3Com Switch 4800G 24-Port - Displaying and Maintaining DLDP; DLDP Configuration Example

Displaying and Maintaining DLDP 193
Resetting DLDP State After a unidirectional link is detected, DLDP shuts down the corresponding port.
To enable the port to perform DLDP detect again, you can reset DLDP state for it.
A port can be in different state after you reset DLDP state for it. That is, it can be in
Inactive state (if the port is physically down) or in Active state (if the port is
physically up) after you reset DLDP state for it.
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CAUTION:
■ The configuration of resetting DLDP state performed in system view applies to
all the ports shut down by DLDP.
■ The configuration of resetting DLDP state performed in port view or port group
view applies to the current port or all the ports in the port group shut down by
DLDP.
Resetting DLDP State in System view
Follow these steps to reset DLDP in system view:
Resetting DLDP State in Port view/Port Group View
Follow these steps to reset DLDP state in port view/port group view:
Displaying and
Maintaining DLDP
DLDP Configuration
Example
DLDP Configuration
Example
Network requirements
■ Device A and Device B are connected through two fiber pairs, in which two
fibers are cross-connected, as shown in Figure 52.
To do… Use the command… Remarks
Enter system view system-view -
Reset DLDP state dldp reset Required
To do… Use the command… Remarks
Enter system view system-view -
Enter
Ethernet
port
view/port
group view
Enter
Ethernet
port view
interface interface-type
interface-number
Either is required.
The configuration performed in
Ethernet port view applies to the
current port only; the
configuration performed in port
group view applies to all the
ports in the port group.
Enter port
group view
port-group { aggregation
agg-id | manual
port-group-name }
Reset DLDP state dldp reset Required
To do… Use the command… Remarks
Display the DLDP configuration
of a port
display dldp [ interface-type
interface-number ]
Available in any view
Display the statistics on DLDP
packets passing through a port
display dldp statistics
[ interface-type interface-number ]
Available in any view
Clear the statistics on DLDP
packets passing through a port
reset dldp statistics [ interface-type
interface-number ]
Available in user view