Clearing Fdp And Cdp Information - Brocade Communications Systems FastIron Administration Manual

Platform: FastIron Router,
Interface: Eth 2/9
Port ID (outgoing port): Eth 2/9 is TAGGED in following VLAN(s):
9 10 11
Holdtime : 176 seconds
Version :
Foundry, Inc. Router, IronWare Version 07.6.01b1T53 Compiled on Aug 29
2002 at 10:35:21 labeled as B2R07601b1
Syntax: show fdp entry * | device-id
The * | device-id parameter specifies the device ID. If you enter * , the detailed updates for all neighbor
devices are displayed. If you enter a specific device ID, the update for that device is displayed. For
information about the display, refer to
Displaying FDP information for an interface
To display FDP information for an interface, enter a command such as the following.
deviceA# show fdp interface ethernet 2/3
FastEthernet2/3 is up, line protocol is up
Encapsulation ethernet
Sending FDP packets every 5 seconds
Holdtime is 180 seconds
This example shows information for Ethernet port 2/3. The port sends FDP updates every 5 seconds.
Neighbors that receive the updates can hold them for up to 180 seconds before discarding them.
Syntax: show fdp interface [ ethernet port ]
The ethernet port parameter lists the information only for the specified interface.
Displaying FDP and CDP statistics
To display FDP and CDP packet statistics, enter the following command.
deviceA# show fdp traffic
CDP/FDP counters:
Total packets output: 6, Input: 5
Hdr syntax: 0, Chksum error: 0, Encaps failed: 0
No memory: 0, Invalid packet: 0, Fragmented: 0
Internal errors: 0
Syntax: show fdp traffic

Clearing FDP and CDP information

You can clear the following FDP and CDP information:
• Information received in FDP and CDP updates
• FDP and CDP statistics
The same commands clear information for both FDP and CDP.
Clearing FDP and CDP neighbor information
To clear the information received in FDP and CDP updates from neighboring devices, enter the
following command.
device# clear fdp table
Syntax: clear fdp table
FastIron Ethernet Switch Administration Guide
53-1003625-01
Displaying FDP information for an interface
Capabilities: Router
Displaying neighbor information on page 165.
167