BigIron RX Series Configuration Guide 101553-1001810-01Reading CDP packets 37Syntax: show fdp interface [ethernet <slot>/<portnum>]The ethernet <slot>/<portnum> parameter lists the information only for the specified interface.Displaying FDP and CDP statisticsTo display FDP and CDP packet statistics, enter the following command.Syntax: show fdp trafficClearing FDP and CDP informationYou can clear the following FDP and CDP information:• Information received in FDP and CDP updates• FDP and CDP statisticsThe same commands clear information for both FDP and CDP.Clearing FDP and CDP neighbor informationTo clear the information received in FDP and CDP updates from neighboring devices, enter thefollowing command.BigIron RX# clear fdp tableSyntax: clear fdp tableNOTEThis command clears all the updates for FDP and CDP.Clearing FDP and CDP statisticsTo clear FDP and CDP statistics, enter the following command.BigIron RX# clear fdp countersSyntax: clear fdp countersReading CDP packetsCisco Discovery Protocol (CDP) packets are used by Cisco devices to advertise themselves to otherCisco devices. By default, a BigIron RX forwards these packets without examining their contents.You can configure a BigIron RX to intercept and display the contents of CDP packets. This feature isuseful for learning device and interface information for Cisco devices in the network.BigIron RX supports intercepting and interpreting CDP version 1 and 2 packets.BigIron RXA# show fdp trafficCDP/FDP counters:Total packets output: 6, Input: 5Hdr syntax: 0, Chksum error: 0, Encaps failed: 0No memory: 0, Invalid packet: 0, Fragmented: 0Internal errors: 0
