3Com 4210G Series, Configuration Manual, Page: 123 / 1133

5-13
To do… Use the command… Remarks
Enable LLDP trap sending
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
]
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
] ]
Available in any view
Display LLDP statistics
display lldp statistics
[
global
|
interface interface-type
interface-number
]
Available in any view
Display LLDP status of a port
display lldp status
[
interface
interface-type interface-number
]
Available in any view
Display types of advertisable
optional LLDP TLVs
display lldp tlv-config
[
interface
interface-type interface-number
]
Available in any view
LLDP Configuration Examples
Basic LLDP Configuration Example
Network requirements
As shown in Figure 5-4 , 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 5-4
Network diagram for basic LLDP configuration
NMS
Switch A
MED
Switch B
GE1/0/2
GE1/0/1
GE1/0/1