3Com® Baseline Switch2924-PWRPlus

User Guide

3CBLSG24PWR

www.3Com.com

Part Number 10016095 Rev. AA Published June 2007

3Com Corporation

350 Campus Drive

Marlborough,

MA 01752-3064

Copyright © 2007, 3Com Corporation. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Corporation.

3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Corporation to provide notification of such revision or change.

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If there is any software on removable media described in this documentation, it is furnished under a license agreement included with the product as a separate document, in the hard copy documentation, or on the removable media in a directory file named LICENSE.TXT or !LICENSE.TXT. If you are unable to locate a copy, please contact 3Com and a copy will be provided to you.

UNITED STATES GOVERNMENT LEGEND

If you are a United States government agency, then this documentation and the software described herein are provided to you subject to the following:

All technical data and computer software are commercial in nature and developed solely at private expense. Software is delivered as “Commercial Computer Software” as defined in DFARS 252.227-7014(June 1995) or as a “commercial item” as defined in FAR 2.101(a) and as such is provided with only such rights as are provided in 3Com’s standard commercial license for the Software. Technical data is provided with limited rights only as provided in DFAR252.227-7015(Nov 1995) or FAR52.227-14(June 1987), whichever is applicable. You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in, or delivered to you in conjunction with, this User Guide.

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3Com and the 3Com logo are registered trademarks of 3Com Corporation.

Intel and Pentium are registered trademarks of Intel Corporation. Microsoft, MS-DOS,Windows, and Windows NT are registered trademarks of Microsoft Corporation. Novell and NetWare are registered trademarks of Novell, Inc. UNIX is a registered trademark in the United States and other countries, licensed exclusively through X/Open Company, Ltd.

IEEE and 802 are registered trademarks of the Institute of Electrical and Electronics Engineers, Inc.

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ENVIRONMENTAL STATEMENT

It is the policy of 3Com Corporation to be environmentally friendly in all operations. To uphold our policy, we are committed to:

Establishing environmental performance standards that comply with national legislation and regulations.

Conserving energy, materials and natural resources in all operations.

Reducing the waste generated by all operations. Ensuring that all waste conforms to recognized environmental standards. Maximizing the recyclable and reusable content of all products.

Ensuring that all products can be recycled, reused and disposed of safely.

Ensuring that all products are labelled according to recognized environmental standards.

Improving our environmental record on a continual basis.

End of Life Statement

3Com processes allow for the recovery, reclamation and safe disposal of all end-of-lifeelectronic components.

Regulated Materials Statement

3Com products do not contain any hazardous or ozone-depletingmaterial.

Environmental Statement about the Documentation

The documentation for this product is printed on paper that comes from sustainable, managed forests; it is fully biodegradable and recyclable, and is completely chlorine-free.The varnish is environmentally friendly, and the inks arevegetable-basedwith a lowheavy-metalcontent.

ABOUTTHISGUIDE

	This guide provides information about the Web user interface for the
	3Com® Baseline Switch 2924-PWRPlus. TheWeb interface is a network
	management system that allows you to configure, monitor, and
	troubleshoot your switch from a remote web browser. The Web interface
	web pages are easy-to-useandeasy-to-navigate.
User Guide	This section provides an overview to the User Guide. TheUser Guide
Overview	provides the following sections:
	■ Getting Started — Provides introductory information about the
	Switch 2924-PWRand how it can be used in your network. It covers
	summaries of hardware and software features.
	■ Using the 3Com Web Interface — Provides information for using
	the Web interface including adding, editing, and deleting device
	configuration information.
	■ Viewing Basic Settings — provides information for viewing and
	configuring essential information required for setting up and
	maintaining device settings.
	■ Managing Device Security — Provides information for configuring
	both system and network security, including traffic control, ACLs, and
	device access methods.
	■ Managing System Information — Provides information for
	configuring general system information including the user-defined
	system name, the user-definedsystem location, and the system
	contact person.
	■ Configuring Ports — Provides information for configuring port
	settings.
	■ Aggregating Ports — Provides information for configuring Link
	Aggregation which optimizes port usage by linking a group of ports
	together to form a single LAG.

4 ABOUTTHISGUIDE

■Configuring VLANs — Provides information for configuring VLANs. VLANs are logical subgroups with a Local Area Network (LAN) which combine user stations and network devices into a single virtual LAN segment, regardless of the physical LAN segment to which they are attached.

■Configuring IP and MAC Address Information — Provides information for configuring IP addresses, DHCP and ARP.

■Configuring IGMP Snooping — Provides information for configuring IGMP Snooping.

■Configuring Spanning Tree — Provides information for configuring Classic and Rapid Spanning Tree.

■Configuring SNMP — Provides information for configuring the

Simple Network Management Protocol (SNMP) which provides a method for managing network devices.

■Configuring Quality of Service — Provides information defining Quality of Service, including DSCP and CoS mapping, policies, and configuring Trust mode.

■Managing System Files — Provides information for defining file maintenance.

■Managing Power over Ethernet Devices — Provides information for configuring ports for PoE.

■Managing System Logs — Provides information for viewing system logs, and configuring device log servers.

■Viewing Statistics — Provides information for viewing RMON and interface statistics.

■Managing Device Diagnostics — Provides information for managing device diagnostics.

Intended Audience

5

Intended Audience This guide is intended for network administrators familiar with IT concepts and terminology.

If release notes are shipped with your product and the information there differs from the information in this guide, follow the instructions in the release notes.

Most user guides and release notes are available in Adobe Acrobat

Reader Portable Document Format (PDF) or HTML on the 3Com Web site:

■ http://www.3Com.com

Conventions	Table 1 lists conventions that are used throughout this guide.
	Table 1	Notice Icons
	Icon	Notice Type	Description
		Information	Information that describes important features or
		note	instructions.
		Caution	Information that alerts you to potential loss of data
			or potential damage to an application, system, or
			device.
		Warning	Information that alerts you to potential personal
			injury.

Related	In addition to this guide, other documentation available for the 3Com®
Documentation	Baseline Switch 2924-PWRPlus include the following:
	■ Safety and Support Information: Provides installation,set-up,and
	regulatory compliance information.

CONTENTS

ABOUT THIS GUIDE
User Guide Overview .................................................................................	3
Intended Audience.....................................................................................	5
Conventions ..............................................................................................	5
Related Documentation .............................................................................	5
1 GETTINGSTARTED
About the Switch 2924-PWR ...................................................................	14
Summary of Hardware Features .....................................................	14
Front Panel Detail.....................................................................................	15
LED Status Indicators................................................................................	16
System Specifications ...............................................................................	17
Installing the Switch.................................................................................	18
Setting Up for Management ....................................................................	19
Methods of Managing a Switch ...............................................................	19
Web Interface Management ..........................................................	19
SNMP Management .......................................................................	20
Switch Setup Overview ............................................................................	20
IP Configuration ............................................................................	22
Using the Command Line Interface (CLI) ..................................................	23
Connecting to the Console Port .....................................................	23
Manually set the IP Address using the Console Port .......................	24
Viewing IP Information using the Console Port ...............................	25
Setting Up Web Interface Management ...................................................	27
Web Management Over the Network ............................................	28
Setting Up SNMP Management V1 or V2 .................................................	28
Default Users and Passwords....................................................................	29
Upgrading Software using the CLI............................................................	29

2 USING THE3COMWEBINTERFACE
	Starting the 3Com Web Interface .............................................................	31
	Multi-Session Web Connections .....................................................	31
	Accessing the 3Com Web Interface ................................................	32
	Understanding the 3Com Web Interface...................................................	33
	Device Representation ....................................................................	35
	Using the 3Com Web Interface Management Buttons ....................	35
	Using Screen and Table Options................................................................	36
	Saving the Configuration..........................................................................	40
	Resetting the Device.................................................................................	41
	Restoring Factory Defaults ........................................................................	43
	Logging Off the Device.............................................................................	44
3	VIEWINGBASICSETTINGS
	Viewing Device Settings .................................................................	46
	Viewing Color Keys ........................................................................	48
4	MANAGINGDEVICESECURITY
	Configuring System Access.......................................................................	50
	Viewing System Access Settings .....................................................	51
	Defining System Access ..................................................................	52
	Modifying System Access ...............................................................	53
	Removing System Access ................................................................	54
	Defining RADIUS Clients...........................................................................	55
	Defining Port-Based Authentication (802.1X)............................................	57
	Viewing 802.1X Authentication .....................................................	58
	Defining 802.1X Authentication .....................................................	60
	Defining Access Control Lists....................................................................	62
	Viewing MAC Based ACLs ..............................................................	63
	Configuring MAC Based ACLs ........................................................	64
	Modifying MAC Based ACLs ..........................................................	67
	Removing MAC Based ACLs ...........................................................	69
	Viewing IP Based ACLs ...................................................................	71
	Defining IP Based ACLs ..................................................................	72
	Modifying IP Based ACLs ................................................................	77
	Removing IP Based ACLs ................................................................	80

	Viewing ACL Binding .....................................................................	83
	Configuring ACL Binding ...............................................................	84
	Removing ACL Binding ..................................................................	85
	Enabling Broadcast Storm ........................................................................	86
5	MANAGINGSYSTEMINFORMATION
	Viewing System Description ...........................................................	89
	Defining System Settings ...............................................................	91
	Configuring System Name .............................................................	92
	Configuring System Time ...............................................................	93
	Saving the Device Configuration ....................................................	96
	Resetting the Device ......................................................................	97
6	CONFIGURINGPORTS
	Viewing Port Settings .....................................................................	99
	Defining Port Settings ..................................................................	102
	Viewing Port Details .....................................................................	104
7	AGGREGATINGPORTS
	Viewing Link Aggregation ............................................................	107
	Configuring Link Aggregation ......................................................	107
	Modifying Link Aggregation ........................................................	110
	Removing Link Aggregation .........................................................	112
	Viewing LACP ..............................................................................	113
	Modifying LACP ...........................................................................	114
8	CONFIGURINGVLANS
	Viewing VLAN Details ..................................................................	117
	Viewing VLAN Port Details ...........................................................	118
	Creating VLANs ...........................................................................	119
	Modifying VLAN Settings .............................................................	121
	Modifying Port VLAN Settings ......................................................	123
	Removing VLANs .........................................................................	124

9 CONFIGURINGIP ANDMAC ADDRESSINFORMATION
	Defining IP Addressing .................................................................	126
	Configuring ARP Settings .......................................................................	127
	Viewing ARP Settings ...................................................................	128
	Defining ARP Settings ..................................................................	129
	Removing ARP Entries ..................................................................	130
	Configuring Address Tables ....................................................................	132
	Viewing Address Table Settings ....................................................	133
	Viewing Port Summary Settings ....................................................	134
	Adding MAC Addresses to the Address Table ...............................	136
	Defining Aging Time ....................................................................	138
	Removing Address Table Ports ......................................................	139
	Removing MAC Addresses from the Address Table .......................	141
10 CONFIGURINGIGMP SNOOPING
	Defining IGMP Snooping ..............................................................	144
11	CONFIGURINGSPANNINGTREE
	Viewing Spanning Tree .................................................................	147
	Defining Spanning Tree ................................................................	150
	Modifying Spanning Tree ..............................................................	153
12	CONFIGURINGSNMP
	Defining SNMP Communities .......................................................	156
	Removing SNMP Communities .....................................................	158
	Defining SNMP Traps ....................................................................	159
	Removing SNMP Traps ..................................................................	160
13 CONFIGURINGQUALITY OFSERVICE
	Viewing CoS Settings ...................................................................	163
	Defining CoS ................................................................................	164
	Viewing CoS to Queue .................................................................	165
	Defining CoS to Queue ................................................................	165
	Viewing DSCP to Queue ...............................................................	167
	Configuring DSCP Queue .............................................................	168

	Configuring Trust Settings ...........................................................	169
	Viewing Bandwidth Settings ........................................................	170
	Defining Bandwidth Settings ........................................................	172
	Defining Voice VLAN..............................................................................	174
	Viewing Voice VLANs ...................................................................	175
	Defining Voice VLAN ....................................................................	176
	Defining Voice VLAN Port Settings ...............................................	177
	Viewing Voice VLAN Port Definitions ............................................	179
	Viewing the OUI Summaries ........................................................	180
	Modifying OUI Definitions ............................................................	182
14	MANAGINGSYSTEMFILES
	Backing Up System Files ...............................................................	186
	Restoring Files ..............................................................................	187
	Restore the Software Image .........................................................	188
	Activating Image Files ..................................................................	189
15 MANAGINGPOWER OVERETHERNETDEVICES
	Viewing PoE Settings ...................................................................	191
	Defining PoE Settings ...................................................................	193
16	MANAGINGSYSTEMLOGS
	Viewing Logs ...............................................................................	196
	Configuring Logging ....................................................................	197
17	VIEWINGSTATISTICS
	Viewing Port Statistics ..................................................................	201
18	MANAGINGDEVICEDIAGNOSTICS
	Configuring Port Mirroring.....................................................................	205
	Defining Port Mirroring ................................................................	206
	Removing Port Mirroring ..............................................................	208
	Viewing Cable Diagnostics.....................................................................	209
	Configuring Cable Diagnostics .....................................................	210