40
%Jul 11 17:43:02:357 2014 DeviceA IFNET/3/PHY_UPDOWN: Ten-GigabitEthernet1/0/2 link
status is UP.
%Jul 11 17:43:02:362 2014 DeviceA DLDP/6/DLDP_NEIGHBOR_CONFIRMED: A neighbor was
confirmed on interface Ten-GigabitEthernet1/0/2. The neighbor's system MAC is
0023-8956-3600, and the port index is 2.
%Jul 11 17:43:02:362 2014 DeviceA DLDP/6/DLDP_LINK_BIDIRECTIONAL: DLDP detected a
bidirectional link on interface Ten-GigabitEthernet1/0/2.
%Jul 11 17:43:02:368 2014 DeviceA IFNET/5/LINK_UPDOWN: Line protocol on the interface
Ten-GigabitEthernet1/0/2 is UP.
The output shows that the port status and link status of both Ten-GigabitEthernet 1/0/1 and
Ten-GigabitEthernet 1/0/2 are now up and their DLDP neighbors are determined.
Manually shutting down unidirectional links
Network requirements
As shown in Figure 11, Device A and Device B are connected with two fiber pairs.
Configure DLDP to detect unidirectional links. When a unidirectional link is detected, the
administrator must manually shut down the port.
Figure 11 Network diagram
Configuration procedure
1. Configure Device A:
# Enable DLDP globally.
<DeviceA> system-view
[DeviceA] dldp enable
# Configure Ten-GigabitEthernet 1/0/1 to operate in full duplex mode and at 10000 Mbps, and
enable DLDP on the port.
[DeviceA] interface ten-gigabitethernet 1/0/1
[DeviceA-Ten-GigabitEthernet1/0/1] duplex full
[DeviceA-Ten-GigabitEthernet1/0/1] speed 10000
[DeviceA-Ten-GigabitEthernet1/0/1] dldp enable
[DeviceA-Ten-GigabitEthernet1/0/1] quit
# Configure Ten-GigabitEthernet 1/0/2 to operate in full duplex mode and at 10000 Mbps, and
enable DLDP on the port.
[DeviceA] interface ten-gigabitethernet 1/0/2
[DeviceA-Ten-GigabitEthernet1/0/2] duplex full
[DeviceA-Ten-GigabitEthernet1/0/2] speed 10000
[DeviceA-Ten-GigabitEthernet1/0/2] dldp enable
[DeviceA-Ten-GigabitEthernet1/0/2] quit
# Set the port shutdown mode to manual.
[DeviceA] dldp unidirectional-shutdown manual
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