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5.2.3 Entry-error detection functionality
If you enter a command or parameter incorrectly, an error message appears on the next
line. For details on error messages, see 36. Error Messages on Configuration Editing in the
Configuration Command Reference manual. Input errors when you press the Tab key or
type a question mark are indicated in the same manner.
Check and re-enter the command or parameter, referring to the error message. Figure 5-6
Example of entry-error display (spelling mistake for fastethernet) and Figure 5-7 Example
of display when a parameter is being entered (no parameter is specified for duplex) show
display examples of entry-error detection.
Figure 5-6 Example of entry-error display (spelling mistake for fastethernet)
(config)# interface fastehternet 0/1 [Enter]
Error: Invalid parameter.
(config)#
Figure 5-7 Example of display when a parameter is being entered (no parameter is
(config)# interface fastethernet 0/1
(config-if)# duplex [Enter]
Error: Missing parameter.
(config-if)#
5.2.4 Abbreviated-command execution
A command or parameter entered in abbreviated form will be executed if the entered
characters are recognized as a unique command or parameter. The following figure shows
an example of abbreviated-command execution.
Figure 5-8 Example of abbreviated-command execution (show ip arp command)
> sh ip ar [Enter]
Date 2008/11/14 20:04:23 UTC Total: 2
IP Address
10.0.0.55
10.0.0.56
>
^
specified for duplex)
^
Linklayer Address
0013.20ad.0155
0013.20ad.0156
Interface
Expire
VLAN2048
20min
VLAN2048
20min
5 Command Operations
Type
arpa
arpa
51
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