3COM 3C16491 User Manual
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Baseline Switch

2426 PWR Plus

User Guide

Installationsanleitung

3C16491

www.3com.com

Part No. 10015243 Rev. AA

Published August 2006

3Com Corporation • 350 Campus Drive • Marlborough • MA USA 01752-3064

Copyright © 2006, 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, 3Com Express, 3Com Guardian and the 3Com logo are registered trademarks of 3Com Corporation.

IEEE and 802 are registered trademarks of the Institute of Electrical and Electronics Engineers, Inc. Intel is a registered trademark of Intel Corporation. Windows, and Windows NT are registered trademarks of Microsoft Corporation. Xerox is a registered trademark of Xerox Corporation. UNIX is a registered trademark in the United States and other countries, licensed exclusively through X/Open Company, Ltd.

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-friendlyin 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 isenvironmentally-friendly,and the inks arevegetable-basedwith a lowheavy-metalcontent.

CONTENTS

 

 

 

 

Supplying Power to the Switch

18

 

ABOUTTHISGUIDE

 

 

 

 

 

Checking for Correct Operation 18

 

Conventions 7

 

 

 

 

 

Using SFP Tranceivers

19

 

 

Documentation Comments

8

 

Approved SFP Transceivers

19

 

Product Registration 8

 

 

Inserting an SFP Transceiver

19

 

 

 

 

Removing an SFP Transceiver

20

1

INTRODUCING THEBASELINESWITCH

 

Performing Spot Checks

21

 

 

Overview of the Baseline Switch 9

3

 

 

 

 

CONNECTING TO THEWEBINTERFACE

 

Features and Capabilities

9

 

Autosensing of MDI/MDIX Connections 9

 

Requirements for Accessing the Web Interface

23

 

Autonegotiating 10/100 Mbps Ports

9

 

Running the Discovery Application

23

 

 

Power-over-EthernetCapability

10

 

 

Logging On to the Web Interface

25

 

 

Gigabit Combo Ports (RJ-45/SFP)

10

 

 

Navigating the Web Interface

26

 

 

 

Physical Features

10

 

 

 

 

Menu

26

 

 

 

 

 

Front Panel

10

 

 

 

 

Buttons

29

 

 

 

 

 

Rear Panel 13

 

 

 

 

Port Status 29

 

 

 

 

 

Package Contents

14

 

 

 

 

Accessing the Interface Without Using Discovery

30

 

 

 

 

 

 

 

DHCP Assigned IP Address

30

 

 

2

INSTALLING THE SWITCH

 

 

 

 

Manually Assigned (Static) IP Address 30

 

 

Before You Begin

15

 

 

 

4

 

 

 

 

 

 

 

 

 

 

CONFIGURING THE SWITCH

 

 

 

 

Positioning the Switch 15

 

 

 

 

 

 

 

Rack-Mounting or Free-Standing

16

 

 

Configuration Overview

31

 

 

 

 

Using the Mounting Kit 16

 

 

 

 

Device Summary Information

31

 

 

 

Montagesatz Anweisungen

17

 

 

 

Administration Settings

33

 

 

 

 

Placing Units On Top of Each Other

17

 

Modifying the IP Address Settings 33

 

Automatic IP Configuration

33

IP Setup

34

 

 

 

 

 

Backup Configuration

35

 

Restore Configuration

35

 

Firmware Upgrade

36

 

Initialize

37

 

 

 

 

 

Reboot

37

 

 

 

 

 

System Access

 

38

 

 

 

System Time

40

 

 

 

SNMP

 

40

 

 

 

 

 

Configuring VLANs

 

42

 

 

VLAN

 

43

 

 

 

 

 

Forwarding Tagged/Untagged Frames 47

Sample VLAN Configurations

47

Spanning Tree

 

49

 

 

 

IGMP Snooping

51

 

 

IGMP Query

51

 

 

 

Broadcast Storm

51

 

 

PoE

52

 

 

 

 

 

Configuring Port Settings

53

 

Administration

 

53

 

 

Speed/Duplex for 1000 Mbps Connections 55

Link Aggregation

56

 

 

Spanning Tree per Port

59

 

Port Mirroring

 

61

 

 

 

Statistics

62

 

 

 

 

 

QoS VoIP Traffic Settings

 

63

 

Security

66

 

 

 

 

 

RADIUS Client

 

66

 

 

 

802.1X Settings

68

 

 

Monitoring

70

 

 

 

 

 

Address Table

 

70

 

 

 

Cable Diagnostics

71

 

 

5

TROUBLESHOOTING

 

 

 

 

Resetting to Factory Defaults

73

 

Forgotten Password

74

 

 

Forgotten Static IP Address

74

 

Solving LED Issues

74

 

 

 

If the Problem Persists

76

 

A

 

OBTAININGSUPPORT FORYOURPRODUCT

 

Register Your Product

77

 

 

Purchase Value-AddedServices 77

 

Troubleshoot Online

77

 

 

Access Software Downloads

77

 

Telephone Technical Support and Repair 78

 

Contact Us

78

 

 

 

B

 

 

TECHNICALINFORMATION

 

 

Related Standards

81

 

 

 

Environmental

81

 

 

 

Physical

81

 

 

 

 

Electrical

81

 

 

 

C

 

 

 

SAFETYINFORMATION

 

 

 

Important Safety Information

83

REGULATORYNOTICES

GLOSSARY

INDEX