3COM 2226-SFP User Manual
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Baseline Switch 2226-SFPPlus

Baseline Switch 2426-PWRPlus

Baseline Switch 2250-SFPPlus

Installation and User Guide

Installationsund Bedienungsanleitung

3CBLSF26

3CBLSF26PWR

3CBLSF50

www.3Com.com

Part No. 10016622

Published May 2008

3Com Corporation 350 Campus DriveMarlboroughMA01752-3064

Copyright © 2008, 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.

3Com Corporation provides this documentation without warranty, term, or condition of any kind, either implied or expressed, including, but not limited to, the implied warranties, terms or conditions of merchantability, satisfactory quality, and fitness for a particular purpose. 3Com may make improvements or changes in the product(s) and/or the program(s) described in this documentation at any time.

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.

Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not be registered in other countries.

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.

All other company and product names may be trademarks of the respective companies with which they are associated.

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.

CONTENTS

 

ABOUT THIS GUIDE

 

 

Conventions 7

 

 

Documentation Comments

8

 

Product Registration 8

 

1

 

INTRODUCING THE BASELINE SWITCH

 

Overview of the Baseline Switch 9

 

Features and Capabilities

9

 

Autosensing of MDI/MDIX Connections

9

 

Autonegotiating 10/100 Mbps Ports

9

 

Power-over-Ethernet Capability

10

 

 

Gigabit Combo Ports (RJ-45/SFP)

10

 

 

Physical Features

10

 

 

 

Front Panel

11

 

 

 

Rear Panel 15

 

 

 

Package Contents

16

 

 

2

 

 

 

INSTALLING THE SWITCH

 

 

 

Important Safety Information 17

 

 

 

Positioning the Switch 18

 

 

Rack-Mounting or Free-Standing

19

Using the Mounting Kit 19

 

Montagesatz Anweisungen

20

Placing Units On Top of Each Other 20

 

Supplying Power to the Switch

20

 

 

Checking for Correct Operation 21

 

 

Using SFP Tranceivers

22

 

 

 

Approved SFP Transceivers

22

 

 

Inserting an SFP Transceiver

22

 

 

Removing an SFP Transceiver

23

 

 

Performing Spot Checks

23

 

 

3

 

 

CONNECTING TO THE WEB INTERFACE

 

 

Requirements for Accessing the Web Interface

25

 

Using the Console Command Line Interface (CLI)

25

 

Logging On to the Web Interface

27

 

 

Navigating the Web Interface 28

 

 

Menu

28

 

 

 

 

 

Buttons

31

 

 

 

 

 

Port Status

31

 

 

 

 

Accessing the Switch using the 3Com Switch Detect

 

Application

31

 

 

 

 

Running the 3Com Switch Detect Application

32

4 CONFIGURING THE SWITCH FROM THE WEB INTERFACE

Configuration Overview

35

Device Summary Information 35

Administration Settings

37

Modifying the IP Address Settings 37

Automatic IP Configuration

37

IP Setup

38

 

 

 

 

Backup Configuration

38

 

Restore Configuration

39

 

Firmware Upgrade

39

 

 

Reset

40

 

 

 

 

System Access

40

 

 

 

System Name

43

 

 

 

System Time 43

 

 

 

SNMP

43

 

 

 

 

Configuring VLANs

44

 

 

VLAN

45

 

 

 

 

Forwarding Tagged/Untagged Frames 49

Sample VLAN Configurations

49

Spanning Tree

51

 

 

 

IGMP Snooping & Query

54

Broadcast Storm

55

 

 

QoS VoIP Traffic Settings

56

PoE (3CBLSF26-PWR only)

59

Configuring Port Settings

60

 

Administration

60

 

 

Link Aggregation

63

 

 

Statistics

66

 

 

 

 

Security 66

 

 

 

 

RADIUS Client

66

 

 

 

802.1X Settings

67

 

 

Monitoring

69

 

 

 

 

Address Table

69

 

 

 

Port Mirroring

70

 

 

 

Cable Diagnostics

72

 

 

5

TROUBLESHOOTING

 

 

 

 

 

Resetting to Factory Defaults

75

 

Forgotten Static IP Address

76

 

 

Solving LED Issues

76

 

 

 

 

If the Problem Persists

77

 

 

A

 

OBTAINING SUPPORT FOR YOUR PRODUCT

 

Register Your Product

79

 

 

 

Purchase Value-Added Services

79

 

Troubleshoot Online

79

 

 

 

Access Software Downloads

79

 

 

Telephone Technical Support and Repair 80

 

Contact Us

80

 

 

 

 

B

 

 

 

TECHNICAL INFORMATION

 

 

 

3CBLSF26 Related Standards

83

 

Environmental

83

 

 

 

 

Physical

83

 

 

 

 

 

Electrical

83

 

 

 

 

 

3CBLSF26PWR Related Standards

84

 

Environmental

84

 

 

 

 

Physical

84

 

 

 

 

 

Electrical

84

 

 

 

 

 

3CBLSF50 Related Standards

85

 

Environmental

85

 

 

 

 

Physical

85

 

 

 

 

 

Electrical

85

 

 

 

 

C

 

 

 

 

 

 

PIN-OUTS

 

 

 

 

 

Console Cable 87

Null Modem Cable 88

 

PC-AT Serial Cable

88

 

 

Modem Cable

88

 

 

Ethernet Port RJ-45 Pin Assignments 89

D

 

3COM CLI REFERENCE GUIDE

 

Getting Started with the Command Line Interface 91

 

Console Port

91

 

 

Logging on to the CLI

91

 

Automatic Logout 92

 

 

Concurrent CLI Sessions

92

 

CLI Commands

92

 

 

?

93

 

 

 

 

Ping

94

 

 

 

 

Summary

94

 

 

ipSetup

95

 

 

 

Upgrade

96

 

 

 

Initialize

97

 

 

 

Reboot

97

 

 

 

Logout

98

 

 

 

Password

98

 

REGULATORY NOTICES

GLOSSARY

INDEX

ABOUTTHISGUIDE

This guide describes how to install your 3Com Switch and perform initial management configurations. It covers the following switches:

Baseline Switch 2226-SFPPlus (3CBLSF26)

Baseline Switch 2426-PWRPlus (3CBLSF26PWR)

Baseline Switch 2250-SFPPlus (3CBLSF50)

Unless noted otherwise, the features, specifications and procedures described hereafter are shared by all the switch models covered in this guide. Device drawings, screen captures and command line interface examples are based on the 3CBLSF26PWR model. Where features vary significantly between the switches, examples are provided for each.

This guide is intended for use by those responsible for installing and setting up network equipment; consequently, it assumes a basic working knowledge of LANs (Local Area Networks).

Diese Anleitung ist für die Benutzung durch Netzwerkadministratoren vorgesehen, die für die Installation und Einstellung von Netzwerkkomponenten verantwortlich sind; Erfahrung bei der Arbeit mit LANs

(Local Area Networks) ist vorausgesetzt.

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 World Wide Web site:

www.3Com.com

Conventions

Table 1 andTable 2 list conventions that are used throughout this guide.

Table 1 Notice Icons

Icon

Notice Type

Description

 

 

 

 

Information note

Information that describes

 

 

important features or 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

 

 

 

8

ABOUTTHISGUIDE

 

 

Table 2 Text Conventions

 

 

Convention

Description

 

 

The words “enter”

When you see the word “enter” in this

and “type”

guide, you must type something, and then

 

 

press Return or Enter. Do not press Return

 

 

or Enter when an instruction simply says

 

 

“type.”

 

 

Keyboard key names

If you must press two or more keys

 

 

simultaneously, the key names are linked

 

 

with a plus sign (+). Example:

 

 

 

Press Ctrl+Alt+Del

 

 

Words in italics

Italics are used to:

 

 

Emphasize a point.

 

 

Denote a new term at the place where it

 

 

 

is defined in the text.

 

 

Identify menu names, menu commands,

and software button names. Examples: From the Help menu, selectContents. ClickOK.

Documentation Comments

Your suggestions are very important to us. They will help make our documentation more useful to you.

Please e-mailcomments about this document to 3Com at:

pddtechpubs_comments@3Com.com

Please include the following information when contacting us:

Document title

Document part number (on the title page)

Page number (if appropriate)

Example:

Baseline Switch 2426-PWRPlus User Guide

Part number: 10016622

Page 25

Please note that we can only respond to comments and questions about 3Com product documentation at this e-mailaddress. Questions related to technical support or sales should be directed in the first instance to your network supplier.

Product Registration

You can now register your Baseline Switch on the 3Com

Web site to receive up-to-dateinformation on your product:

http://esupport.3Com.com