Cisco CISCO1401 Software Guide - Page 187
Monitoring and Maintaining CDP
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Chapter 15 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 clear cdp counters clear cdp table show cdp show cdp entry entry-name [protocol | version] show cdp interface [type number] show cdp neighbors [type number] [detail] show cdp traffic Description Reset the traffic counters to zero. Delete the CDP table of information about neighbors. Display global information, such as frequency of transmissions and the holdtime for packets being sent. 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. Display information about interfaces where CDP is enabled. You can limit the display to the type of interface or the number of the interface about which you want information (for example, entering gigabitethernet 0/1 displays information only about Gigabit Ethernet port 1). Display information about neighbors, including device type, interface type and 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. Display CDP counters, including the number of packets sent and received and checksum errors. Below are six examples of output from the CDP show privileged EXEC commands: bridge# show cdp Global CDP information: Sending CDP packets every 50 seconds Sending a holdtime value of 120 seconds bridge# show cdp entry Device ID: bridge Entry address(es): IP address: 10.1.1.66 Platform: cisco WS-C3550-12T, Capabilities: Switch IGMP Interface: GigabitEthernet0/2, Port ID (outgoing port): GigabitEthernet0/2 Holdtime : 129 sec Version : Cisco Internetwork Operating System Software IOS (tm) C3550 Software (C3550-I5Q3L2-M), Experimental Version 12.1(20010612:021 316) [jang-flamingo 120] Copyright (c) 1986-2001 by cisco Systems, Inc. Compiled Fri 06-Jul-01 18:18 by jang advertisement version: 2 OL-4059-01 Cisco Aironet 1400 Series Wireless Bridges Software Configuration Guide 15-5
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