Configure LLDP

Question 1

Show LLDP timer values

Answer 1

show lldp

Question 2

Enable LLDP globally

Answer 2

(config)#lldp run

Question 3

What are the LLDP timers

Answer 3

1. Advertisement - How often LLDP messages are sent
2. Hold time - How long an LLDP neighbor entry is kept without receiving a LLDP message
3. Reinitialisation delay - How long to delay sending LLDP messages when LLDP is enabled

Question 4

Show devices that are connected in LLDP

Answer 4

show lldp neighbors
show lldp neighbors detail

Question 5

Show information about interfaces that LLDP is running on

Answer 5

show lldp interface

Question 6

Change the LLDP advertisement interval (sending interval) to 10 seconds

Answer 6

(config)# lldp timer 10

Question 7

Change the LLDP hold time to 20 seconds

Answer 7

(config)# lldp holdtime 20

Question 8

Enable LLDP transmission on an inteface

Answer 8

(config-if)# lldp transmit

Question 9

Enable LLDP reception on an interface

Answer 9

(config-if)# lldp receive

Question 10

Show LLDP information for interface FastEthernet 0/1

Answer 10

show lldp interface fa0/1

Will only tell you if it’s enabled (Tx,Rx) on the interface will not tell you what neighbor is connected to the interface.

Question 11

Show LLDP information for a specific neighbor connected on FastEthernet 0/1

Answer 11

show lldp neighbor fa0/1

You can’t specify a neighbor with a hostname in LLDP. You can only check interfaces local to the device and it will tell you information about the neighbor connected to it.