Cisco Systems OL-6426-02 Benutzerhandbuch

This section provides some tips about entering Cisco IOS commands at the command-line interface 
(CLI).

You only have to enter enough characters for the router to recognize the command as unique. This 
example shows how to enter the show version command:

Router # sh v

If you want to disable a feature or undo a command you entered, you can enter the keyword no before 
most commands; for example, no ip routing. 

 lists some error messages that you might encounter while using the CLI to configure your 

router.

% Ambiguous command: 

"show con"

You did not enter enough 
characters for your router to 
recognize the command.

Reenter the command, followed 
by a question mark (?) with no 
space between the command and 
the question mark.

The possible keywords that you 
can enter with the command are 
displayed.

% Incomplete command.

You did not enter all of the 
keywords or values required by 
this command.

Reenter the command, followed 
by a question mark (?) with no 
space between the command and 
the question mark.

The possible keywords that you 
can enter with the command are 
displayed.

% Invalid input detected at 

‘^’ marker.

You entered the command 
incorrectly. The error occurred 
where the caret mark (^) appears.

Enter a question mark (?) to 
display all of the commands that 
are available in this 
command mode.