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Displaying and maintaining LLDP
Display the global LLDP
information or the information
contained in the LLDP TLVs to be
sent through a port
display lldp local-information [ global |
interface interface-type interface-number ] [ |
{ begin | exclude | include } regular-
expression ]
Display the information contained
in the LLDP TLVs sent from
neighboring devices
display lldp neighbor-information [ brief |
interface interface-type interface-number [
brief ] | list [ system-name system-name ] ] [
| { begin | exclude | include } regular-
expression ]
display lldp statistics [ global | interface
interface-type interface-number ] [ | { begin
| exclude | include } regular-expression ]
Display LLDP status of a port
display lldp status [ interface interface-type
interface-number ] [ | { begin | exclude |
include } regular-expression ]
Display types of advertisable
optional LLDP TLVs
display lldp tlv-config [ interface interface-
type interface-number ] [ | { begin | exclude
| include } regular-expression ]
LLDP configuration examples
Basic LLDP configuration example
Network requirements
As shown in Figure 57, the NMS and Switch A are located in the same Ethernet. An MED device and
Switch B are connected to GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 of Switch A.
Enable LLDP on the ports of Switch A and Switch B to monitor the link between Switch A and Switch B
and the link between Switch A and the MED device on the NMS.
Figure 57 Network diagram for basic LLDP configuration
NMS
Switch A
MED
Switch B
GE1/0/2
GE1/0/1
GE1/0/1
Configuration procedure
1. Configure Switch A
# Enable LLDP globally. (You can skip this step because LLDP is enabled globally by default.)
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