3com 16985ua.bk User manual

Brand: 3com

Model: 16985ua.bk

Category: Network switches

Type: User manual

This manual is also suitable for

SuperStack 3 3300 SM

http://www.3com.com/

Part No. DUA1698-8AAA02

Published August 2000

SuperStack

Switch 3300 MM

User Guide

3C16988A

16985ua.bk Page 1 Thursday, September 7, 2000 9:15 AM

3Com Corporation

5400 Bayfront Plaza

Santa Clara, California

95052-8145

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 Technologies.

3Com Technologies reserves the right to revise this documentation and to make changes in content from time

to time without obligation on the part of 3Com Technologies to provide notification of such revision or

change.

3Com Technologies 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 DFAR 252.227-7015 (Nov 1995) or FAR 52.227-14 (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,Net Age, SmartAgent, SuperStack and Transcend are registered trademarks of 3Com Corporation. The

3Com logo, CoreBuilder and PACE are trademarks of 3Com Corporation.

Novell and NetWare are registered trademarks of Novell Incorporated.

Adobe and Acrobat are registered trademarks of Adobe Systems Incorporated.

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

associated.

Environmental Statement

It is a 3Com policy to be environmentally friendly in all operations. This manual is printed on paper that comes

from sustainable, managed European forests. The production process for making the pulp has a reduced AOX

level (adsorbable organic halogen) resulting in elemental chlorine-free paper.

The paper is fully biodegradable and recyclable.

16985ua.bk Page 2 Thursday, September 7, 2000 9:15 AM

ONTENTS

BOUT

HIS

UIDE

Conventions 8

Related Documentation 9

Year 2000 Compliance 10

Documentation Comments 10

Product Registration 10

NTRODUCING

THE

WITCH

3300 MM

About the SuperStack 3 Switch 3300 MM 12

Summary of Features 12

Switch 3300 MM — Front View Detail 13

10BASE-T/

100BASE-TX Ports 13

LEDs 13

Switch 3300 MM — Rear View Detail 15

Unit Information Label 15

Power Socket 15

Redundant Power System Socket 15

Console Port 16

Matrix Ports 16

Network Configuration Examples 17

Switch 3300 MM as a Segmentation Switch 17

Switch 3300 MM as a Collapsed Backbone Switch 18

Switch 3300 MM as a Desktop Switch 19

Configuration Rules for Fast Ethernet 20

Configuration Rules with Full Duplex 21

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NSTALLING

THE

WITCH

Choosing a Suitable Site 24

Rack-mounting 24

Placing Units On Top of Each Other 25

Stacking Units 26

Stacking Two Units 26

Stacking Up To Four Units 27

The Power-up Sequence 29

Connecting a Redundant Power System 29

Powering-up the Switch 3300 MM 29

Checking for Correct Operation 29

Choosing the Correct Cables 30

Solving Problems Indicated by LEDs 31

Managing the Switch 32

AFETY

NFORMATION

Important Safety Information 34

L’information de Sécurité Importante 36

Wichtige Sicherheitsinformationen 38

OUTS

Null Modem Cable 39

PC-AT Serial Cable 39

Modem Cable 40

RJ45 Pin Assignments 40

ECHNICAL

PECIFICATIONS

ECHNICAL

UPPORT

Online Technical Services 45

World Wide Web Site 45

3Com Knowledgebase Web Services 45

3Com FTP Site 46

Support from Your Network Supplier 46

Support from 3Com 46

Returning Products for Repair 48

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LOSSARY

NDEX

ORPORATION

IMITED

ARRANTY

EGULATORY

OTICES

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BOUT

HIS

UIDE

This guide provides all the information you need to install and use a

SuperStack

3 Switch 3300 MM (3C16988A) unit with default settings. If

you want to change the way the Switch works using management

software, refer to the “SuperStack Switch Management Guide”.

The guide is intended for use by network administrators who are

responsible for installing and setting up network equipment;

consequently, it assumes a basic working knowledge of LANs (Local Area

Networks).

If the information in the release notes that are shipped with your product

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:

http://www.3com.com/

This guide makes reference to the SuperStack 3 Switch 3300 MM. This

Switch has three fixed Matrix Ports on its rear panel and can be used to

stack any 1100/3300 family Switch. Note that any 1100/3300 family

Switch fitted with a Matrix Module can also be used to stack Switches.

All the Switches mentioned in this guide are compatible with the

Switches found within the SuperStack 1100/3300 family range.

16985ua.bk Page 7 Thursday, September 7, 2000 9:15 AM

8 A

BOUT

HIS

UIDE

Conventions

Table 1 and Table 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

Table 2

Text Conventions

Convention Description

Screen displays

This typeface represents information as it appears on the

screen.

Syntax

The word “syntax” means that you must evaluate the syntax

provided and then supply the appropriate values for the

placeholders that appear in angle brackets. Example:

To change your password, use the following syntax:

system password <password>

In this example, you must supply a password for

<password>.

Commands

The word “command” means that you must enter the

command exactly as shown and then press Return or Enter.

Commands appear in bold. Example:

To display port information, enter the following

command:

bridge port detail

The words “enter”

and “type”

When you see the word “enter” in this 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

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Related Documentation 9

Documentation

In addition to this guide, each Switch 3300 MM document set includes

the following:

■

Management Guide

This guide contains all the management information for the Switch.

■

Quick Reference Guide

This guide contains a quick summary of the hardware and software

information for the Switch.

■

Quick Installation Guide

This guide contains a summary of the package contents, and a quick

summary of the installation information for the Switch.

■

Release Notes

These notes provide information about the current software release,

including new features, modifications, and known problems.

■

SuperStack Switch Help

This help provides information about the web interface software of

the Switch. It is supplied on the SuperStack Switch CD-ROM.

■

SuperStack Switch README File

This file provides information about the current software release,

including new features, modifications, and known problems. It is

supplied on the SuperStack Switch CD-ROM.

In addition, there are other publications you may find useful:

■

Documentation accompanying the Advanced Redundant Power

System.

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, select

Contents

Click

Table 2

Text Conventions (continued)

Convention Description

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10 A

BOUT

HIS

UIDE

Year 2000

Compliance

For information on Year 2000 compliance and 3Com products, visit the

3Com Year 2000 Web page:

http://www.3com.com/products/yr2000.html

Documentation

Comments

Your suggestions are very important to us. They will help make our

documentation more useful to you. Please e-mail comments about this

document to 3Com at:

pddtechpubs_comments@3com.com

Please include the following information when commenting:

■

Document title

■

Document part number (on the title page)

■

Page number (if appropriate)

Example:

■

SuperStack 3 Switch 3300 MM User Guide

■

Part Number DUA1698-8AAA02

■

Page 21

Product

Registration

You can now register your SuperStack Switch on the 3Com web site to

receive up-to-date information on your product:

http://support.3com.com/warrantyregistration/register.pl

16985ua.bk Page 10 Thursday, September 7, 2000 9:15 AM

NTRODUCING

THE

WITCH

3300 MM

This chapter contains introductory information about the Switch and how

it can be used in your network. It covers the following topics:

■

About the SuperStack 3 Switch 3300 MM

■

Switch 3300 MM — Front View Detail

■

Switch 3300 MM — Rear View Detail

■

Network Configuration Examples

■

Configuration Rules for Fast Ethernet

■

Configuration Rules with Full Duplex

16985ua.bk Page 11 Thursday, September 7, 2000 9:15 AM

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NTRODUCING

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WITCH

3300 MM

About the

SuperStack 3

Switch 3300 MM

The SuperStack

3 Switch 3300 MM connects:

■

your existing 10Mbps devices.

■

high-performance workgroups with a 100Mbps backbone or server

connection.

■

users to dedicated 100Mbps ports in one switch.

In addition, as part of the 3Com

SuperStack range of products, you can

combine it with any SuperStack II or SuperStack 3 system as your network

grows.

Summary of Features

The Switch has the following hardware features:

■

24 Fast Ethernet auto-negotiating 10BASE-T/100BASE-TX ports

■

Three Matrix Ports to stack the Switch with up to three other units

from the Switch 1100/3300 family using three Matrix Cables.

■

SuperStack architecture

■

Connects to Redundant Power System/Advanced Redundant

Power System

■

19-inch rack or stand-alone mounting

For information about the software features of the Switch, refer to the

“SuperStack Switch Management Guide”.

16985ua.bk Page 12 Thursday, September 7, 2000 9:15 AM

Switch 3300 MM — Front View Detail 13

Switch 3300 MM —

Front View Detail

Figure 1

Switch 3300 MM — front view

10BASE-T/

100BASE-TX Ports

The Switch has 24 auto-negotiating 10BASE-T/100BASE-TX ports

configured as MDIX (cross-over). These ports can be set to 10BASE-T half

duplex, 10BASE-T full duplex, 100BASE-TX half duplex, 100BASE-TX full

duplex, or they can automatically detect the speed and duplex mode of a

link and provide the appropriate connection. The maximum segment

length is 100m (328ft) over Category 5 twisted pair cable.

As these ports are configured as MDIX (cross-over), you need to use a

cross-over cable to connect to devices whose ports are MDIX-only. See

“Choosing the Correct Cables”

page 30

for more information.

LEDs

Table 3

(overleaf) lists the LEDs visible on the front of the Switch, and

their states according to color. For information on using the LEDs for

problem solving, see “Solving Problems Indicated by LEDs”

on page 31.

16985ua.bk Page 13 Thursday, September 7, 2000 9:15 AM

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NTRODUCING

THE

WITCH

3300 MM

Table 3

LED behavior

LED Color Indicates

Port Status LEDs

Packet Yellow Packets are being transmitted/received on the port.

Off No packets are being transmitted/received on the

port.

Status Green A link is present, and the port is enabled.

Green flashing A link is present, but the port is disabled.

Off No link is present.

Unit LEDs

1–8 Green The Switch forms a stack with other Switch units;

the LED indicates the position of the Switch in the

stack and that a link is present. Note that although

there are eight LEDs, only four Switch units can be

stacked at present.

Off The Switch is stand-alone.

Power/Self Test LED

Green The Switch is powered-up.

Green flashing The Switch is either downloading software or is

initializing (which includes running a Power On Self

Test).

Yellow The Switch has failed its Power On Self Test.

Off The Switch is not receiving power.

16985ua.bk Page 14 Thursday, September 7, 2000 9:15 AM

Switch 3300 MM — Rear View Detail 15

Switch 3300 MM —

Rear View Detail

Figure 2

Switch 3300 MM — rear view

Unit Information

Label

This label shows the following:

■

The 3Com product name of the Switch

■

The 3Com 3C number of the Switch

■

The unique MAC address (Ethernet address) of the Switch

■

The serial number of the Switch

You may need this information for fault reporting purposes.

Power Socket

The Switch automatically adjusts its power setting to any supply voltage

in the range 90–240V A.C.

Redundant Power

System Socket

To protect against internal power supply failure, you can use this socket

to connect a SuperStack Advanced Redundant Power System (ARPS) to

the Switch. See “Connecting a Redundant Power System”

on page 29.

Unit 3

Console

(max) 19200,8,1,N

Switch 3300 MM 24 Port

MAC Addr: XXXXXXXXXX

3C16988

Serial XXXXXXXXXXXX

Power Socket

Unit Information Label

Redundant Power System Socket

Console Port

Matrix Ports

Unit 2 Unit 4

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THE

WITCH

3300 MM

Console Port

The console port allows you to connect a terminal and perform remote or

local out-of-band management. The console port uses standard null

modem cable and is set to auto-baud, 8 data bits, no parity and 1 stop

bit.

Matrix Ports

The Matrix ports allow you to stack the Switch with up to three other

units from the Switch 1100/3300 family using three Matrix Cables.

For more information about the role of the Matrix ports, see “Stacking

Units” on page 26.

16985ua.bk Page 16 Thursday, September 7, 2000 9:15 AM

Network Configuration Examples 17

Network

Configuration

Examples

The following illustrations show some examples of how the Switch can be

used in your network.

Switch 3300 MM as a

Segmentation Switch

The example in Figure 3

shows how a Switch 3300 MM stack can

segment a network of shared 10Mbps and 100Mbps connections. There

is a 10/100 shared segment on each floor, and these segments are

connected to the Switch which is positioned in the basement.

Figure 3

Using the Switch to segment your network

Dual SpeedHub 500

Endstations on shared10Mbps

and 100Mbps connections

Endstations on shared10Mbps

and 100Mbps connections

Endstations and servers onswitched

10Mbps and 100Mbps connections

Local serveronashared

100Mbps connection

Local serveronashared

100Mbps connection

100Mbps

Switch 1100/3300

Switch 3300MM

16985ua.bk Page 17 Thursday, September 7, 2000 9:15 AM

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THE

WITCH

3300 MM

Switch 3300 MM as a

Collapsed Backbone

Switch

The example in Figure 4

shows how a Switch 3300 MM stack can act as a

backbone for both shared and switched network segments.

Figure 4

Using the Switch as a collapsed backbone

Switch 1100/3300

Endstations on

switched 10Mbps

connections

Endstations on switched

10Mbps connections

Servers ondedicated

100Mbps connections

Switch 1100

Dual SpeedHub 500

Endstations on

switched 10Mbps

connections

Endstations on

shared 10Mbps

and 100Mbps

connections

Endstations on

shared 10Mbps

and 100Mbps

connections

100Mbps

Switch 3300 MM

16985ua.bk Page 18 Thursday, September 7, 2000 9:15 AM

Network Configuration Examples 19

Switch 3300 MM as a

Desktop Switch

The example in Figure 5

shows how a Switch 3300 MM can be used,

within a stack, for a group of users that require dedicated 10Mbps or

100Mbps connections to the desktop. The Switch 3300 SM provides a

Gigabit Ethernet connection to a SuperStack II Switch 9300 in the

basement whilst the Switch 3300 TM provides a Gigabit Ethernet

connection to a local server.

Figure 5

Using the Switch in a desktop environment

Switch 9300

Endstations on switched 10Mbps

or 100Mbps connections

Local serveronaswitched

1000Mbps connection

Switch 3300:

1000Mbps

16985ua.bk Page 19 Thursday, September 7, 2000 9:15 AM

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THE

WITCH

3300 MM

Configuration Rules

for Fast Ethernet

The topology rules for 100Mbps Fast Ethernet are slightly different to

those for 10Mbps Ethernet. Figure 6

illustrates the key topology rules and

provides examples of how they allow for large-scale Fast Ethernet

networks.

Figure 6

Fast Ethernet configuration rules

16985ua.bk Page 20 Thursday, September 7, 2000 9:15 AM

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3com 16985ua.bk User manual

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Model: 16985ua.bk

Category: Network switches

Type: User manual

This manual is also suitable for

SuperStack 3 3300 SM

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