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The following commands are used to
implement, monitor, and maintain CDP information:
- cdp
run
- cdp enable
- clear cdp counters
- show cdp
- show cdp entry {*|device-name[*][protocol
| version]}
- show cdp interface [type
number]
- show cdp neighbors [type
number] [detail]
The
cdp run
command is used to enable CDP globally on the router. By default, CDP
is globally enabled. The
cdp enable command is used to
enable CDP on a particular interface. On Cisco IOS Release 10.3 or
higher, CDP is enabled by default on all supported interfaces to send
and receive CDP information. CDP could be enabled on each of the
devices interfaces by using the cdp enable
command.
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Lab Activity
e-Lab Activity: Implementation, Monitoring, and Maintenance of CDP
In this lab, the students will learn some commands associated
with the Cisco Discovery Protocol (CDP) and learn to view some
CDP information. 
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Web Links