Cisco IOS Router Manuel d'utilisateur télécharger pdf (Page 16)

The Cisco IOS v1.22 – Aaron Balchunas

* * *

Aaron Balchunas (aaron@routeralley.com),

This material may be copied and used freely, but may not be altered or sold without the expressed written

consent of the owner of the above copyright. Updated material may be found at http://www.routeralley.com.

IOS Troubleshooting Commands

The show tech-support command prints to screen every configuration file,

and the output of several important show commands. This can be redirected

to a file and either viewed or sent to Cisco for troubleshooting purposes:

Router# show tech-support

The debug command is a powerful tool to view real-time information and

events occurring on an IOS device. As with the show command, there are a

multitude of arguments for the debug command. An example debug

command is as follows:

Router# debug ip rip events

To disable a specific debugging command, simply preprend the word no in

front of the command:

Router# no debug ip rip events

To enable all possible debugging options on an IOS device:

Router# debug all

Using the debug all command is not recommended, as it will critically

impair router performance.

To disable all possible debugging options on an IOS device:

Router# no debug all

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Cisco IOS Router Manuel d'utilisateur Page 16