Dell PowerConnect 2816 User manual

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Dell™ PowerConnect™
28xx Systems
User Guide

Notes, Notices, and Cautions
NOTE: A NOTE indicates important information that helps you make better use of your computer.
NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.
____________________
Information in this document is subject to change without notice.
© 2008 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, Dell OpenManage, the DELL logo, Inspiron, Dell Precision, Dimension, OptiPlex, PowerConnect,
PowerApp, PowerVault, Axim, DellNet, and Latitude are trademarks of Dell Inc. Microsoft and Windows are either trademarks or registered
trademarks of Microsoft Corporation in the United States and/or other countries.
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.
December 2008 Rev. A00

Contents 3
Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
System Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PowerConnect 2808. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PowerConnect 2816. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PowerConnect 2824. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
PowerConnect 2848. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Summary of PowerConnect Models . . . . . . . . . . . . . . . . . . . . 11
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
General Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
MAC Address Supported Features . . . . . . . . . . . . . . . . . . . . . 13
Layer 2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
VLAN Supported Features . . . . . . . . . . . . . . . . . . . . . . . . . 14
Spanning Tree Protocol Features. . . . . . . . . . . . . . . . . . . . . . 15
Class of Service (CoS) Features . . . . . . . . . . . . . . . . . . . . . . 16
Ethernet Switch Management Features . . . . . . . . . . . . . . . . . . 16
2 Hardware Description . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Switch Port Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
PowerConnect 28xx Front and Back Panel Port Description. . . . . . . . 17
Physical Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
LED Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Power LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Managed Mode LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Fan LED (2824/2848 only) . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Port LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Managed Mode Button . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Switch Ventilation Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Cables, Port Connections, and Pinout Information . . . . . . . . . . . . . . . 24
1000BASE-T Cable Requirements . . . . . . . . . . . . . . . . . . . . . 24
RJ-45 Connections for 10/100/1000BASE-T Ports . . . . . . . . . . . . . 24
SFP Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

4Contents
Power Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Internal Power Supply Connector . . . . . . . . . . . . . . . . . . . . . 26
3 Installing the PowerConnect Device . . . . . . . . . . . . . . . . 27
Installation Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Site Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Package Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Unpacking the Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Mounting the Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Device Rack Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Installing on a Flat Surface . . . . . . . . . . . . . . . . . . . . . . . . . 30
Installing on a Wall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Connecting the Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Connecting the Device to the Network . . . . . . . . . . . . . . . . . . . . . 32
Connecting the Terminal to the Device . . . . . . . . . . . . . . . . . . . . . 33
Connecting a Device to a Power Supply . . . . . . . . . . . . . . . . . . 34
Port Connections, Cables, and Pinout Information . . . . . . . . . . . . . . . 35
RJ-45 Connections for 10/100/1000BaseT Ports . . . . . . . . . . . . . . 35
Port Default Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Auto-Negotiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
MDI/MDIX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Flow Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Back Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Switching Port Default Settings . . . . . . . . . . . . . . . . . . . . . . 37
4 Starting and Configuring the Device . . . . . . . . . . . . . . . . 39
Booting the Device - Managed Mode . . . . . . . . . . . . . . . . . . . . . . 40
Initial Configuration - Managed Mode . . . . . . . . . . . . . . . . . . . . . 41
Advanced Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Retrieving an IP Address From a DHCP Server . . . . . . . . . . . . . . . . . 45

Contents 5
Startup Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Startup Menu Procedures . . . . . . . . . . . . . . . . . . . . . . . . . 45
Software Download. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Erase FLASH File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Erasing the Device Configuration. . . . . . . . . . . . . . . . . . . . . . 47
Password Recovery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Software Download Through TFTP Server . . . . . . . . . . . . . . . . . 47
Management Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Default Values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Transitioning Between Modes . . . . . . . . . . . . . . . . . . . . . . . 50
Returning to Managed Mode . . . . . . . . . . . . . . . . . . . . . . . . 51
5 Using Dell OpenManage Switch Administrator . . . . . . . . . 53
Understanding the Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Device Representation . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Using the Switch Administrator Buttons . . . . . . . . . . . . . . . . . . . . 55
Information Buttons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Device Management Buttons. . . . . . . . . . . . . . . . . . . . . . . . 56
Starting the Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Access Levels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
6 Configuring System Information . . . . . . . . . . . . . . . . . . . 59
Defining General Device Information . . . . . . . . . . . . . . . . . . . . . . 59
Viewing Device Information . . . . . . . . . . . . . . . . . . . . . . . . 59
Viewing the Versions Page . . . . . . . . . . . . . . . . . . . . . . . . . 61
Resetting the Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Entering Secure Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Defining Device IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Defining IP Interface Parameters . . . . . . . . . . . . . . . . . . . . . 64
Running Cable Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Viewing Copper Cable Diagnostics . . . . . . . . . . . . . . . . . . . . . 65
Viewing Optical Transceiver Diagnostics . . . . . . . . . . . . . . . . . 67
Managing Device Security . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Defining the Local User Databases. . . . . . . . . . . . . . . . . . . . . 69

6Contents
Configuring RADIUS Global Parameters . . . . . . . . . . . . . . . . . . 71
Defining SNMP Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Defining SNMP Global Parameters. . . . . . . . . . . . . . . . . . . . . 75
Defining Communities. . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Defining SNMP Notification Recipients . . . . . . . . . . . . . . . . . . 78
Managing Files. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Downloading Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Uploading Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Restoring Default Settings . . . . . . . . . . . . . . . . . . . . . . . . . 83
Defining DHCP Server Settings . . . . . . . . . . . . . . . . . . . . . . . . . 83
Configuring DHCP Properties . . . . . . . . . . . . . . . . . . . . . . . . 84
Defining Network Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Excluding Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Manually Allocating IP Addresses (Static Hosts) . . . . . . . . . . . . . 89
Configuring Address Binding . . . . . . . . . . . . . . . . . . . . . . . . 92
Defining Advanced Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Configuring General Device Parameters . . . . . . . . . . . . . . . . . . 93
7 Configuring Device Switching. . . . . . . . . . . . . . . . . . . . . 95
Configuring Network Security. . . . . . . . . . . . . . . . . . . . . . . . . . 95
Configuring Port Based Authentication . . . . . . . . . . . . . . . . . . 96
Configuring Advanced Port Based Authentication. . . . . . . . . . . . 100
Authenticating Users . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Configuring Ports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Defining Port Parameters . . . . . . . . . . . . . . . . . . . . . . . . 103
Aggregating Ports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Configuring Green Ethernet. . . . . . . . . . . . . . . . . . . . . . . . 108
Enabling Storm Control . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Defining Port Mirroring Sessions. . . . . . . . . . . . . . . . . . . . . 112
Configuring Address Tables . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Viewing Dynamic Addresses . . . . . . . . . . . . . . . . . . . . . . . 114
Configuring the Spanning Tree Protocol . . . . . . . . . . . . . . . . . . . 116
Defining STP Global Settings . . . . . . . . . . . . . . . . . . . . . . . 116
Defining STP Port Settings . . . . . . . . . . . . . . . . . . . . . . . . 119
Defining STP LAG Settings . . . . . . . . . . . . . . . . . . . . . . . . 122

Contents 7
Configuring Rapid Spanning Tree. . . . . . . . . . . . . . . . . . . . . 124
Configuring VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Defining VLAN Members . . . . . . . . . . . . . . . . . . . . . . . . . 126
VLAN Port Membership Table . . . . . . . . . . . . . . . . . . . . . . 128
Defining VLAN Ports Settings. . . . . . . . . . . . . . . . . . . . . . . 130
Defining VLAN LAG Settings . . . . . . . . . . . . . . . . . . . . . . . 131
Aggregating Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Defining LAG Membership . . . . . . . . . . . . . . . . . . . . . . . . 134
Multicast Forwarding Support. . . . . . . . . . . . . . . . . . . . . . . . . 134
Defining Multicast Global Parameters . . . . . . . . . . . . . . . . . . 135
Adding Bridge Multicast Address Members . . . . . . . . . . . . . . . 136
Assigning Multicast Forward All Parameters . . . . . . . . . . . . . . 138
IGMP Snooping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
8 Viewing Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Viewing RMON Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Viewing RMON Statistics Group . . . . . . . . . . . . . . . . . . . . . 144
Viewing Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Viewing the CPU Utilization . . . . . . . . . . . . . . . . . . . . . . . . 146
9 Configuring Quality of Service. . . . . . . . . . . . . . . . . . . . 147
Defining CoS Global Parameters . . . . . . . . . . . . . . . . . . . . . . . 149
Defining QoS Interface Settings . . . . . . . . . . . . . . . . . . . . . . . . 150
Defining Queue Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Mapping CoS Values to Queues . . . . . . . . . . . . . . . . . . . . . . . . 153
Mapping DSCP Values to Queues . . . . . . . . . . . . . . . . . . . . . . . 154
A Managing the Device Using the CLI. . . . . . . . . . . . . . . . 157
Accessing the Device Through the CLI . . . . . . . . . . . . . . . . . . . . 157
Console Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Telnet Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

8Contents
Using the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Command Mode Overview . . . . . . . . . . . . . . . . . . . . . . . . 158
User EXEC Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Privileged EXEC Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Global Configuration Mode . . . . . . . . . . . . . . . . . . . . . . . . 159
Interface Configuration Mode . . . . . . . . . . . . . . . . . . . . . . 160
CLI Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Command: asset-tag . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Command: copy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Command: debug-mode . . . . . . . . . . . . . . . . . . . . . . . . . 162
Command: do . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Command: end . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Command: exit (configuration) . . . . . . . . . . . . . . . . . . . . . . 163
Command: exit (EXEC) . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Command: help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Command: interface ethernet. . . . . . . . . . . . . . . . . . . . . . . 165
Command: interface port-channel . . . . . . . . . . . . . . . . . . . . 165
Command: interface vlan . . . . . . . . . . . . . . . . . . . . . . . . . 166
Command: ip address . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Command: ip default-gateway . . . . . . . . . . . . . . . . . . . . . . 167
Command: login . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Command: ping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Commad: reload. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Command: show tech-support command . . . . . . . . . . . . . . . . 169
Command: snmp-server community . . . . . . . . . . . . . . . . . . . 171
Command: username . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

Dell PowerConnect 28xx Systems User Guide 9
1
Introduction
This User’s Guide contains the information needed for installing, configuring and maintaining the
PowerConnect 2808, PowerConnect 2816, PowerConnect 2824, and PowerConnect 2848 Web-
managed Gigabit Ethernet switches.
The PowerConnect 28xx switches can be used to connect workstations and other network devices,
such as:
•Servers
•Hubs
•Routers
The PowerConnect devices are primarily designated for the Small Office/Home Office (SOHO) that
require high performance edge connectivity. These PowerConnect devices are ideal for the small to
medium business that requires high performance network connectivity along with advanced web
management features. The PowerConnect management features are designed to minimize
administrative management effort, while enhancing and improving network traffic control.
System Description
This section describes the hardware configurations of the PowerConnect 28xx. The switches are
managed by Dell’s OpenManage Switch Administrator.
PowerConnect 2808
The following figure illustrates the PowerConnect 2808 front panel.
Figure 1-1. PowerConnect 2808 Front Panel
The PowerConnect 2808 supports the following ports:
• 8 Gigabit Ethernet copper ports
PowerConnect 2816
The following figure illustrates the PowerConnect 2816 front panel.
1

10 Dell PowerConnect 28xx Systems User Guide
Figure 1-2. PowerConnect 2816 Front Panel
The PowerConnect 2816 supports the following ports:
• 16 Gigabit Ethernet copper ports
PowerConnect 2824
The following figure illustrates the PowerConnect 2824 front panel.
Figure 1-3. PowerConnect 2824 Front Panel
The PowerConnect 2824 supports the following ports:
• 24 Gigabit Ethernet copper ports
• 2 SFP combo ports (1000BASE-SX or 1000BASE-LX)
PowerConnect 2848
The following figure illustrates the PowerConnect 2848 front panel.
Figure 1-4. PowerConnect 2848 Front Panel
The PowerConnect 2848 supports the following ports:
• 48 Gigabit Ethernet copper ports
• 4 SFP combo ports (1000BASE-SX or 1000BASE-LX)