CDP (Cisco Discovery Protocol)

  CDP (Cisco Discovery Protocol) will help you to discover the neighbors which are connected to each other By using cdp you can build network maps.

By-default the CDP is enabled on cisco devices.

 you can enable and disable the CDP on per interface basis and also you can configure the same in global mode.

R1#show cdp neighbors detail

R1#show cdp neighbors

CDP Configurations On interfaces Basis.

R1(config)#interface fa 0/0

R1(config-if)#no cdp enable

CDP Configurations On Global mode for all interfaces.

R1(config)#cdp enable

How TO disable the CDP

 you can disable and enable CDP for a single interface, just type no cdp enable.

 This is how you can do it globally for all interfaces:

R1(config)#no cdp run