Name: Cisco 2950 - Catalyst Switch
Brand: Cisco
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Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide

78-11380-10

Chapter 2 Using the Command-Line Interface

Abbreviating Commands

You have to enter only enough characters for the switch to recognize the command as unique. This

example shows how to enter the show configuration privileged EXEC command:

Switch# show conf

Using no and default Forms of Commands

Almost every configuration command also has a no form. In general, use the no form to disable a feature

or function or reverse the action of a command. For example, the no shutdown interface configuration

command reverses the shutdown of an interface. Use the command without the keyword no to re-enable

a disabled feature or to enable a feature that is disabled by default.

Configuration commands can also have a default form. The default form of a command returns the

command setting to its default. Most commands are disabled by default, so the default form is the same

as the no form. However, some commands are enabled by default and have variables set to certain default

values. In these cases, the default command enables the command and sets variables to their default

values.

command ? List the associated keywords for a command.

For example:

Switch> show ?

command keyword ? List the associated arguments for a keyword.

For example:

Switch(config)# cdp holdtime ?

<10-255> Length of time (in sec) that receiver must keep this packet

Table 2-2 Help Summary (continued)

Command Purpose

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Cisco 2950 - Catalyst Switch Specifications

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