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This preface describes the audience, organization, and conventions of the Layer 3 Switching Software Feature and Configuration Guide, and provides information on how to obtain related documentation. This preface includes the following topics:
This guide is written for people who will configure your switch router, such as the following:
This guide is organized as follows:
| Chapter | Title | Description |
|---|---|---|
Chapter 1 | Gives an overview of Layer 3 switching, shows how a Layer 3 switch router fits into the network, lists the types of interfaces used in Layer 3 switching, and lists Layer 3 software features. | |
Chapter 2 | Describes Cisco IOS command modes, lists the information you need to have available before you begin configuring your switch router, and gives you a suggested process to follow. | |
Describes the initial configuration of the switch router's route 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 | 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 5 | Describes how to configure networking and routing protocols for Layer 3 switching. | |
Chapter 6 | Describes how to configure transparent bridging for Ethernet, and Integrated Routing and Bridging (IRB). | |
Chapter 7 | Describes how to create the EtherChannel and assign individual interfaces to the EtherChannel. | |
Chapter 8 | Describes Layer 3 switching quality of service (QoS) features and provides information to help you fine tune QoS on your system. | |
Appendix A | Cisco IOS Commands Not Supported in Layer 3 Switching Software | Lists the commands not supported in Layer 3 switching. |
Appendix B | Lists and describes commands unique to Layer 3 switching. | |
Appendix C | Provides examples of switch router configurations. | |
Appendix D | Lists information the Technical Assistance Center (TAC) requires to troubleshoot a problem, and tells you how to contact TAC. |
This software feature and configuration guide explains how to configure the switch router. It does not cover every feature, but describes tasks most commonly required. More detailed information about 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 added since the documentation was printed and additional caveats about using the software, refer to the release notes that accompany the software.
The following documents provide information related to Layer 3 switching software and switch routers.
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. |
| Terminal sessions and information the system displays are in |
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. |
| |
^ | 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:
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. |
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Posted: Wed Dec 22 14:07:29 PST 1999
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