IBM 8271 Nways Ethernet LAN Switch User manual

8271 Nways Ethernet LAN
Switch Models F12 and F24
User’s Guide
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Before using this information and the product it supports, be sure to read the gen-
eral information under Appendix A,“Safety Information” and Appendix G, “Notices,
Trademarks, and Warranties”.
First Edition (July, 1998)
This edition applies to the IBM 8271 Nways Ethernet LAN Switch Model F12 and F24 with
agent software version 1.0.
Order publications through your IBM representative or the IBM branch office serving your
locality. Publications are not stocked at the address given below.
If you have any comments on this publication, please address them to:
Department CGF
Design & Information Development
IBM Corporation
PO Box 12195
RESEARCH TRIANGLE PARK NC 27709
U.S.A.
When you send information to IBM, you grant IBM a non-exclusive right to use or distribute
the information in any way it believes appropriate without incurring any obligation to you.
© COPYRIGHT INTERNATIONAL BUSINESS MACHINES CORPORATION 1998. ALL RIGHTS
RESERVED.
Note to US Government Users — Documentation released to restricted rights — Use, duplication
or disclosure is subject to restrictions set forth in GSA ADP Schedule Contract with IBM
Corporation.
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CONTENTS
SAFETY NOTICES
Safety Notices 1
World Trade Safety Information 1
ABOUT THIS GUIDE
Finding Specific Information in This Guide 7
Conventions 8
Related Documentation 9
IG
ETTING STARTED WITH THE SWITCH
1INTRODUCING THE SWITCH
About the Switch 1-2
Summary of Hardware Features 1-2
Summary of Software Features 1-2
Switch — Front View Detail 1-4
10BASE-T/
100BASE-TX Ports 1-4
LEDs 1-4
Switch — Rear View Detail 1-6
Unit Information Label 1-6
Power Socket 1-6
Redundant Power System Socket 1-6
Console Port 1-6
Expansion Module Slot 1-6
Matrix Port 1-7
Switch Software Features Explained 1-7
Full Duplex 1-7
Flow Control 1-7
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Security 1-8
Resilient Links 1-8
Spanning Tree Protocol 1-9
Management 1-9
Default Settings for the Switch 1-10
Network Configuration Examples 1-11
Configuration Rules for Fast Ethernet 1-14
Configuration Rules with Full Duplex 1-15
2INSTALLING THE SWITCH
Installing the Switch 2-2
Following Safety Information 2-2
Choosing a Suitable Site 2-2
Rack-mounting 2-3
Wall-mounting 2-4
Placing Units On Top of Each Other 2-5
Stacking Units 2-5
Stacking Two Units 2-5
Stacking Multiple Units 2-6
The Power-up Sequence 2-8
Connecting a Redundant Power System 2-8
Powering-up the Switch 2-8
Checking for Correct Operation 2-8
Choosing the Correct Cables 2-9
Assigning IP Information 2-10
3SETTING UPFOR MANAGEMENT
Why Manage the Stack? 3-2
Methods of Managing a Stack 3-2
Setting Up Web Interface Management 3-3
Through the Console Port 3-3
Over the Network 3-4
Installing Online Help and Documentation 3-4
Choosing a Suitable Browser 3-5
Setting Up Command Line Interface Management 3-6
Through the Console Port 3-6
Over the Network 3-7
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Setting Up SNMP Management 3-7
Managing the Stack Over the Network 3-7
IP Addresses 3-8
Subnets and Using a Subnet Mask 3-8
Logging in as a Default User 3-9
II MANAGING THE SWITCH
4WORKING WITH THE WEB INTERFACE
Accessing the Web Interface 4-2
Exiting the Web Interface 4-3
About The Getting Started Pages 4-4
About the Main Web Interface 4-6
The External Link Icons 4-7
The Management Icons 4-8
The Page Area 4-8
Configuring the Current Switch 4-12
Viewing the Status of the Ports 4-12
Viewing the Administration Details of the Switch 4-14
Setting Up IP Information for the Switch 4-15
Configuring a Port on the Switch 4-16
Configuring the Console Port of the Switch 4-19
Changing the Management Settings for the Stack 4-21
Specifying a Descriptive Name for the Stack 4-21
Changing Your Password 4-22
Specifying the Physical Location of the Stack 4-23
Accessing the Getting Started Pages 4-23
Specifying the Location of the Online Help and Documentation 4-24
Specifying a Contact for the Stack 4-25
Configuring the Stack 4-26
Configuring the Switch Database of the Stack 4-26
Configuring the Operating Modes of the Stack 4-29
Setting Up Resilient Links for the Stack 4-31
Resetting All the Units in the Stack 4-33
Initializing All the Units in the Stack 4-34
Upgrading the Management Software of the Stack 4-35
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Viewing Statistics for the Current Switch 4-36
Displaying Unit Statistics 4-36
Displaying Port Statistics 4-37
5WORKING WITH THE COMMAND LINE INTERFACE
Accessing the Interface 5-2
Exiting the Interface 5-3
How Many Users Can Access the Interface? 5-3
About the Interface Menus 5-3
Entering Commands 5-4
Displaying Menus 5-5
Obtaining Help 5-5
A Quick Guide to the Commands 5-6
Viewing and Changing Information About Ports in the Stack 5-7
Enabling and Disabling Ports 5-7
Viewing Port Status Information 5-8
Viewing and Changing IP-related Information 5-8
Specifying IP and SLIP Information 5-9
Displaying IP and SLIP Information 5-10
Specifying Whether the Switch Uses BOOTP 5-10
Pinging Other Devices On Your Network 5-11
Viewing and Changing Information About the Stack 5-12
Moving the Focus of the Command Line Interface 5-12
Displaying Configuration Information About the Current Switch 5-13
Displaying Summary Information About the Switch Units in the
Stack 5-14
Changing Your Password 5-15
Enabling and Disabling Remote Access to the Stack 5-16
Resetting the Switch Units in the Stack 5-17
Initializing the Switch Units in the Stack 5-17
Upgrading the Management Software of the Stack 5-18
III ADVANCED NETWORKING FEATURES
6SPANNING T
REE PROTOCOL
What is STP? 6-2
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How STP Works 6-4
STP Initialization 6-4
STP Stabilization 6-4
STP Reconfiguration 6-5
An Example 6-5
STP Configurations 6-6
Enabling STP on a Stack 6-8
7RMON
What is RMON? 7-2
The RMON Groups 7-2
Benefits of RMON 7-4
RMON and the Stack 7-5
RMON Features of the Stack 7-6
About Alarm Actions 7-7
About Default Alarm Settings 7-8
About the Audit Log 7-8
IV PROBLEM SOLVING
8PROBLEM SOLVING
Solving Problems Indicated by LEDs 8-2
Solving Problems That Occur When Using the Web Interface 8-2
Solving Problems That Occur When Using the Command Line
Interface 8-5
Solving Problems That Occur When Using an SNMP Network
Manager 8-6
Solving Problems With the Serial Web Utility 8-7
Solving Problems With the Management Software Upgrade Utility 8-8
Solving Other Problems 8-9
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VA
PPENDICES AND INDEX
ASAFETY INFORMATION
Power Cords A-1
Important Safety Information A-3
BUSING THE SERIAL WEB UTILITY
Introduction B-1
Installing the Serial Web Utility B-1
Using the Serial Web Utility B-3
CMANAGEMENT SOFTWARE UPGRADE UTILITY
Using the Upgrade Utility C-1
DPIN-OUTS
Null Modem Cable D-1
PC-AT Serial Cable D-1
Modem Cable D-2
RJ45 Pin Assignments D-2
ESWITCH T
ECHNICAL SPECIFICATIONS
FTECHNICAL SUPPORT AND SERVICE
Electronic Support F-1
WWW F-1
FTP F-1
Voice Support F-1
GNOTICES, TRADEMARKS, AND WARRANTIES
Trademarks G-1
Statement of Limited Warranty G-2
Production Status G-2
The IBM Warranty for Machines G-2
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Warranty Service G-3
Extent of Warranty G-4
Limitation of Liability G-4
Electronic Emission Notices for Shielded Twisted Pair (STP) Cable G-5
Federal Communications Commission (FCC) Statement G-5
Canadian Department of Communications (DOC) Compliance
Statement G-6
Avis de conformite aux normes du ministere des Communications du
Canada G-6
European Community (CE) Mark of Conformity Statement for Shielded
Cable G-6
CISPR22 Compliance Statement for Shielded Cable G-7
Japanese Voluntary Control Council for Interference (VCCI)
Statement G-7
Taiwanese Class A Warning Statement G-8
Korean Communications Statement G-8
Electronic Emission Notices for Unshielded Twisted Pair (UTP) Cable G-8
Federal Communications Commission (FCC) Statement G-8
Canadian Department of Communications (DOC) Compliance
Statement G-9
Avis de conformite aux normes du ministere des Communications du
Canada G-9
European Community (CE) Mark of Conformity Statement for
Unshielded Cable G-9
Japanese Voluntary Control Council for Interference (VCCI) Statement
Class A for Unshielded Cables G-10
Taiwanese Class A Warning Statement G-11
Korean Communications Statement G-11
GLOSSARY
INDEX
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