Operation Manual

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8.7 Application Example for DLDP
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Network requirements
1. Device A and Device B are connected through two fiber pairs, which are cross-connected,
as shown in Figure 8-13.
2. The unidirectional link should be disconnected once being detected, and the ports shut
down by DLDP can be restored after the fiber pairs are correctly connected.

Network Diagram
Figure 8-13 DLDP Application Example

Configuration Procedure
Step
Operation
Description
1 Enable DLDP globally. Required. On the Ethernet OAM→DLDP→DLDP page,
configure DLDP State as enable under the Global Config
tab in device A and B.
2
Enable DLDP on the
specified ports.
Required. On the Ethernet OAM→DLDP→DLDP page,
configure DLDP State as enable on Gigabit Ethernet
ports 1/0/27 and 1/0/28 in the Port Config table in device
A and device B.
3 Configure Shut Mode. Required. On the Ethernet OAM→DLDP→DLDP page,
configure the Shut Mode as auto under the Global Config
tab in device A and B.
4
Check the ports’
state.
Required. On the Ethernet OAM→DLDP→DLDP page,
select ports 1/0/27 and 1/0/28 in the Port Config table
and click the Reset button to bring them up.
The DLDP information of Gigabit Ethernet ports 1/0/27 and 1/0/28 is shown below: