The Cisco Discovery Protocol (CDP) is a proprietary layer 2 network protocol developed by Cisco Systems that runs on most Cisco equipment and is used to share information about other directly connected Cisco equipment such as the operating system version and IP address.
Globally
(config)# cdp run
(config)# no cdp run
Interface
To disable,
(config-if)# no cdp enable
To enable,
(config-if)# cdp enable
Additional Commands
# show cdp
# show cdp neighbor detail
# show cdp neighbor
# show cdp interface
(config)# cdp timer 45
(config)# cdp holdtime 60
Rick Donato is a Network Automation Architect/Evangelist and the founder of Packet Coders.
Latest posts by Rick Donato (see all)
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