Specifications

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Cisco MWR 2941 Mobile Wireless Edge Router Release 3.5 Software Configuration Guide, Cisco IOS Release 15.1(3)MR
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Chapter 27 Configuring Cisco Discovery Protocol
Monitoring and Maintaining CDP
This example shows how to change a UNI to an ENI and enable CDP on the port.
Router# configure terminal
Router(config)# interface fastethernet0/1
Router(config-if)# cdp enable
Router(config-if)# end
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 Resets the traffic counters to zero.
clear cdp table Deletes the CDP table of information about neighbors.
show cdp Displays global information, such as frequency of transmissions and the holdtime
for packets being sent.
show cdp entry
entry-name
[protocol
| version]
Displays 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] Displays 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]
Displays information about neighbors, including device type, interface type and
number, holdtime settings, capabilities, platform, and port ID.
You can limit the display to neighbors of a specific interface or expand the display
to provide more detailed information.
show cdp traffic Displays CDP counters, including the number of packets sent and received and
checksum errors.