Disabling And Enabling Cdp On An Interface - Cisco Catalyst 3560-X Software Configuration Manual
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Also See for Catalyst 3560-X:
- Command reference manual (1188 pages) ,
- Software configuration manual (1438 pages) ,
- Manual (276 pages)
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Configuring CDP
Beginning in privileged EXEC mode, follow these steps to disable the CDP device discovery capability:
Command
Step 1
configure terminal
Step 2
no cdp run
Step 3
end
Beginning in privileged EXEC mode, follow these steps to enable CDP when it has been disabled:
Command
Step 1
configure terminal
Step 2
cdp run
Step 3
end
This example shows how to enable CDP if it has been disabled.
Switch# configure terminal
Switch(config)# cdp run
Switch(config)# end
Disabling and Enabling CDP on an Interface
CDP is enabled by default on all supported interfaces to send and to receive CDP information.
CDP bypass is not supported and may cause a port go into err-disabled state.
Note
Beginning in privileged EXEC mode, follow these steps to disable CDP on a port:
Command
Step 1
configure terminal
Step 2
interface interface-id
Step 3
no cdp enable
Step 4
end
Step 5
copy running-config startup-config
Catalyst 3750-X and 3560-X Switch Software Configuration Guide
1-4
Purpose
Enter global configuration mode.
Disable CDP.
Return to privileged EXEC mode.
Purpose
Enter global configuration mode.
Enable CDP after disabling it.
Return to privileged EXEC mode.
Purpose
Enter global configuration mode.
Specify the interface on which you are disabling CDP, and enter
interface configuration mode.
Disable CDP on the interface.
Return to privileged EXEC mode.
(Optional) Save your entries in the configuration file.
Chapter 1
Configuring CDP
OL-25303-03
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Troubleshooting
