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Catalyst2950 and Catalyst2955 Switch Software Configuration Guide
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Chapter24 Configuring CDP Monitoring and Maintaining CDP
Monitoring and Maintaining CDP
To monitor and maintain CDP on your device, perform one or more of these tasks, beginning in
privileged EXEC mode.
Command Description
clear cdp counters Reset the traffic counters to zero.
clear cdp table Delete the CDP table of information about neighbors.
show cdp Display global information, such as freque n cy of transmissions and the holdtime
for packets being sent.
show cdp entry entry-name
[protocol |version]Display information about a specific neighbor.
You can enter an asterisk (*) to display all CDP neighbors, or you can enter the
name of the neighbor about which you want information.
You can also limit the display to information about the protocols enabled on the
specified neighbor or information about the version of software running on the
device.
show cdp interface [interface-id] Display information about interfaces where CDP is enabled.
You can limit the display to the interface about which you want information.
show cdp neighbors [interface-id]
[detail]Display information about neighbors, including device type, inte rface ty pe a nd
number, holdtime settings, capabilities, platform, and port ID.
You can limit the display to neighbors on a specific type or number of interface
or expand the display to provide more detailed information.
show cdp traffic Display CDP counters, including the number of packets sent and received and
checksum errors.