3com 3C17400 Getting Started Manual

Category
Network switches
Type
Getting Started Manual
http://www.3com.com/
Part No. DUA1740-0AAA01
Published May 2003
Switch 3812 and Switch 3824
Getting Started Guide
3C17401
3C17400
DUA1740-0AAA01.book Page 1 Monday, June 23, 2003 2:44 PM
3Com Corporation
5500 Great America
Parkway, Santa Clara,
California 95052-8145
Copyright © 2003, 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.
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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
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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
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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.
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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
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Ensuring that all products can be recycled, reused and disposed of safely.
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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-life electronic components.
Regulated Materials Statement
3Com products do not contain any hazardous or ozone-depleting material.
Environmental Statement about the Documentation
The documentation for this product is printed on paper that comes from sustainable, managed forests; it is
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CONTENTS
ABOUT THIS GUIDE
Before You Start 7
About Your CD-ROM 7
Conventions 8
Related Documentation 9
Accessing Online Documentation 10
Documentation Comments 10
Product Registration 11
1 INTRODUCING THE SWITCH 3812 AND SWITCH 3824
About the Switch 14
Summary of Hardware Features 14
Switch — Front View Detail 15
10BASE-T/ 100BASE-TX/
1000BASE-T Ports 15
SFP Ports 16
LEDs 16
Console Port 17
Switch — Rear View Detail 17
Power Socket 17
Default Settings 18
2 INSTALLING THE SWITCH
Package Contents 20
Choosing a Suitable Site 20
Rack-mounting 21
Placing Units On Top of Each Other 23
The Power-up Sequence 23
Powering-up the Switch 23
Checking for Correct Operation of LEDs 23
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Choosing the Correct Cables 24
SFP Operation 25
Approved SFP Transceivers 25
Inserting an SFP Transceiver 26
Removing an SFP Transceiver 27
3 SETTING UP FOR MANAGEMENT
Setting Up Overview 30
IP Configuration 31
Preparing for Management 32
Manually Configuring IP Information 33
Connecting to the Console Port 33
Viewing Automatically Configured IP Information 36
Using 3Com Network Supervisor 36
Connecting to the Console Port 36
Methods of Managing a Switch 39
Command Line Interface Management 39
Web Interface Management 39
SNMP Management 40
Setting Up Command Line Interface Management 40
CLI Management via the Console Port 40
CLI Management over the Network 41
Setting Up Web Interface Management 42
Pre-requisites 42
Web Management Over the Network 42
Setting Up SNMP Management 43
Pre-requisites 43
Default Users and Passwords 43
Changing Default Passwords 44
4 PROBLEM SOLVING
Solving Problems Indicated by LEDs 46
Solving Hardware Problems 47
Solving Communication Problems 48
Solving Software Upgrade Problems 49
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A SAFETY INFORMATION
Power Cord Set — Japan 51
Important Safety Information 52
L’information de Sécurité Importante 53
Wichtige Sicherheitsinformationen 55
B PIN-OUTS
Null Modem Cable 57
PC-AT Serial Cable 57
Modem Cable 58
RJ-45 Pin Assignments 58
C TECHNICAL SPECIFICATIONS
Switch 3812 and Switch 3824 61
D TECHNICAL SUPPORT
Online Technical Services 63
World Wide Web Site 63
3Com Knowledgebase Web Services 64
3Com FTP Site 64
Support from Your Network Supplier 64
Support from 3Com 65
Internet Support 65
Telephone Support 65
Returning Products for Repair 67
Contacting 3Com Support 68
INDEX
REGULATORY NOTICES
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DUA1740-0AAA01.book Page 6 Monday, June 23, 2003 2:44 PM
ABOUT THIS GUIDE
This guide provides all the information you need to install and use the
following 3Com switches in their default state.
This guide is intended for use with Switch models:
3C17401 — 3Com Switch 3812 (12-port, Managed Gigabit)
3C17400 — 3Com Switch 3824 (24-port, Managed Gigabit)
All procedures described in this guide apply to both models.
The term Switch 3812 and Switch 3824 will be used when referring to
the 3Com Switch 3812 (12-port, Managed Gigabit) and
3Com Switch 3824 (24-port, Managed Gigabit).
The term SFP Module and SFP Transceiver are both used to describe the
SFP Transceiver.
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).
Before You Start This section contains information about the CD-ROM that accompanies
your Switch.
About Your CD-ROM The CD-ROM also contains the following:
Online documentation for the Switch — refer to Related
Documentation on page 9 for details.
3Com Network Supervisor — a powerful and easy-to-use network
management platform.
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8 ABOUT THIS GUIDE
A number of other useful applications.
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/
Conventions Table 1 and Tabl e 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
Related
Documentation
In addition to this guide, each Switch documentation set includes the
following:
Switch Implementation Guide
This guide contains information on the features supported by your
Switch and how they can be used to optimize your network. It is
supplied in PDF format on the CD-ROM that accompanies the Switch.
Switch Management Quick Reference Guide
This guide contains:
a list of the features supported by the Switch.
a summary of the web interface and command line interface
commands for the Switch.
Switch Management Interface Reference Guide
This guide provides detailed information about the web interface and
command line interface that enable you to manage the Switch. It is
supplied in HTML format on the CD-ROM that accompanies the
Switch.
Release Notes
These notes provide information about the current software release,
including new features, modifications, and known problems.
There are other publications you may find useful, such as:
Documentation accompanying 3Com Network Supervisor. This is
supplied on the CD-ROM that accompanies the Switch.
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 OK.
Table 2 Text Conventions (continued)
Convention Description
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10 ABOUT THIS GUIDE
Accessing Online
Documentation
To access the documentation on the CD-ROM supplied with your Switch,
do the following:
1 Insert the CD-ROM into your CD-ROM drive. If your PC has auto-run
enabled, a splash screen will be displayed automatically.
2 Select the Documentation section from the contents page.
If the online documentation is to be accessed from a local drive or server,
you will need to access the CD-ROM contents via the root directory and
copy the files from the CD-ROM to a suitable directory.
The HTML Reference Guide is stored in the Docs/reference
directory on the CD-ROM. The documentation is accessed using the
contents.htm file.
The PDF Implementation Guide is stored in the
Docs/implementation directory of the CD-ROM.
3Com recommends that you copy the Docs/reference directory as a
whole to maintain the structure of the files.
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:
Part Number DUA1740-0AAA0x
Switch 3812 and Switch 3824 Getting Started Guide
Page 21
DUA1740-0AAA01.book Page 10 Monday, June 23, 2003 2:44 PM
Product Registration 11
Please note that we can only respond to comments and questions about
3Com product documentation at this e-mail address. 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 Switch on the 3Com Web site:
http://www.3com.com/register/
You will need your product part number (3Cxxxxx), product serial number
and date and place of purchase to register your 3Com product.
Registering your product enables you to: process Repair Requests on-line,
check the status of your requests at anytime, provides you with important
warranty information as well as activating your entitlement to additional
service benefits and receive up-to-date information on your product.
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12 ABOUT THIS GUIDE
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1
INTRODUCING THE SWITCH 3812
AND SWITCH 3824
This chapter contains introductory information about the Switch 3812
and Switch 3824 and how they can be used in your network. It covers
summaries of hardware and software features and also the following
topics:
About the Switch
Switch — Front View Detail
Switch — Rear View Detail
Default Settings
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14 CHAPTER 1: INTRODUCING THE SWITCH 3812 AND SWITCH 3824
About the Switch The Switch is a 10/100/1000 Mbps Ethernet Switch, which consists of 4
SFP ports and either:
24 10BASE-T/100BASE-TX/1000BASE-T ports or
12 10BASE-T/100BASE-TX/1000BASE-T ports
The last four 10/100/1000 ports are combination ports. When an SFP port
is active it has priority over the 10/100/1000 port of the same number
(9 -12 on the 12-port Switch, 21-24 on the 24-port Switch). The
corresponding 10/100/1000 port is disabled when an SFP port is active.
Summary of
Hardware Features
Table 3
summarizes the hardware features that are supported by the
Switch.
Table 3 Hardware features
Feature Switch
Addresses Up to 16000 supported
Up to 1000 permanent entries
Auto-negotiation Supported on all ports
Auto MDI/MDI-X on 10/100/1000 ports
Forwarding Modes Store and Forward
Duplex Modes Half and full duplex on all front panel ports
Traffic Prioritization Supported (using the IEEE Std 802.ID, 1998 Edition):
8 queues per port
Ethernet/Fast Ethernet/
Gigabit Ethernet Ports
Auto-negotiating
10BASE-T/100BASE-TX/1000BASE-T ports
SFP Ports 4 auto-negotiating SFP ports
Mounting 19-inch rack or stand-alone mounting
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Switch — Front View Detail 15
Switch — Front
View Detail
Figure 1 Switch 3812— front view
Figure 2 Switch 3824— front view
WARNING: RJ-45 Ports. These are shielded RJ-45 data sockets. They cannot
be used as standard traditional telephone sockets, or to connect the unit to a
traditional PBX or public telephone network. Only connect RJ-45 data
connectors, network telephony systems, or network telephones to these
sockets.
Either shielded or unshielded data cables with shielded or unshielded
jacks can be connected to these data sockets.
10BASE-T/
100BASE-TX/
1000BASE-T Ports
The Switch has 12 or 24 auto-negotiating 10BASE-T/100BASE-TX/
1000BASE-T ports configured as Auto MDIX (cross-over). These ports
automatically provide the appropriate connection. Alternatively, you can
manually set these ports to 10BASE-T half duplex, 10BASE-T full duplex,
100BASE-TX half duplex, 100BASE-TX full duplex, or 1000BASE-T full
duplex. The maximum segment length is 100 m (328 ft) over Category 5
twisted pair cable.
7
1
12
6
910
7
Yellow/Green Flash = Disabled
Port Status
Link/Activity: Green = 1000M, Yellow = 10/100M, Flash = Activity
11 12
1 2 3 465
Switch 3812
3C17401
Module Active
9
89
10 11
10 11
Power
Self Test
12
12
Console Port
10BASE-T / 100BASE-TX / 1000BASE-T Ports
Power LED
Self Test LED
SFP Ports
Port Status LEDs
21
3C17400
14
Link/Activity: Green = 1000M, Yellow = 10/100M, Flash = Activity
22 23 24
13
1
Module Active
Yellow/Green Flash = Disabled
1615 1817 2019 2221
21 22
Self Test
2423
23 24
Port Status
432 5678 9 10
Power
11 12
Port Status LEDs
Power LED
10BASE-T / 100BASE-TX / 1000BASE-T Ports
SFP Ports
1
13
18 19
76
24
12
Console Port
Self Test LED
Switch 3824
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16 CHAPTER 1: INTRODUCING THE SWITCH 3812 AND SWITCH 3824
The default state for 10/100/1000 Mbps ports is auto-negotiation
enabled, where the speed, duplex and flow control modes are
negotiated. Alternatively, auto-negotiation can be disabled and the
speed, duplex and flow control setting can be manually configured.
The last four 10/100/1000 ports are combination ports. When an SFP port
is active it has priority over the 10/100/1000 port of the same number
(9 -12 on the 12-port Switch, 21-24 on the 24-port Switch). The
corresponding 10/100/1000 port is disabled when an SFP port is active.
SFP Ports The four SFP (Small Form Factor Pluggable) ports support fiber Gigabit
Ethernet short-wave (SX) and long-wave (LX) SFP Transceivers in any
combination. This offers you the flexibility of using SFP transceivers to
provide connectivity between the Switch and remote 1000 Mbps
workgroups or to create a high capacity aggregated link backbone
connection.
The default state for these ports is auto-negotiation enabled, where the
speed, duplex and flow control modes are negotiated. As the speed and
duplex modes are fixed by the media type, only the flow control is
negotiated with the link partner. Alternatively, auto-negotiation can be
disabled and the flow control setting can be manually configured.
SFP ports are numbered 9 -12 on the 12-port Switch, 21-24 on the
24-port Switch. When an SFP port is active it has priority over the
10/100/1000 port of the same number. The corresponding 10/100/1000
port is disabled when an SFP port is active.
LEDs Ta b le 4
lists LEDs visible on the front of the Switch, and how to read their
status according to color. For information on using the LEDs for problem
solving, see
Solving Problems Indicated by LEDs on page 46.
Table 4 LED behavior
LED Color Indicates
Port LEDs
Green A 1000 Mbps link is present
Yellow A 10 Mbps or 100 Mbps link is present
Yellow to
Green flashing
A high speed (1000 Mbps) or 10/100 Mbps link is present,
but the port is disabled. If the Self Test LED is lit red there is a
loop back error.
Yellow flashing There is 10/100 Mbps activity on the port.
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Switch — Rear View Detail 17
Console Port The console port allows you to connect a terminal and perform remote or
local out-of-band management. The console port uses a standard null
modem cable and is set to auto-baud, 8 data bits, no parity and 1 stop
bit.
Switch — Rear
View Detail
Figure 3 Switch — rear view
Power Socket The Switch automatically adjusts its power setting to any supply voltage
in the range 100-240 VAC.
Green flashing There is 1000 Mbps activity on the port.
Off No link is present.
Module Active LEDs
Green The SFP Module is present and has a link. The corresponding
10/100/1000 Mbps port is disabled
Self Test LED
Green flashing There is a test in progress.
Green All tests have been passed and the Switch is ready for use.
Red A fault has occurred.
Red flashing An internal fan has failed.
Off The unit is booting-up.
Power LED
Green The Switch is powered-up and operating normally.
Red The Switch has a fault with the Power Supply Unit.
Off The Switch is not receiving power or there is a fault with the
Power Supply Unit.
LED Color Indicates
Power Socket
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18 CHAPTER 1: INTRODUCING THE SWITCH 3812 AND SWITCH 3824
Default Settings Table 5 shows the default settings for the Switch:
Table 5 Default Settings
If you initialize a Switch unit by selecting System > Control > Initialize in
the Web interface or by entering system control initialize
in
the Command Line Interface, the following settings are retained to allow
you to connect to and manage the Switch:
IP Address
Subnet Mask
Default Router
Feature Switch
Automatic IP Configuration Enabled
Port Status Enabled
Port Speed 10/100/1000 Mbps ports are auto-negotiated
Duplex Mode 10/100/1000 Mbps ports are auto-negotiated
Flow Control Enabled in half duplex
Auto-negotiated in full duplex
Broadcast Storm Control Enabled
Virtual LANs (VLANs) All ports belong to the untagged Default VLAN
(VLAN 1) with IEEE Std 802.1Q-1998 learning
operational
Link Aggregation Control
Protocol (LACP)
Disabled per port
IP Multicast Filtering Filtering enabled
Rapid Spanning Tree Protocol Enabled
Spanning Tree Fast Start Enabled
Traffic Prioritization All ports prioritize NBX VoIP traffic (LAN and IP).
All ports set to “best effort” for all other traffic.
Port Security Disabled per port
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2
INSTALLING THE SWITCH
This chapter contains the information you need to install and set up the
Switch. It covers the following topics:
Package Contents
Choosing a Suitable Site
Rack-mounting
Placing Units On Top of Each Other
The Power-up Sequence
WARNING: Safety Information. Before installing or removing any
components from the Switch or carrying out any maintenance
procedures, you must read the safety information provided in Appendix A
of this guide.
AVERTISSEMENT: Consignes de sécurité. Avant d'installer ou d'enlever
tout composant du Switch ou d'entamer une procédure de maintenance,
lisez les informations relatives à la sécurité qui se trouvent dans
l'Appendice A de ce guide.
VORSICHT: Sicherheitsinformationen. Bevor Sie Komponenten aus
dem Switch entfernen oder dem Switch hinzufuegen oder
Instandhaltungsarbeiten verrichten, lesen Sie die Sicherheitsanweisungen,
die in Appendix A (Anhang A) in diesem Handbuch aufgefuehrt sind.
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20 CHAPTER 2: INSTALLING THE SWITCH
Package Contents Switch unit
CD-ROM
Getting Started Guide (this guide)
Management Quick Reference Guide
Release Notes
Unit Information Labels
Warranty Information
Power Cord
2 x Mounting brackets
4 x Screws
4 x Rubber feet
Choosing a Suitable
Site
The Switch is suited for use on a desktop, either free standing or
mounted in a standard 19-inch equipment rack. Alternatively, the Switch
can be mounted in a wiring closet or equipment room, as an aggregator
for other Hubs and Switches. A rack-mounting kit containing two
mounting brackets is supplied with the Switch.
CAUTION: Ensure that the ventilation holes are not obstructed.
When deciding where to position the Switch, ensure that:
Cabling is located away from:
sources of electrical noise such as radios, transmitters and
broadband amplifiers.
power lines and fluorescent lighting fixtures
The Switch is accessible and cables can be connected easily.
Water or moisture cannot enter the case of the Switch.
Air flow is not restricted around the Switch or through the vents in the
side of the Switch. 3Com recommends that you provide a minimum of
25mm (1in.) clearance.
Air temperature around the Switch does not exceed 40 °C (104 °F).
If the Switch is installed in a 19-inch rack or closed assembly its local air
temperature may be greater than room ambient temperature.
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3com 3C17400 Getting Started Manual

Category
Network switches
Type
Getting Started Manual

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