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24-4
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
78-11380-10
Chapter 24 Configuring CDP
Configuring CDP
Disabling and Enabling CDP on an Interface
CDP is enabled by default on all supported interfaces to send and receive CDP information.
Beginning in privileged EXEC mode, follow these steps to disable CDP on an interface:
Beginning in privileged EXEC mode, follow these steps to enable CDP on an interface when it has been
disabled:
This example shows how to enable CDP on an interface when it has been disabled.
Switch# configure terminal
Switch(config)# interface fastethernet0/1
Switch(config-if)# cdp enable
Switch(config-if)# end
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
interface interface-id Specify the interface on which you are disabling CDP, and enter
interface configuration mode.
Step 3
no cdp enable Disable CDP on the interface.
Step 4
end Return to privileged EXEC mode.
Step 5
copy running-config startup-config (Optional) Save your entries in the configuration file.
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
interface interface-id Specify the interface on which you are enabling CDP, and enter
interface configuration mode.
Step 3
cdp enable Enable CDP on the interface after disabling it.
Step 4
end Return to privileged EXEC mode.
Step 5
copy running-config startup-config (Optional) Save your entries in the configuration file.