Reference Guide

Example of Viewing LLDP Global Configurations
R1(conf)#protocol lldp
R1(conf-lldp)#show config
!
protocol lldp
advertise dot1-tlv port-protocol-vlan-id port-vlan-id
advertise dot3-tlv max-frame-size
advertise management-tlv system-capabilities system-description
hello 10
no disable
R1(conf-lldp)#
Example of Viewing LLDP Interface Configurations
R1(conf-lldp)#exit
R1(conf)#interface gigabitethernet 1/31
R1(conf-if-gi-1/31)#show config
!
interface GigabitEthernet 1/31
no ip address
switchport
no shutdown
R1(conf-if-gi-1/31)#protocol lldp
R1(conf-if-gi-1/31-lldp)#show config
!
protocol lldp
R1(conf-if-gi-1/31-lldp)#
Viewing Information Advertised by Adjacent LLDP Agents
To view brief information about adjacent devices or to view all the information that neighbors are advertising, use the
following commands.
• Display brief information about adjacent devices.
show lldp neighbors
• Display all of the information that neighbors are advertising.
show lldp neighbors detail
Example of Viewing Brief Information Advertised by Neighbors
R1(conf-if-gi-1/31-lldp)#end
R1(conf-if-gi-1/31)#do show lldp neighbors
Loc PortID Rem Host Name Rem Port Id Rem Chassis Id
-------------------------------------------------------------------------
Gi 1/21 - GigabitEthernet 2/11 00:01:e8:06:95:3e
Gi 1/31 - GigabitEthernet 3/11 00:01:e8:09:c2:4a
Example of Viewing Details Advertised by Neighbors
R1#show lldp neighbors detail
========================================================================
Local Interface Gi 1/21 has 1 neighbor
Total Frames Out: 6547
Total Frames In: 4136
Total Neighbor information Age outs: 0
Total Frames Discarded: 0
Total In Error Frames: 0
Total Unrecognized TLVs: 0
Total TLVs Discarded: 0
Next packet will be sent after 7 seconds
The neighbors are given below:
504