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Table of Contents

Preface

Preface

This preface describes the audience, organization, and conventions of the Catalyst 4840G Software Feature and Configuration Guide, and provides information on how to obtain related documentation. This preface includes the following topics:

Audience

This guide is written for the following users who will configure the Catalyst 4840G SLB switch:

Organization

This guide is organized as follows:
Chapter
Title
Description

Chapter 1

Overview of SLB and Layer 3 Switching and Software Features

Gives an overview of SLB and Layer 3 switching, shows how a SLB switch fits into the network, lists the types of interfaces used in Layer 3 switching, and lists Layer 3 software features.

Chapter 2

Before You Begin

Describes Cisco IOS command modes, lists the information you need to have available before you begin configuring your SLB switch, and gives you a suggested process to follow.

Chapter 3

Configuring the SLB Processor

Describes the initial configuration of the SLB switch processor, including passwords, management port, host name, Network Time Protocol (NTP), and redundant CPU operation. This chapter also describes how to use Flash PC Cards to accomplish various system administration tasks.

Chapter 4

Server Load Balancing

Describes the server load balancing (SLB) feature and configuration.

Chapter 5

Configuring SLB Redundancy

Describes how to configure the SLB switch redundancy.

Chapter 6

Configuring Interfaces

Describes general interface configuration for Fast Ethernet and Gigabit Ethernet interfaces. This chapter also describes how to configure VLAN frame encapsulation using ISL and 802.1Q protocols.

Chapter 7

Configuring Networking Protocols

Describes how to configure networking and routing protocols for Layer 3 switching.

Chapter 8

Configuring Bridging

Describes how to configure transparent bridging for Ethernet, and integrated routing and bridging (IRB).

Chapter 9

Configuring EtherChannel

Describes how to create the EtherChannel and assign individual interfaces to the EtherChannel.

Chapter 10

Configuring NTP

Describes how to configure the Network Time Protocol (NTP).

Appendix A

Command Reference

Lists and describes commands unique to SLB switching.

Appendix B

Cisco IOS Commands Not Supported in SLB Switching Software

Lists the commands not supported in SLB switching.

Appendix C

Using Technical Support

Lists information the Technical Assistance Center (TAC) requires to troubleshoot a problem, and tells you how to contact TAC.

Related Documentation

This software feature and configuration guide explains how to configure the SLB switch. It does not cover every feature, but describes tasks most commonly required. More detailed information about SLB and Layer 3 switching software features can be found in the Cisco IOS configuration guides and command reference publications.

For the latest information about the software, including new features and caveats added since the documentation was printed, refer to the release notes that accompany the software.

For installation information and a complete description of the Catalyst 4840G SLB switch, refer to the Catalyst 4840G Chassis Installation Guide.

Conventions

This document uses the following conventions:
Convention
Description

boldface font

Commands and keywords are in boldface.

italic font

Arguments for which you supply values are in italics.

[]

Elements in square brackets are optional.

{x | y | z}

Alternative keywords are grouped in braces and separated by vertical bars.

[x | y | z]

Optional alternative keywords are grouped in brackets and separated by vertical bars.

string

A nonquoted set of characters. Do not use quotation marks around the string or the string will include the quotation marks.

screen font

Terminal sessions and information the system displays are in screen font.

boldface screen font

Information you must enter is in boldface screen font.

italic screen font

Arguments for which you supply values are in italic screen font.



This pointer highlights an important line of text in an example.

^

The symbol ^ represents the key labeled Control—for example, the key combination ^D in a screen display means hold down the Control key while you press the D key.

<>

Nonprinting characters, such as passwords, are in angle brackets.

[]

Default responses to system prompts are in square brackets.

!, #

An exclamation point (!) or a pound sign (#) at the beginning of a line of code indicates a comment line.

Notes use the following conventions:


Note   Means reader take note. Notes contain helpful suggestions or references to material not covered in the publication.

Timesavers use the following conventions:


TimeSaver Means the described action saves time. You can save time by performing the action described in the paragraph.

Tips use the following conventions:


Tips Means the following are useful tips.

Cautions use the following conventions:


Caution  Means reader be careful. In this situation, you might do something that could result in equipment damage or loss of data.

Cisco Connection Online

Cisco Connection Online (CCO) is Cisco Systems' primary, real-time support channel. Maintenance customers and partners can self-register on CCO to obtain additional information and services.

Available 24 hours a day, 7 days a week, CCO provides a wealth of standard and value-added services to Cisco's customers and business partners. CCO services include product information, product documentation, software updates, release notes, technical tips, the Bug Navigator, configuration notes, brochures, descriptions of service offerings, and download access to public and authorized files.

CCO serves a wide variety of users through two interfaces that are updated and enhanced simultaneously: a character-based version and a multimedia version that resides on the World Wide Web (WWW). The character-based CCO supports Zmodem, Kermit, Xmodem, FTP, and Internet e-mail, and it is excellent for quick access to information over lower bandwidths. The WWW version of CCO provides richly formatted documents with photographs, figures, graphics, and video, as well as hyperlinks to related information.

You can access CCO in the following ways:

For a copy of CCO's Frequently Asked Questions (FAQ), contact cco-help@cisco.com. For additional information, contact cco-team@cisco.com.


Note   If you are a network administrator and need personal technical assistance with a Cisco product that is under warranty or covered by a maintenance contract, contact Cisco's Technical Assistance Center (TAC) at 800 553-2447, 408 526-7209, or tac@cisco.com. To obtain general information about Cisco Systems, Cisco products, or upgrades, contact 800 553-6387, 408 526-7208, or cs-rep@cisco.com.

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Posted: Thu Sep 28 15:26:44 PDT 2000
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