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View all the LLDP TLV information including unrecognized TLVs, using the snmpwalk and snmpget commands.
For more details, see MIB Support to Display Unrecognized LLDP TLVs.
Viewing the LLDP Conguration
To view the LLDP conguration, use the following command.
Display the LLDP conguration.
CONFIGURATION mode or INTERFACE mode
show config
Examples of Viewing LLDP Congurations
Dell(conf)#protocol lldp
Dell(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
Dell(conf-lldp)#
Dell(conf-lldp)#exit
Dell(conf)#interface Tengigabitethernet 1/31
Dell(conf-if-Te-1/31)#show config
!
interface TenGigabitEthernet 1/31
no ip address
switchport
no shutdown
Dell(conf-if-Te-1/31)#protocol lldp
Dell(conf-if-Te-1/31-lldp)#show config
!
protocol lldp
Dell(conf-if-Te-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-te-1/31-lldp)#end
R1(conf-if-te-1/31)#do show lldp neighbors
Loc PortID Rem Host Name Rem Port Id Rem Chassis Id
-------------------------------------------------------------------------
Te 1/21 - TenGigabitEthernet 2/11 00:01:e8:06:95:3e
Te 1/31 - TenGigabitEthernet 3/11 00:01:e8:09:c2:4a
Example of Viewing Details Advertised by Neighbors
R1#show lldp neighbors detail
=========================================================
542
Link Layer Discovery Protocol (LLDP)