About This Guide

This section discusses the revisions made to this publication, and describes how to get the latest version of this publication.

Changes to This Guide

Table 1: Revisions to this Guide

Version	New/Changed Feature	Description
78-4534-02	New release	New release

Where to Get the Latest Version of This Guide

The hard copy of this guide is updated at major releases only and does not always contain the latest material for enhancements occurring between major releases. You are shipped separate release notes or configuration notes for spares, hardware, and software enhancements occurring between major releases.

The online copy of this guide is always up-to-date and integrates the latest enhancements to the product. You can access the current online copy of this guide on the World Wide Web at http://www.cisco.com, http://www-china.cisco.com, or http://www-europe.cisco.com.

Conventions

This document uses the following conventions:

Table 2: Command Syntax Conventions

Convention	Meaning	Comments
Boldface	Commands and keywords you enter literally as shown	offset-list
Italics	Variables for which you supply values	command type interface You replace the variable with the type of interface. In contexts that do not allow italics, such as online help, arguments are enclosed in angle brackets (< >).
Square brackets ([ ])	Optional elements	command [abc] abc is optional (not required), but you can choose it.
Vertical bars ( | )	Separated alternative elements	command [ abc | def ] You can choose either abc or def, or neither, but not both.
Braces ({ })	Required choices	command { abc | def } You must use either abc or def, but not both.
Braces and vertical bars within square brackets ([ { | } ])	A required choice within an optional element	command [ abc { def | ghi } ] You have three options: nothing abc def abc ghi

Table 3: Document Conventions

Convention	Meaning	Comments
Caret character (^)	Control key	The key combinations ^D and Ctrl-D are equivalent: Both mean hold down the Control key while you press the D key. Keys are indicated in capital letters, but are not case sensitive.
A string	A nonquoted set of characters	For example, when setting an SNMP community string to public, do not use quotation marks around the string; otherwise, the string will include the quotation marks.
System prompts	Denotes interactive sessions, indicates that the user enters commands at the prompt	The system prompt indicates the current command mode. For example, the prompt Router (config) # indicates global configuration mode.
Screen font	Terminal sessions and information the system displays
Boldface screen font	Information you enter
Angle brackets (< >)	Nonprinting characters such as passwords
Square brackets([ ])	Default responses to system prompts
Exclamation points (!) at the beginning of a line	A comment line	Comments are sometimes displayed by the Cisco IOS software.

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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Note Means reader take note. Notes contain helpful suggestions or references to materials not contained in this manual.

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