Configuring LLDP Neighbor MAC Address for LLDP Session

Updated on 24 Apr 2023
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Enable the LLDP module in both switches.

your product# configure terminal
your product(config)# set lldp enable

Configure the destination MAC address.

your product(config)# interface gigabitethernet 0/1
your product(config-if)# lldp dest-mac 00:02:02:03:04:01

Verify the Destination MAC using the following command.

your product# show lldp interface gigabitethernet 0/1

Gi0/1:
Tx State : Enabled
Rx State : Enabled
Tx SEM State : IDLE
Rx SEM State : WAIT FOR FRAME
Notification Status : Disabled
Notification Type : Mis-configuration
DestinationMacAddr : 00:02:02:03:04:01

Unmap the MAC address.

your product(config)# interface gigabitethernet 0/1
your product(config-if)# no lldp dest-mac

Verify the output using the show command; the multicast MAC will be reset to its default value.

your product# show lldp interface gigabitethernet 0/1

Gi0/1:
Tx State : Enabled
Rx State : Enabled
Tx SEM State : IDLE
Rx SEM State : WAIT FOR FRAME
Notification Status : Disabled
Notification Type : Mis-configuration
DestinationMacAddr : 01:80:c2:00:00:0e

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LLDP Commands