FDP IN BROCADE – CISCO EQUIVALENT OF CDP

FDP (Foundry Discovery Protocol) is Foundry/Brocade proprietary data link layer protocol just like CDP is proprietary for Cisco. Although Foundry Networks was acquired by Brocade Communications Systems, the protocol is still supported.

A device running FDP running devices send FDP updates on Layer 2 to MAC address 01-E0-52-CC-CC-CC. Other FDP devices listening on that address receive the updates and can display the information.

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The Foundry Discovery Protocol (FDP) enables Brocade devices to advertise themselves to other Brocade devices on the network. When you enable FDP on a Brocade device, the device periodically advertises information including the following:

  • Hostname (device ID)
  • Device platform and capability
  • Device OS version
  • VLAN and Layer 3 protocol address information for the port sending the update.

CONFIGURING FDP

Enabling FDP at the Global level –

To enable FDP globally on Brocade device level ,below command at the global CONFIG level needs to be issued –

DeviceA(config)# fdp run

The feature is disabled by default

Enabling FDP at the interface level

You can enable FDP at the interface level by entering the following commands.

DeviceA (config)# int e 1/1DeviceA (config-if-e10000-1/1)# fdp enable

 

Changing the FDP update & Hold timers

To change the update timer to 120 seconds , issue below command –

DeviceA (config)# fdp timer 120
Note – Default FDP update timer is 60 seconds

To change the holdtime to 255 seconds , issue below command –

DeviceA (config)# fdp holdtime 255

DISPLAYING FDP INFORMATION

 

Displaying FDP entries

We can display the following FDP information:

  • FDP entries for neighbors
  • FDP entries for individual devices
  • FDP information for an interface on the device you are managing
  • FDP packet statistics

To display the detailed neighbor information for a specific device, enter a command such as the following.

DeviceA # show fdp entry device
Displaying neighbor information

To display a summary of all the neighbors that have sent FDP updates to this device, enter the following command.

DeviceA# show fdp neighbor
To display detailed information, enter the following command.
DeviceA# show fdp neighbor detail
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 1/3
Displaying FDP and CDP statistics

To display FDP and CDP packet statistics, enter the following command.

DeviceA# show fdp traffic

CLEARING FDP

To clear the information received in FDP and CDP updates from neighboring devices, enter the following command.

DeviceA# clear fdp table
Clearing FDP statistics –
DeviceA# clear fdp counters
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