H3C S5120-EI Series - Manually Shutting down Unidirectional Links

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%Jan 18 17:47:35:894 2013 DeviceA IFNET/3/LINK_UPDOWN: GigabitEthernet1/0/50 link
status is UP.
The output shows that the link status of both GigabitEthernet 1/0/49 and GigabitEthernet 1/0/50
is now up.
Manually shutting down unidirectional links
Network requirements
• As shown in Figure 10, Device A and Device B are connected with two fiber pairs.
• Configure DLDP to send information when a unidirectional link is detected, to remind the network
administrator to manually shut down the faulty port.
Figure 10 Network diagram
Configuration procedure
1. Configure Device A:
# Enable DLDP globally.
<DeviceA> system-view
[DeviceA] dldp enable
# Configure GigabitEthernet 1/0/49 to operate in full duplex mode and at 1000 Mbps, and
enable DLDP on the port.
[DeviceA] interface gigabitethernet 1/0/49
[DeviceA-GigabitEthernet1/0/49] duplex full
[DeviceA-GigabitEthernet1/0/49] speed 1000
[DeviceA-GigabitEthernet1/0/49] dldp enable
[DeviceA-GigabitEthernet1/0/49] quit