20-2
Software Configuration Guide—Release 12.2(25)EW
OL-6696-01
Chapter 20 Understanding and Configuring CDP
Configuring CDP
Configuring CDP
The following sections describe how to configure CDP:
• Enabling CDP Globally, page 20-2
• Displaying the CDP Global Configuration, page 20-2
• Enabling CDP on an Interface, page 20-3
• Displaying the CDP Interface Configuration, page 20-3
• Monitoring and Maintaining CDP, page 20-3
Enabling CDP Globally
To enable CDP globally, perform this task:
This example shows how to enable CDP globally:
Switch(config)# cdp run
Displaying the CDP Global Configuration
To display the CDP configuration, perform this task:
This example shows how to display the CDP configuration:
Switch# show cdp
Global CDP information:
Sending CDP packets every 120 seconds
Sending a holdtime value of 180 seconds
Sending CDPv2 advertisements is enabled
Switch#
For additional CDP show commands, see the “Monitoring and Maintaining CDP” section on page 20-3.
Command Purpose
Switch(config)# [no] cdp run
Enables CDP globally.
Use the no keyword to disable CDP globally.
Command Purpose
Switch# show cdp
Displays global CDP information.
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