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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 publication uses the following conventions:
•
Command descriptions use these conventions:
•
•
•
•
•
Examples use these conventions:
•
•
•
•
•
Caution
equipment damage or loss of data.
Note
contained in this manual.
Timesaver
12
9
3
described in the paragraph.
6
Tips
Warning
Before you work on any equipment, be aware of the hazards involved with electrical circuitry and
be familiar with standard practices for preventing accidents. To see translations of the warnings that
appear in this publication, refer to the Regulatory Compliance and Safety Information document that
accompanied this device.
The symbol ^ represents the key labeled Control. For example, the key combination ^z means
hold down the Control key while you press the z key.
Examples that contain system prompts denote interactive sessions, indicating the commands that
you should enter at the prompt. The system prompt indicates the current level of the EXEC
command interpreter. For example, the prompt
level, and the prompt
router#
privileged level usually requires a password.
Commands and keywords are in boldface font.
Arguments for which you supply values are in italic font.
Elements in square brackets ([ ]) are optional.
Alternative but required keywords are grouped in braces ({ }) and separated by vertical bars (|).
Terminal sessions and sample console screen displays are in
Information you enter is in
Nonprinting characters, such as passwords, are in angle brackets (< >).
Default responses to system prompts are in square brackets ([ ]).
Exclamation points (!) at the beginning of a line indicate a comment line.
Means reader be careful. You are capable of doing something that might result in
Means reader take note. Notes contain helpful suggestions or references to materials not
Means the described action saves time. You can save time by performing the action
Means the following information might help you solve a problem.
This warning symbol means danger. You are in a situation that could cause bodily injury.
router>
indicates that you should be at the privileged level. Access to the
font.
boldface screen
indicates that you should be at the user
font.
screen
Conventions
Preface xi
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