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

Enable lldp

switch(config)# lldp

Enable lldp on interface

switch (config interface ethernet 1/1) # lldp receive
switch (config interface ethernet 1/1) # lldp transmit

Show Commands to Validate Functionality

show lldp local

Expected Results

  • Step 1: Link status between the peer devices is UP
  • Step 2: LLDP is enabled
  • Step 3: Local device LLDP Information is displayed
  • Step 4: Remote device LLDP information is displayed
  • Step 5: LLDP statistics are displayed

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