CHAPTER 21
Implementing CDP
Cisco Discovery Protocol (CDP) is a media- and protocol-independent protocol that runs on all
Cisco-manufactured equipment including routers, bridges, access and communication servers, and switches.
Using CDP, you can view information about all the Cisco devices that are directly attached to the device.
This module describes the new and revised tasks you need to implement CDP on your Cisco IOS XR network.
For more information about CDP on the Cisco IOS XR software and complete descriptions of the CDP
commands listed in this module, refer to Related Documents, on page 402. To locate documentation for other
commands that might appear in the course of running a configuration task, search online in Cisco ASR 9000
Series Aggregation Services Router Commands Master List.
Table 41: Feature History for Implementing CDP on Cisco IOS XR Software
ModificationRelease
This feature was introduced.Release 3.7.2
This module contains the following topics:
•
Prerequisites for Implementing CDP, page 395
•
Information About Implementing CDP, page 396
•
How to Implement CDP on Cisco IOS XR Software, page 397
•
Configuration Examples for Implementing CDP, page 402
•
Additional References, page 402
Prerequisites for Implementing CDP
You must be in a user group associated with a task group that includes the proper task IDs. The command
reference guides include the task IDs required for each command. If you suspect user group assignment is
preventing you from using a command, contact your AAA administrator for assistance.
Cisco ASR 9000 Series Aggregation Services Router System Management Configuration Guide, Release 5.1.x
395
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