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Show CDP Configuration  

Description: The command show cdp provides cdp information.

Note that cdp is enabled by default on a router. If you want to disable cdp on a particular interface, use no cdp enable command. To re enable cdp on an interface, use cdp run command.

If the cdp is disabled in global configuration mode, you can not enable it for any specific interface using interface configuration mode.

Instructions:

1. Enter interface configuration mode for serial 0/0, and disable CDP on interface serial 0/0

2. Issue a command to verify that Serial 0/0 is no longer sending CDP updates

3. Type the command to see Global CDP information

R1>enable
R1#configure terminal
R1(config)#interface serial 0/0
R1(config-if)#no cdp enable
R1(config-if)#exit
R1(config)#exit
R1#show cdp

 

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