LLDP is used to advertise the device’s identity and abilities and read other devices connected to the same network.
NOTELLDP is enabled by default.
Enable an interface to receive or transmit LLDP packets:
switch(config-if)# lldp <receive|transmit>
Show commands to validate functionality:
show lldp [local-device|neighbor-info|statistics]
show lldp configuration
LLDP Global Configuration:
LLDP Enabled :Yes
LLDP Transmit Interval :30
LLDP Hold time Multiplier :4
LLDP Transmit Delay Interval:2
LLDP Reinit time Interval :2
Optional TLVs configured:
Management Address
Port description
Port VLAN-ID
System capabilities
System description
System name
LLDP Port Configuration:
Port Tx-Enabled Rx-Enabled
1/1/1 Yes Yes
...
show lldp local-device
Global Data
---------------
Chassis-id
60
Total Packets transmitted : 198
Total Packets received : 170
Total Packet received and discarded : 0
Total TLVs unrecognized : 0
LLDP Port Statistics:
Port-ID Tx-Packets Rx-packets Rx-discarded TLVs-Unknown
1/1/1 70 43 0 0
1/1/3 70 70 0 0