Link Layer Discovery Protocol (LLDP)

LLDP is used to advertise the device’s identity and abilities and read other devices connected to the same network.

Note: LLDP is enabled by default.

Relevant configuration

(switch(config)#) Enable LLDP.

lldp

(switch (config interface ethernet 1/1) #) Enable LLDP on interface.

lldp receive
lldp transmit

Show commands to validate functionality

show lldp local

Expected results

  • Link status between the peer devices is UP
  • LLDP is enabled
  • Local device LLDP Information is displayed
  • Remote device LLDP information is displayed
  • LLDP statistics are displayed

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