
Auto Config
-----------
Config Download via DHCP: enabled
Next Boot Config Download via DHCP: force
Auto Update
-----------
Image Download via DHCP: enabled
console# configure
console(config)# boot host auto-save
console(config)# interface vlan 1
console(config-if)# ip address dhcp
console(config-if)# 01-Oct-2006 15:19:51 %BOOTP_DHCP_CL-WDHCPIPCANDIDATE: The device is waiting for IP address
verification on interface Vlan 1 , IP 10.5.225.47, mask
255.255.255.224, DHCP server 10.5.224.25
01-Oct-2006 15:20:03 %BOOTP_DHCP_CL-I-DHCPCONFIGURED: The
device has been configured on interface Vlan 1 , IP
10.5.225.47, mask 255.255.255.224, DHCP server 10.5.224.25
01-Oct-2006 15:20:03 %COPY-I-FILECPY: Files Copy - source
URL tftp://10.5.224.4/33.txt destination URL runningconfig
01-Oct-2006 15:20:03 %COPY-N-TRAP: The copy operation was
completed successfully
01-Oct-2006 15:20:03 %COPY-I-FILECPY: Files Copy - source
URL running-config destination URL flash://startup-config
01-Oct-2006 15:20:10 %COPY-N-TRAP: The copy operation was
completed successfullyDell PowerConnect 55xx Systems User Guide 351
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File Download
Software and configuration files can be downloaded from an external device
to the switch:
• To download from a USB port or when management computer uses HTTP
• To download files using TFTP
To download from a USB port or when management computer uses HTTP
1 Click System > File Management > File Download in the tree view to
display the File Download page.
Figure 9-55. File Download
2 For HTTP, enter the IP Format fields for the HTTP server IP address.
– Supported IP Format — Select whether IPv4 or IPv6 format is
supported.
– IPv6 Address Type — When the server supports IPv6, this specifies
the type of static address supported. The possible options are:
• Link Local — A Link Local address that is non-routable and used
for communication on the same network only.
• Global — A globally unique IPv6 address; visible and reachable
from different subnets.352 Dell PowerConnect 55xx Systems User Guide
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– Link Local Interface — When the server supports an IPv6 Link Local
address, this specifies the Link Local interface. The possible options
are:
• VLAN — The VLAN on which the IPv6 interface is configured.
• ISATAP — The IPv6 interface is configured on an ISATAP
tunnel.
3 Select a Firmware/Configuration option. The possible options are:
– Firmware Download — A firmware file is downloaded.
– Configuration Download — A configuration file is downloaded.
4 Select to download firmware or a configuration file via a USB port or
HTTP in Download Protocol.
5 If the Firmware Download option was selected, enter the following:
– Source File Name (1-64 characters) — The file to be downloaded.
– Destination File Type — The destination file type to which the file is
downloaded. The possible options are:
• Software Image — Downloads the Image file. The image file
overwrites the non-active image. It is recommended to designate
that the non-active image becomes the active image after reset,
and then to reset the device following the download. During the
Image file download a dialog box opens that displays the
download progress, and browsing is disabled.
• Boot Code — Downloads the Boot file.
6 If the Configuration Download option was selected, enter the following:
– Server IP Address — Enter the IP address of the server.
– Source File Name (1-64 Characters) — Enter the source file name.
– Destination File Name — Select the destination file to which the
configuration file is downloaded. The possible options are:
• Running Configuration — Check to download commands into
the Running Configuration file. The current file is overwritten.
• Startup Configuration — Check to download commands into the
Startup Configuration file. The current file is overwritten.
• New File Name (1-64 Characters) — Check to copy commands
into a file in flash memory. Enter the filename.Dell PowerConnect 55xx Systems User Guide 353
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7 Click Activate to start the download process.
To download files using TFTP
1 Click System > File Management > File Download in the tree view to
display the File Download page.
Figure 9-56. File Download
2 Enter the IP Format fields for the TFTP server IP address.
– Supported IP Format — Select whether IPv4 or IPv6 format is
supported.
– IPv6 Address Type — When the server supports IPv6, this specifies
the type of static address supported. The possible options are:
• Link Local — A Link Local address that is non-routable and used
for communication on the same network only.354 Dell PowerConnect 55xx Systems User Guide
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• Global — A globally unique IPv6 address; visible and reachable
from different subnets.
– Link Local Interface — When the server supports an IPv6 Link Local
address, this specifies the Link Local interface. The possible options
are:
• VLAN — The VLAN on which the IPv6 interface is configured.
• ISATAP — The IPv6 interface is configured on an ISATAP
tunnel.
3 Select a Firmware/Configuration option. The possible options are:
– Firmware Download — A firmware file is downloaded.
– Configuration Download — A configuration file is downloaded.
4 Select to download firmware or a configuration file via a TFTP server in
Download Protocol.
5 If the Firmware Download option was selected, enter the following:
– Server IP Address — The IP address of the server from which the
firmware file is downloaded.
– Source File Name (1-64 characters) — The file to be downloaded.
– Destination File Type — The destination file type to which the file is
downloaded. The possible options are:
• Software Image — Downloads the Image file. The image file
overwrites the non-active image. It is recommended to designate
that the non-active image becomes the active image after reset,
and then to reset the device following the download. During the
Image file download a dialog box opens that displays the
download progress. The window closes automatically when the
download is complete.
• Boot Code — Downloads the Boot file.
6 If the Configuration Download option was selected, enter the following:
– Server IP Address — The TFTP server IP address from which the
configuration files are downloaded.
– Source File Name (1-64 characters) — The configuration file to be
downloaded. Dell PowerConnect 55xx Systems User Guide 355
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– Destination File Name — The destination file to which the
configuration file is downloaded. The possible options are:
• Running Configuration — Check to download commands into
the Running Configuration file. The current file is overwritten.
• Startup Configuration — Check to download commands into the
Startup Configuration file. The current file is overwritten.
• New File Name (1-64 characters) — Check to download
commands into a configuration backup file. Enter the filename.
7 Click Activate to start the download process.
Downloading Files Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the File Download page.
The following is an example of the CLI command:
NOTE: Each exclamation mark (!) indicates that ten packets were successfully
transferred.
File Upload
Software and configuration files can be uploaded to an external device.
• To upload from a USB port or when management computer uses HTTP
• To upload a file or image using TFTP
Table 9-64. File Download CLI Commands
CLI Command Description
copy source-url destinationurl
Copies files from a source to a
destination.
console# copy tftp://10.6.6.64/pp.txt startup-config
....!
Copy: 575 bytes copied in 00:00:06 [hh:mm:ss]
01-Jan-2000 06:41:55 %COPY-W-TRAP:
The copy operation was completed successfully 356 Dell PowerConnect 55xx Systems User Guide
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The following methods can be used:
• To upload from a USB port or when management computer uses HTTP
• To upload a file or image using TFTP
To upload from a USB port or when management computer uses HTTP
1 Click System > File Management > File Upload in the tree view to
display the File Upload page.
Figure 9-57. File Upload
2 Configuration Upload is selected automatically.
3 Select to upload a configuration file when the management computer is
using HTTP or from a USB port in Download Protocol.
4 Enter the fields:
– Transfer File Name — The configuration file to which the
configuration is uploaded. The possible options are:
• Running Configuration — Uploads the Running Configuration
file.
• Startup Configuration — Uploads the Startup Configuration file.
5 Click Activate to start the upload process. A message will be displayed
asking where for the path of the destination file.Dell PowerConnect 55xx Systems User Guide 357
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To upload a file or image using TFTP
1 Click System > File Management > File Upload in the tree view to
display the File Upload page.
Figure 9-58. File Upload
2 Enter the IP Format fields for the TFTP server IP address.
– Supported IP Format — Select whether IPv4 or IPv6 format is
supported.
– IPv6 Address Type — When the server supports IPv6, this specifies
the type of static address supported. The possible options are:
• Link Local — A Link Local address that is non-routable and used
for communication on the same network only.
• Global — A globally unique IPv6 address; visible and reachable
from different subnets.358 Dell PowerConnect 55xx Systems User Guide
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– Link Local Interface — When the server supports an IPv6 Link Local
address, this specifies the Link Local interface. The possible options
are:
• VLAN — The VLAN on which the IPv6 interface is configured.
• ISATAP — The IPv6 interface is configured on an ISATAP
tunnel.
3 Select one of the options:
– Firmware Upload — A firmware file is uploaded.
– Configuration Upload — A configuration file is uploaded.
4 Select to upload firmware or a configuration file via a TFTP server in
Download Protocol.
5 If Firmware Upload was selected, enter:
– TFTP Server IP Address — The TFTP server IP address to which the
software image is uploaded.
– Destination File Name (1-64 Characters) — The file name to which
the file is uploaded.
6 If Configuration Upload was selected, enter:
– TFTP Server IP Address — The TFTP server IP address to which the
configuration file is uploaded.
– Destination File Name (1-64 Characters) — The configuration file
name/path to which the file is uploaded.
– Transfer File Name — The configuration file that is uploaded. The
possible options are:
• Running Configuration — Uploads the Running Configuration
file.
• Startup Configuration — Uploads the Startup Configuration file.
• User-defined Files —Uploads the selected file. A user-defined
file is only displayed in this list if one was previously created by a
user, for example, if the user copied the running configuration file
to a user-defined configuration file called BACKUP-SITE-1, the
BACKUP-SITE-1 configuration file is displayed in the list and can
be selected.
7 Click Activate to start the upload process.Dell PowerConnect 55xx Systems User Guide 359
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Uploading Files Using CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the File Upload page.
The following is an example of the CLI commands:
Table 9-65. File Upload CLI Commands
CLI Command Description
copy source-url destination-url Copies any file from a source to a
destination.
console# copy image tftp://10.6.6.64/uploaded.ros
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Copy: 4234656 bytes copied in 00:00:33 [hh:mm:ss]
01-Jan-2000 07:30:42 %COPY-W-TRAP:
The copy operation was completed successfully360 Dell PowerConnect 55xx Systems User Guide
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Active Images
There are two firmware images, Image1 and Image2, stored on the switch.
One of these images is identified as the active image, and the other is
identified as the inactive image. The switch boots from the active image.
You can switch the inactive image to the active image, and then reboot the
switch.
The active image file for each unit in the stack can be individually selected.
To select the image file to be used after reset:
1 Click System > File Management > Active Images in the tree view to
display the Active Images page.
Figure 9-59. Active Images
The following fields are displayed:
– Unit ID — ID of the unit.Dell PowerConnect 55xx Systems User Guide 361
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– Active Image — The name of the image file that is currently active on
the unit in the stack.
– After Reset — The image file that will be active on the unit in the
stack after the device is reset. The possible options are:
• Image 1 — Activates Image file 1 after the device is reset.
• Image 2 — Activates Image file 2 after the device is reset.
2 Click Apply to select the image file to be used after reset in After Reset.
Working with the Active Image File Using CLI Commands
The following table summarizes the CLI commands for viewing fields
displayed in the Active Images.
The following is an example of the CLI commands:
Copy Files
Firmware and configuration files can be copied between units in the stack.
Use the Copy Files page to perform the following:
• Copy the firmware on the Master unit to another unit in the stack.
• Copy the master Running Configuration file to the master sTartup
Configuration file, or copy the configuration to a user-defined
configuration file.
• Copy the master Startup Configuration file to a backup file on the Flash
file system or to a USB if available.
Table 9-66. Active Image CLI Commands
CLI Command Description
boot system {image-
1|image-2} [switch
number|all]
Sets the system image that the device loads at
startup.
show version [unit
unit]
Displays version information for the system
console# boot system image-1 all362 Dell PowerConnect 55xx Systems User Guide
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• Copy a configuration file to the Running Configuration file. It is
important to be aware that copying a file to the Running Configuration
file actually executes these commands, so some of the configuration
commands might fail (for example when trying to create a VLAN that is
already defined on the system).
• Restore configuration factory defaults.
To copy files:
1 Click System > File Management > Copy Files in the tree view to display
the Copy Files page.
Figure 9-60. Copy Files
2 To copy the firmware from the Master unit to the Backup Master unit or to
all other units, select Copy Master Firmware and select the options:
– Source— Select either the current Master unit’s software image file or
boot code file.Dell PowerConnect 55xx Systems User Guide 363
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– Destination Unit — Check to copy the firmware to either the Backup
Master unit or all units in the stack.
3 To copy the Running Configuration file of the Master unit to the Startup
Configuration file of the Master unit or vice versa, select Copy
Configuration Firmware and enter the options:
– Source — Select either the Running Configuration or the Startup
Configuration file.
– Destination — Select either the Running Configuration, Startup
Configuration file or user-created flash files, depending on the source
configuration file.
or
– New File Name (1-64 characters) — To copy the source file to a
user-named file, enter the name of a file. If this option is selected,
check where the file is stored: Flash or USB.
4 Select Restore Configuration Factory Defaults to replace the current
configuration settings by the factory configuration default settings.
5 Click Activate to initiate the selected process.
Copying Files Using CLI Commands
The following table summarizes the CLI commands for performing actions
provided by the Copy Files page.
Table 9-67. Copy Files CLI Commands
CLI Command Description
copy source-url destination-url Copies any file from a source to a
destination.
delete startup-config Deletes the startup-config file.
delete url Deletes a file from the FLASH
memory device.364 Dell PowerConnect 55xx Systems User Guide
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The following is an example of the CLI commands:
console# delete startup-config
Delete startup-config [y/n]? y
console# 01-Oct-2006 16:10:51 %FILE-I-DELETE: File Delete -
file URL flash://startup-config
console# copy running-config startup-config
Overwrite file [startup-config] ?[Yes/press any key for
no]....01-Oct-2006 16:11
:47 %COPY-I-FILECPY: Files Copy - source URL running-config
destination URL flash://startup-config
01-Oct-2006 16:12:01 %COPY-N-TRAP:
The copy operation was completed successfully
Copy succeededDell PowerConnect 55xx Systems User Guide 365
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File System
Use the File System page to view information about files currently stored on
the system, including file names, file sizes, files modifications, and file
permissions. The files system permits managing up to two user-defined
backup configuration files.
To view information about files:
1 Click System > File Management > File System in the tree view to
display the File System page.
Figure 9-61. File System
2 Select the File Location. The possible options are:
– Flash — Files in flash memory are displayed.
– USB — Files on the USB device are displayed. 366 Dell PowerConnect 55xx Systems User Guide
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The following information is displayed for all files in the system:
– File Name — The name of the file currently stored in the file
management system.
– Size — The file size.
– Modified — The date the file was last modified.
– Permission — The permission type assigned to the file.
3 The following system-wide information is displayed if Flash was selected:
– Total Bytes — The total amount of the space currently being used.
– Free Bytes — The remaining amount of space currently free. Total
bytes and free bytes are not available when selecting USB.
4 To rename a file, click its Rename button. Change the File Name.
Managing Files Using CLI Commands
The following table summarizes the CLI command for viewing system files.
The following is an example of the CLI commands:
Table 9-68. File Management CLI Command
CLI Command Description
dir [flash://|usb://] Display list of files on a flash file system
rename url new-url Renames a file
delete url Deletes a file
console# dir flash://
Directory of flash:
File Name Permission Flash Size Data Size Modified
-------------- ---------- ---------- --------- -----------------------
1.cfg rw 524160 14065 05-Oct-2006 21:20:36
2.cfg rw 524160 14065 7-Oct-2006 09:11:07
aaafile.prv -- 65520 -- 03-Oct-2006 15:45:41
dhcpdb.sys r- 65520 -- 01-Oct-2006 19:22:49
Total size of flash: 16121856 bytes
Free size of flash: 524768 bytesDell PowerConnect 55xx Systems User Guide 367
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Stack Management
This section describes how to manage the stack.
It consists of the following topics:
• Stack Management Overview
• Stack Unit ID
• Versions
• Reset
• Unit Identification (Location)
Stack Management Overview
A stack consists of up to eight units, with support for up to 400 network ports.
Unit 1 usually acts as the stack master and Unit 2 is the backup master. All
other units act as slaves.
The entire stack, without regard to the stack topology or the number of units
in the stack, can be managed as a single switch.
For more information about stacking, see "Stacking Overview" on page 45.
The stacking pages described in this section enable the following actions:
• Switching from the Master unit to the Backup Master unit
• Changing unit IDs
• Viewing hardware and software versions on each unit
• Resetting either a unit or all the units in the stack
• Setting the Location LED on a unit(s)
Stack Unit ID
Use the Stack Unit ID pages to:
• Switch stack control from the Master unit to the Backup Master unit
• Change unit IDs, or enable them to be automatically numbered by the
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To switch from the Backup Master unit to the Master Unit or set unit IDs:
1 Click System > Stack Management > Stack Unit ID in the tree view to
display the Stack Unit ID page.
Figure 9-62. Stack Unit ID
2 Enter the fields:
– Switch Stack Control from Unit 1 to Unit 2 — Check this field to
make unit 2 the Master unit.
– Unit ID After Reset — Select Auto if you want the system to assign
the unit ID after reset. Select a number to assign the unit an ID
manually.Dell PowerConnect 55xx Systems User Guide 369
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Managing Stacks Using the CLI Commands
The following table summarizes the CLI commands for setting fields
displayed in the Stack Unit ID page.
The following is an example of the CLI commands:
Table 9-69. Stack Unit ID CLI Commands
CLI Command Description
stack master unit
no stack master
Makes the unit specified be the Master unit.
Use the no version to restore the default
Master unit.
switch current-unit-number
renumber new-unit-number
Changes the unit ID of a specific unit.
console(config)# stack master unit 2
console(config)# switch 3 renumber 6370 Dell PowerConnect 55xx Systems User Guide
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Versions
To view the hardware and software versions currently running on the switch:
• Click System > Stack Management > Versions in the tree view to display
the Versions page.
Figure 9-63. Versions
The following fields are displayed:
– Unit ID — The unit number for which the device versions are
displayed.
– Software Version — The current software version running on the
device.
– Boot Version — The current Boot version running on the device.
– Hardware Version — The current device hardware version.Dell PowerConnect 55xx Systems User Guide 371
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Displaying Device Versions Using the CLI
The following table summarizes the CLI commands for viewing fields
displayed in the Versions page.
The following is an example of the CLI commands:
Reset
Use the Reset page to reset the device from a remote location.
To reset a unit in the stack:
1 If changes were made to the Running Configuration file, save them to the
Startup Configuration file before resetting the device. This prevents the
current device configuration from being lost. For more information about
saving Configuration files, see "Copy Files" on page 361.
Table 9-70. Versions CLI Commands
CLI Command Description
show version [unit-id] Displays system version information for a
unit or for the whole stack.
console> show version 2
Unit SW Version Boot Version HW Version
---- ------------- ------------- ------------
2 1.0.0.8 1.0.0.02 00.00.01372 Dell PowerConnect 55xx Systems User Guide
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2 Click System > Stack Management > Reset in the tree view to display the
Reset page.
Figure 9-64. Reset
3 In the Reset Unit ID field, select either the unit ID to be reset or Stack to
reset all the units in the stack.
Resetting the Device Using the CLI
The following table summarizes the CLI commands for performing a reset of
the device via the CLI:
Table 9-71. Reset CLI Command
CLI Command Description
reload [slot unit]
Reloads the operating system of a single unit or of
all the units.Dell PowerConnect 55xx Systems User Guide 373
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The following is an example of the CLI command:
Unit Identification (Location)
The Location LED on a unit helps you to discover a specific unit, or indeed,
all the units in a stack.
To light up the Location LED:
1 Click System > Stack Management > Unit Identification in the tree
view to display the Unit Identification page.
Figure 9-65. Unit Identification
console# reload
You haven't saved your changes. Are you sure you want to
continue? (Y/N)[N] Y
This command will reset the whole system and disconnect
your current session. Do you want to continue? (Y/N)[N]374 Dell PowerConnect 55xx Systems User Guide
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2 Enter the fields:
– Identify Unit ID —Select a unit. This unit’s Location and Power LED
start blinking. Select All to cause the Location LEDs in all the units in
the stack to light up.
– Identification Duration (2-60) —Enter a time interval. The Location
and Power LED light up for this period of time.
Setting the Location LED Using the CLI
The following table summarizes the CLI commands for setting the Location
LED:
The following is an example of the CLI command:
Table 9-72. Location LED CLI Commands
CLI Command Description
system light [unit unitnumber] [duration seconds]
system light stop
Lights the location LED on a specific unit.
Use the no form of this command to
turn off the light.
console# system light unit 1Dell PowerConnect 55xx Systems User Guide 375
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sFlow
This section describes sFlow monitoring of traffic.
It contains the following sections:
• sFlow Overview
• Workflow
• sFlow Receiver Settings
• sFlow Interface Settings
• sFlow Statistics
sFlow Overview
The sFlow feature enables collecting statistics using the sFlow sampling
technology, based on sFlow V5.
This sampling technology is embedded within switches and routers. It
provides the ability to continuously monitor traffic flows on some or all the
interfaces, simultaneously.
The sFlow monitoring system consists of an sFlow agent (embedded in a
switch or router or in a stand alone probe) and a central data collector, known
as the sFlow receiver.
The sFlow agent uses sampling technology to capture traffic and statistics
from the device it is monitoring. sFlow datagrams are used to forward the
sampled traffic and statistics to an sFlow receiver for analysis.
sFlow V5 defines:
• How traffic is monitored.
• The sFlow MIB that controls the sFlow agent.
• The format of the sample data used by the sFlow agent when forwarding
data to a central data collector. The device provides support for two types
of sFlow sampling: flow sampling and counters sampling. The following
counters sampling is performed according to sFlow V5 (if supported by
the interface):
– Generic interface counters (RFC 2233)
– Ethernet interface counters (RFC 2358)376 Dell PowerConnect 55xx Systems User Guide
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Workflow
By default, flow and counter sampling are disabled.
To enable sFlow sampling:
1 Set the IP address of a receiver (also known as a collector) for sFlow
statistics. Use the sFlow Receivers Settings page for this.
2 Enable flow and/or counter sampling, direct the samples to a receiving
interface, and configure the average sampling rate. Use the sFlow
Interface Settings pages for this.
3 View and clear the sFlow statistics counters. Use the sFlow Statistics page
for this.Dell PowerConnect 55xx Systems User Guide 377
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sFlow Receiver Settings
To set the sFlow receiver parameters:
1 Click System > sFlow > sFlow Receivers Settings in the tree view to
display the sFlow Receivers Settings: Summary page.
Figure 9-66. sFlow Receivers Settings: Summary
The sflow parameters are displayed.
2 To add a receiver (sflow analyzer), click Add and select one of the
pre-defined sampling definition indices in Index.
3 Enter the receiver’s address fields:
– Supported IP Format — Select whether IPv4 or IPv6 format is
supported. 378 Dell PowerConnect 55xx Systems User Guide
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– IPv6 Address Type — When the server supports IPv6, this specifies
the type of static address supported. The possible options are:
• Link Local — A Link Local address that is non-routable and used
for communication on the same network only.
• Global — A globally unique IPv6 address; visible and reachable
from different subnets.
– Link Local Interface — When the server supports an IPv6 Link Local
address, this specifies the Link Local interface. The possible options
are:
• None — Disable the ISATAP tunnel.
• ISATAP — The IPv6 interface is configured on an ISATAP
tunnel.
– IP Address — Enter the receiver’s IP address.
4 Enter the fields:
– Syslog Port Number — Port to which SYSLOG message are sent.
– Maximum Header Size (Bytes) — Maximum number of bytes that
can be sent to the receiver in a single sample datagram (frame).
Adding an sFlow Receiver Using the CLI Commands
The following table summarizes the CLI commands for adding an sFlow
receiver.
Table 9-73. sflow Receiver CLI Commands
CLI Command Description
sflow receiver index {ipv4-
address|ipv6-address|hostname}
[port port] [max-datagram-size
bytes]
no sflow receiver index
Defines an sFlow receiver.
Use the no form of this command to
remove the definition of the receiver.
show sflow configuration
[port_id]
Displays the sFlow configuration for
ports that are enabled for Flow
sampling or Counters sampling.Dell PowerConnect 55xx Systems User Guide 379
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The following is an example of the CLI commands:
console(config)# sflow receiver 2 1.1.1.1 port 6343
console# show sflow configuration
Receivers
Index IP Address Port Max Datagram Size
----- -------------------- -------- ----------------
1 0.0.0.0 6343 1400
2 172.16.1.2 6343 1400
3 0.0.0.0 6343 1400
4 0.0.0.0 6343 1400
5 0.0.0.0 6343 1400
6 0.0.0.0 6343 1400
7 0.0.0.0 6343 1400
8 0.0.0.0 6343 1400
Interfaces
Interface Flow Counters Max Header Collector Index
Sampling Sampling Interval Size Sampling Counters
--------- --------- ----------------- ------------ ----------- ---------
gi1/0/1 1/2048 60 sec 128 1 1
gi1/0/2 1/4096 Disabled 128 0 2380 Dell PowerConnect 55xx Systems User Guide
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sFlow Interface Settings
To sample datagrams or counters from a port, the port must be associated
with a receiver. sFlow port settings can be configured only after a receiver has
been defined in the sFlow Receiver Settings pages.
To enable sampling and configure the port from which to collect the sFlow
information:
1 Click System > sFlow > sFlow Interface Settings in the tree view to
display the sFlow Interface Settings: Summary page.
Figure 9-67. sFlow Interface Settings: Summary
The sflow interface settings are displayed.
2 To associate an sFlow receiver with a port, click Add, and enter the fields:
– Interface — Select the unit/port from which information is collected.
– Flow Sampling — Enable/disable flow sampling. Flow sampling
cannot be disabled if Counters Sampling is disabled.Dell PowerConnect 55xx Systems User Guide 381
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– Flow Sampling Average Sampling Rate(1024–1073741823) — If x is
entered, a flow sample will be taken for each x frames.
– Flow Sampling Receiver Index — Select one of the indices that was
defined in the sFlow Receivers Settings pages.
– Flow Sampling Maximum Header Size (20–256) — Maximum
number of bytes that should be copied from a sampled packet.
– Counters Sampling — Enable/disable counters sampling. Flow
sampling cannot be disabled if Flow Sampling is disabled
– Counters Sampling Interval (15–86400) — If x is entered, this
specifies that a counter sample will be taken for each x seconds.
– Counters Sampling Receiver Index — Select one of the indices that
was defined in the sFlow Receivers Settings pages.
Configuring sFlow Interfaces Using the CLI Commands
The following table summarizes the CLI commands for configuring sFlow
interfaces.
The following is an example of the CLI commands:
Table 9-74. sflow Interface CLI Commands
CLI Command Description
sflow flow-sampling rate
receiver-index [max-header-size
bytes]
no sflow flow-sampling
Enables sFlow Flow sampling and
configure the average sampling rate
of a specific port.
Use the no form of this command to
disable Flow sampling.
sflow counters-sampling interval
receiver-index
no sflow counters-sampling
Enable sFlow counters sampling and
to configure the maximum interval of
a specific port.
Use the no form of this command to
disable sFlow Counters sampling.
console(config)# interface gi2/0/3
console(config-if)#sflow flow-sampling 1024 1 382 Dell PowerConnect 55xx Systems User Guide
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sFlow Statistics
To view sFlow statistics:
1 Click System > sFlow > sFlow Statistics in the tree view to display the
sFlow Statistics page.
Figure 9-68. sFlow Statistics
The following sflow statistics per interface are displayed:
– Interface — Port for which sample was collected.
– Packets Sampled — Number of packets sampled.
– Datagrams Sent to Receiver — Number of sFlow sampling packets
sent.
2 Click Clear Statistics to clear the counters.Dell PowerConnect 55xx Systems User Guide 383
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Viewing sFlow Statistics Using the CLI
The following table summarizes the CLI commands for viewing sFlow
statistics:
The following is an example of the CLI commands:
Table 9-75. sFlow Statistics CLI Command
CLI Command Description
show sflow statistics
[port-id]
Displays sFlow statistics for ports that are
enabled for Flow sampling or Counters
sampling.
clear sflow statistics
[port-id]
Clears sFlow statistics for ports that are
enabled for Flow sampling or Counters
sampling.
console # show sflow statistics
Total sFlow datagrams sent to collectors: 100
Interface Packets Sampled Datagrams Sent to Collector
--------- ------- ------------------------------------
gi1/0/1 30 50
gi1/0/2 10 10
gi2/0/1 0 10
gi2/0/2 0 0384 Dell PowerConnect 55xx Systems User Guide
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10
Ports
This section describes how to configure port functionality.
It contains the following topics:
• Overview
• Jumbo Frames
• Green Ethernet Configuration
• Protected Ports
• Port Profile
• Port Configuration
• LAG Configuration
• Storm Control
• Port MirroringDell PowerConnect 55xx Systems User Guide 385
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Overview
This section includes a description of port features and describes the
following:
• Auto-Negotiation
• MDI/MDIX
• Flow Control
• Back Pressure
• Port Default Settings
Auto-Negotiation
Auto-negotiation enables automatic detection of speed, duplex mode and
flow control on all switching 10/100/1000BaseT ports. Auto-negotiation is
enabled on all ports by default.
Auto-negotiation is a mechanism established between two link partners to
enable a port to advertise its transmission rate, duplex mode and flow control
abilities to its partner. Both ports then operate at the highest common
denominator.
If connecting a Network Interface Card (NIC) that does not support autonegotiation or is not set to auto-negotiation, both the device switching port
and the NIC must be manually set to the same speed and duplex mode.
If the station, on the other side of the link, attempts to auto-negotiate with a
device 100BaseT port that is configured to full duplex, the auto-negotiation
results in the station attempting to operate in half duplex.
MDI/MDIX
The device supports auto-detection of straight-through and crossed cables on
all 10/100/1000BaseT ports. This feature is part of auto-negotiation and is
enabled when Auto-negotiation is enabled.
When the MDI/MDIX (Media Dependent Interface with Crossover) is
enabled, the automatic correction of errors in cable selection is possible, thus
making the distinction between a straight-through cable and a crossover cable 386 Dell PowerConnect 55xx Systems User Guide
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irrelevant. The standard wiring for end stations is known as MDI (Media
Dependent Interface), and the standard wiring for hubs and switches is known
as MDIX.
Flow Control
The device supports 802.3x flow control for ports configured to Full Duplex
mode. By default, this feature is enabled on all ports, and it can be disabled
per port.
Flow control creates a lossless link with no packet loss. The flow control
mechanism enables the receiving side to signal to the transmitting side that
transmission must temporarily be halted to prevent buffer overflow. This
signaling is done by sending PAUSE frames. The ports that receives pause
frames stops transmitting traffic.
Flow control on the device works in Receive-Only mode, meaning that the
interfaces with enabled flow control receive PAUSE frames, but do not send
them.
When flow control is enabled, the system buffers are allocated per port so
that if the buffers of one port are consumed, other ports will still have their
free buffers.
Back Pressure
The device supports back pressure for ports configured to Half Duplex mode.
By default, this feature is disabled, and it can be enabled per port. The
back-pressure mechanism prevents the sender from transmitting additional
traffic temporarily. The receiver may occupy a link so it becomes unavailable
for additional traffic.
Port Default Settings
Table 10-1 describes the port default settings.
Table 10-1. Port Default Settings
Function Default Setting
Port speed and mode 10/100/1000 BaseT copper: auto-negotiation
SFP+1000/10G Mbps full duplex, auto discovery
Port forwarding state EnabledDell PowerConnect 55xx Systems User Guide 387
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Port tagging No tagging
Flow Control On
Back Pressure Off
Table 10-1. Port Default Settings (Continued)
Function Default Setting388 Dell PowerConnect 55xx Systems User Guide
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Jumbo Frames
Jumbo frames are frames of up to 10 Kb in size. If Jumbo frames are not
enabled, the system supports a packet size of up to 1,632 bytes.
To enable jumbo frames:
1 Click Switching > Ports > Jumbo Frames in the tree view to display the
Jumbo Frames page.
Figure 10-1. Jumbo Frames
The current jumbo frames setting is displayed
2 Enable/disable jumbo frames in the New Setting (after reset) field.
NOTE: You must save the configuration and reboot the device in order to make jumbo
frames operational.Dell PowerConnect 55xx Systems User Guide 389
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Configuring Jumbo Frames Using CLI Commands
The following table summarizes the CLI commands for configuring Jumbo
frames.
The following is an example of the CLI commands:
Table 10-2. Jumbo Frames CLI Commands
CLI Command Description
port jumbo-frame
no port jumbo-frame
Enables jumbo frames on the device.
Use the no form of this command to disable
jumbo frames.
console(config)# port jumbo-frame390 Dell PowerConnect 55xx Systems User Guide
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Green Ethernet Configuration
Green Ethernet is a name of a set of features that are designed to reduce the
power consumption of a device, and so make it environmentally friendly.
The Green Ethernet feature reduces overall power usage in the following
ways:
• Energy Efficient Ethernet — When using EEE, systems on both sides of
the link can disable portions of their functionality and save power during
periods of low link utilization. EEE is a hardware feature that is enabled by
default, and is transparent to users. This feature is defined per port,
regardless of their LAG membership.
• Short-Reach Mode — Power usage is adjusted to the actual cable length.
In this mode, the VCT (Virtual Cable Tester) length test is performed to
measure cable length. If the cable is shorter than a predetermined length,
the switch reduces the power used to send frames over the cable, thus
saving energy. This mode is only supported on RJ45 ports.
Power savings and current power consumption in Short Reach mode can
be monitored. The total amount of saved energy can be viewed as a
percentage of the power that would have been consumed by the physical
interfaces had they not been running in Green Ethernet mode.Dell PowerConnect 55xx Systems User Guide 391
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The above two energy saving modes must be enabled globally and then
configured per port.
Green Ethernet Configuration
To configure Green Ethernet settings:
1 Click Switching > Ports > Green Ethernet Configuration in the tree view
to display the Green Ethernet Configuration: Summary page.
Figure 10-2. Green Ethernet Configuration: Summary
2 The amount of energy saved from the last switch reboot is displayed in the
Cumulative Energy Saved field. This value is updated each time there is
an event that affects power saving. Click Reset to reset its value.
3 Enter the fields:
• Energy Efficient Ethernet — Globally enable/disable the Energy
Efficient Ethernet feature.
• Link Short-Reach Energy Saving Mode — Globally enable/disable
Short Reach mode.392 Dell PowerConnect 55xx Systems User Guide
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• Current Power Consumption — Displays the current power
consumption.
• Power Savings — Displays the percentage of power saved by running
in Green Ethernet mode.
4 Select a unit in the stack to display its power consumption parameters. Its
ports are displayed along with the following settings.
– Energy Efficient Ethernet
• Oper — Enabled or not on the port
• Remote Peer —Enabled or not on the remote peer
– Short-Reach
• Oper — Enabled or not on the port
• Fault Reason —Reason that short reach is not enabled
– Cable Length (Meter) — Length of cable.
5 Click LLDP Interface Details.
6 Select a unit in the stack. The following is displayed for each port on the
unit:
– Port — Port number.
– Oper — Displays the operational status of Green Ethernet.
– Resolved Tx Timer(μsec) — Integer that indicates the current
Tw_sys_tx is supported by the local system.
– Local Tx Timer(μsec) — Indicates the time (in micro seconds) that
the transmitting link partner waits before it starts transmitting data
after leaving Low Power Idle (LPI mode).
– Resolved Rx Timer(μsec) — Integer that indicates the current
Tw_sys_tx supported by the remote system.
– Local Rx Timer(μsec) — Indicates the time (in micro seconds) that
the receiving link partner requests that the transmitting link partner
waits before transmission of data following Low Power Idle (LPI
mode).
– Remote Tx Timer(μsec) — Indicates the local link partner’s
reflection of the remote link partner’s Tx value.Dell PowerConnect 55xx Systems User Guide 393
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– Remote Rx Timer(μsec) — Indicates the local link partner’s
reflection of the remote link partner’s Rx value.
Configuring Green Ethernet Using CLI Commands
The following table summarizes the CLI commands for configuring Green
Ethernet.
Table 10-3. Green Ethernet CLI Commands
CLI Command Description
green-ethernet short-reach
no green-ethernet short-reach
Enables/disables Green Ethernet short
reach mode.
green-ethernet short-reach
force
no green-ethernet short-reach
force
Forces short-reach mode on an
interface.
Use the no form of this command to
return to the default.
green-ethernet short-reach
threshold cable-length
no green-ethernet short-reach
threshold
Set the maximum cable length for
applying short-reach mode.
Use the no form of this command to
return to the default.
green-ethernet power-meter
reset
Resets the power save meter.
eee enable
no eee enable
Enables the EEE mode globally. Can
be used globally or per interface.
Use the no format of the command to
disable the mode.
eee lldp enable
no eee lldp enable
Enables EEE support by LLDP on an
Ethernet port.
Use the no format of the command to
disable the support.
show eee Displays EEE information.394 Dell PowerConnect 55xx Systems User Guide
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Protected Ports
Protected Port Overview
Protected ports provide Layer 2 isolation between interfaces (Ethernet ports
and LAGs) that share the same Broadcast domain (VLAN) with other
interfaces. This can be used to set up a group of ports that receive similar
services.
A protected port does not forward traffic (Unicast, Multicast, or Broadcast) to
any other protected port on the same switch.
A community is a group of protected ports. Protected ports within the same
community can forward traffic to each other.
The following types of ports can be defined:
• Protected Port — Can send traffic only to uplink ports.
• Community Port — A protected port that is associated with a community.
It can send traffic to other protected ports in the same community and to
uplink ports.
• Uplink Port — An uplink port is an unprotected port that can send traffic
to any port.
• Isolated Port — A protected port that does not belong to a community.
Port Protection is independent of all other features and configuration
settings. Two protected ports in a common VLAN cannot communicate with
each other.
Protected Port Restrictions
The following restrictions apply to protected ports:
• When a protected port is placed in a LAG, it loses its protected port
attribute and takes upon itself the LAG's protection attributes. When the
port is removed from the LAG, its attributes are re-applied.
• Mirrored traffic is not subject to protected ports rules.
• Routing is not affected by the protected port forwarding rule, so that if a
packet enters a protected port, it can be routed by the device to another
protected port.Dell PowerConnect 55xx Systems User Guide 395
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Protected Port Configuration
To configure protected ports and establish their communities:
1 Click Switching > Ports > Protected Ports in the tree view to display the
Protected Ports: Summary page.
Figure 10-3. Protected Ports: Summary
A summary of all the ports and their statuses is displayed.
2 Click Edit.
3 Select the unit and interface.
4 Enter values for the following fields:
• State — Select Protected/Unprotected to enable/disable port
protection.
• Community — Select the community to which to add the port, or
define the port as Isolated.396 Dell PowerConnect 55xx Systems User Guide
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Configuring Protected Ports Using CLI Commands
The following table summarizes the CLI commands for configuring
protected ports.
The following is an example of the CLI commands:
Table 10-4. Protected Ports CLI Commands
CLI Command Description
switchport protected-port
no switchport protected-port
Isolates Unicast, Multicast, and Broadcast
traffic on a port at Layer 2 from other
protected ports on the same switch.
Use the no form of this command to
disable protection on the port.
switchport community
community
no switchport community
Associates a protected port with a
community
Use the no form of this command to
return to default.
show interfaces protectedports[gigabitethernet|tengiga
bitethernet] port-number
Displays protected ports configuration.
console(config)# interface gi1/0/3
console(config-if)# switchport protected-port
console(config-if)# switchport community 1Dell PowerConnect 55xx Systems User Guide 397
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Port Profile
Port profiles provide a convenient way to save and share a port configuration.
When a port profile, which is a set of CLI commands having a unique name,
is applied to a port, the CLI commands contained within the profile (macro)
are executed and added to the Running Configuration file.
Port profiles can be applied to a specific interface, a range of interfaces, or
globally.
There are two types of port profiles:
• User Defined — Enables the user to bundle configurations, as a port
profile, and then apply it to one or more interfaces at a time. Up to 20
user-defined macros can be supported. These can only be defined through
CLI commands.
• Built-In — Pre-defined macros that cannot be changed or deleted. The
device includes the following built-in macros:
– Global
– Desktop
– Phone
– Switch
– Router
– Wireless Configuration
Before a built-in profile can be applied to an interface, the global profile must
be applied. The global profile enables QoS Advanced mode, sets Advanced
mode parameters, CoS to queue mapping, and DSCP to queue mapping and
defines certain standard ACLs. Use the CLI command show parser macro
name profile-global to display the Global profile contents.398 Dell PowerConnect 55xx Systems User Guide
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To assign a profile to a port:
1 Click Switching > Ports > Port Profile in the tree view to display the Port
Profiles: Summary page.
Figure 10-4. Port Profile: Summary
A summary of all the interfaces and their profiles is displayed.
2 To assign the Global profile to the system, check Run Global Profile.
Apply the global profile before applying a built-in interface profile.
3 To assign a profile to an interface, click Edit.
4 Select a unit/interface and a Assigned Profile. The Profile Description is
displayed.
5 Each profile requires entering various elements of VLAN information.
Enter the fields according to the profile:
– VLAN Port Mode — Displays the port mode applied to ports in the
profile.
– VLAN ID-Untagged (1-4094) — Enter the VLAN for untagged
traffic.
– VLAN ID-Tagged (1-4095) — Enter the VLAN for tagged traffic.Dell PowerConnect 55xx Systems User Guide 399
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– Native VLAN ID(1-4094) — Enter the VLAN ID used for untagged
traffic to trunk ports, or check None.
The remaining fields on this page are display-only, and describe the port
configuration of the profile. The following fields are described:
Port Security fields:
– Mode — Learning mode. The possible options are:
• Classic Lock — Locks the port using the classic lock mechanism.
The port is immediately locked, regardless of the number of
addresses that have already been learned.
• Limited Dynamic Lock — Locks the port by deleting the
dynamic MAC addresses associated with the port. The port learns
up to the maximum addresses allowed on the port. Both
relearning and aging MAC addresses are enabled.
– Max Entries — Displays the maximum number of MAC addresses
that can be learned on the port.
– Action on Violation — Action to be applied to packets arriving on a
locked port. The possible options are:
• Discard — Discard the packets from any unlearned source.
• Forward — Forward the packets from an unknown source,
without learning the MAC address.
• Shutdown — Discard the packet from any unlearned source, and
shut down the port. Ports remain shutdown until they are
reactivated, or the device is reset.
Spanning Tree fields:
– Point-to-Point Admin Status — Displays whether a point-to-point
links is established. The possible options are:
• Enable — Enables the device to establish a point-to-point link, or
specifies for the device to automatically establish a point-to-point
link. To establish communications over a point-to-point link, the
originating PPP first sends Link Control Protocol (LCP) packets
to configure and test the data link. After a link is established and
optional facilities are negotiated as needed by the LCP, the
originating PPP sends Network Control Protocols (NCP) packets
to select and configure one or more network layer protocols. 400 Dell PowerConnect 55xx Systems User Guide
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When each of the chosen network layer protocols has been
configured, packets from each network layer protocol can be sent
over the link. The link remains configured for communications
until explicit LCP or NCP packets close the link, or until some
external event occurs. This is the actual switch port link type. It
may differ from the administrative state.
• Disable — Disables point-to-point link.
• Auto — The device automatically establishes a point-to-point
link.
– Fast Link — Displays whether Fast Link mode is enabled for the port.
If this is enabled, the Port State is automatically placed in the
Forwarding statewhen the port is up.
– BPDU Guard — Displays whether BPDU Guard is enabled on the
port.
Miscellaneous fields:
– Policy Name — Displays the name of a policy if one is defined on the
port.
– Auto Negotiation — Displays whether auto-negotiation is enabled on
the port. Auto-Negotiation enables a port to advertise its transmission
rate, duplex mode, and Flow Control abilities to other devices.
6 Click Apply Profile to apply the profile to the specified interface.
Configuring Port Profile Using CLI Commands
The following table summarizes the CLI commands for configuring port
profiles.
Table 10-5. Port Profiles CLI Commands
CLI Command Description
macro {apply|trace} macro-name
[parameter {value}] [parameter
{value}] [parameter {value}]
Applies a macro to an interface or
traces a macro configuration on an
interface.Dell PowerConnect 55xx Systems User Guide 401
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The following is an example of the CLI commands:
Sample CLI Scripts
This section provides sample scripts of CLI commands. These particular
actions cannot be performed through the GUI, which only allows applying
built-in macros. These scripts describe how to create macros, display them
and apply them.
The following is a script that creates a global macro.
show parser macro
[{brief|description [interface
[gigabitethernet|tengigabitetherne
t] port-number|name macro-name}]
Displays the parameters for all
configured macros or for one
macro on the switch.
Switch(config) # interface gi1/0/2
Switch(config-if) # macro trace dup
Applying command… ‘duplex full’
Applying command… ‘speed auto’
Switch(config) # interface gi1/0/2
Switch(config-if) # macro apply duplex $DUPLEX full
$SPEED auto
Switch(config-if) # exit
Switch(config) # interface gi1/0/3
Switch(config-if) # macro apply dup
Switch(config-if) # exit
Table 10-6. Create a Global Macro Script
CLI Command Description
console#config
console(config)# macro name interswitch
Enter macro commands one per line. End
with the character '@'.
Create a macro called
interswitch.
Table 10-5. Port Profiles CLI Commands (Continued)
CLI Command Description402 Dell PowerConnect 55xx Systems User Guide
FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell
Contax\sources\CxUGSwitching_Ports.fm
DELL CONFIDENTIAL – PRELIMINARY 3/11/13 - FOR PROOF ONLY
The following is a script that creates an interface macro.
vlan database
vlan 40-50
@
Enter the commands in
the macro, which create
VLANs 40 through 50.
console(config)# do show parser macro
name interswitch
Display the macro.
console(config)# macro global apply
interswitch
Apply the macro.
Table 10-7. Create an Interface Macro Script
CLI Command Description
console#config
console(config)# interface range gi1/0/1-
24
Enter Interface mode
for ports 1-24 on unit 1.
console(config-if-range)# macro name
access_port
Enter macro commands one per line. End
with the character '@'.
Create a macro called
access_port.
disable spanning-tree
@
Enter the commands in
the macro, disables
spanning tree on the
interfaces.
console(config)# do show parser macro
name access_port
Display the macro.
console(config)# macro global apply
access_port
Apply the macro to
ports 1-24 on unit 1.
Table 10-6. Create a Global Macro Script (Continued)
CLI Command DescriptionDell PowerConnect 55xx Systems User Guide 403
FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell
Contax\sources\CxUGSwitching_Ports.fm
DELL CONFIDENTIAL – PRELIMINARY 3/11/13 - FOR PROOF ONLY
Port Configuration
If port configuration is modified while the port is a LAG member, the
configuration change is only effective after the port is removed from the
LAG.
To configure a port:
1 Click Switching > Ports > Port Configuration in the tree view to display
the Port Configuration: Summary page.
Figure 10-5. Port Configuration: Summary
All ports on the selected unit and their configuration settings are
displayed.
2 To modify the port settings, click Edit and select a port.
3 Enter the following fields:
– Description (1 - 64 Characters) — Enter a user identification
attached to the port.
– Port Type — Displays the type of port.
– Admin Status — Enable/disable traffic forwarding through the port.
• Up— Traffic is enabled through the port.404 Dell PowerConnect 55xx Systems User Guide
FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell
Contax\sourc