Configuring LLDP trapping
LLDP trapping notifies the network management system (NMS) of events such as newly-detected
neighboring devices and link malfunctions.
To prevent excessive LLDP traps from being sent when the topology is unstable, you can set a minimum
trap sending interval for LLDP.
Follow these steps to configure LLDP trapping:
To do… Use the command… Remarks
Enter system view system-view —
Enter Layer 2 Ethernet
interface view
interface interface-type interface-number
Enter Ethernet
interface view
or port group
view
Enter port group view
port-group manual port-group-name
Required
Use either command.
Enable LLDP trapping lldp notification remote-change enable
Required
Disabled by default
Quit to system view quit —
Set the interval to send LLDP traps lldp timer notification-interval interval
Optional
5 seconds by default
Displaying and maintaining LLDP
To do… Use the command… Remarks
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 ]
Available in any view
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 ]
Available in any view
Display LLDP statistics
display lldp statistics [ global | interface
interface-type interface-number ] [ | { begin |
exclude | include } regular-expression ]
Available in any view
Display LLDP status of a port
display lldp status [ interface interface-type
interface-number ] [ | { begin | exclude |
include } regular-expression ]
Available in any view
Display types of advertisable
optional LLDP TLVs
display lldp tlv-config [ interface
interface-type interface-number ] [ | { begin |
exclude | include } regular-expression ]
Available in any view
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