xviii
Catalyst 3550 Multilayer Switch Command Reference
OL-8566-02
Preface
Conventions
This publication uses these conventions to convey instructions and information:
Command descriptions use these conventions:
• Commands and keywords are in boldface text.
• Arguments for which you supply values are in italic.
• Square brackets ([ ]) means optional elements.
• Braces ({ }) group required choices, and vertical bars ( | ) separate the alternative elements.
• Braces and vertical bars within square brackets ([{ | }]) mean a required choice within an optional
element.
Interactive examples use these conventions:
• Terminal sessions and system displays are in screen font.
• Information you enter is in boldface screen font.
• Nonprinting characters, such as passwords or tabs, are in angle brackets (< >).
Notes, cautions, and warnings use these conventions and symbols:
Note Means reader take note. Notes contain helpful suggestions or references to materials not contained in
this manual.
Caution Means reader be careful. In this situation, you might do something that could result in equipment
damage or loss of data.
Timesaver Means the following will help you solve a problem. The tips information might not be troubleshooting
or even an action, but could be useful information.
Related Publications
These documents provide complete information about the switch and are available from this Cisco.com
site:
http://www.cisco.com/en/US/products/hw/switches/ps646/tsd_products_support_series_home.html
• Release Notes for the Catalyst 3550 Multilayer Switch
Note Switch requirements and procedures for initial configurations and software upgrades tend to change and
therefore appear only in the release notes. Before installing, configuring, or upgrading the switch, see
the release notes on Cisco.com for the latest information.
• Catalyst 3550 Multilayer Switch Software Configuration Guide
• Catalyst 3550 Multilayer Switch Command Reference
• Catalyst 3750, 3560, 3550, 2970, and 2960 Switch System Message Guide