Using No And Default Forms Of Commands; Understanding Cli Messages - Cisco Catalyst 2950 Software Manual
Desktop switch software configuration guide
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Also See for Catalyst 2950:
- Configuration manual (710 pages) ,
- Command reference manual (686 pages) ,
- Software configuration manual (674 pages)
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Using no and default Forms of Commands
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 command no shutdown 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.
Understanding CLI Messages
Table 3-3
switch.
Table 3-3
Common CLI Error Messages
Error Message
% Ambiguous command:
"show con"
% Incomplete command.
% Invalid input detected
at '^' marker.
Catalyst 2950 Desktop Switch Software Configuration Guide
3-4
lists some error messages that you might encounter while using the CLI to configure your
Meaning
You did not enter enough characters
for your switch to recognize the
command.
You did not enter all of the keywords
or values required by this command.
You entered the command
incorrectly. The caret (^) marks the
point of the error.
Chapter 3
How to Get Help
Re-enter the command followed by a question mark (?)
with a space between the command and the question
mark.
The possible keywords that you can enter with the
command are displayed.
Re-enter the command followed by a question mark (?)
with a space between the command and the question
mark.
The possible keywords that you can enter with the
command are displayed.
Enter a question mark (?) to display all of the
commands that are available in this command mode.
The possible keywords that you can enter with the
command are displayed.
Using the Command-Line Interface
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Troubleshooting
