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Basic concepts – H3C Technologies H3C S12500-X Series Switches User Manual

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[DeviceB-Ten-GigabitEthernet1/0/2] dldp enable

[DeviceB-Ten-GigabitEthernet1/0/2] quit

# Set the port shutdown mode to manual.

[DeviceB] dldp unidirectional-shutdown manual

3.

Verify the configuration:
After the configurations are complete, you can use the display dldp command to display the DLDP
configuration globally and on ports.
# Display the DLDP configuration globally and on all the DLDP-enabled ports of Device A.

[DeviceA] display dldp

DLDP global status: Enabled

DLDP advertisement interval: 5s

DLDP authentication-mode: None

DLDP unidirectional-shutdown mode: Manual

DLDP delaydown-timer value: 1s

Number of enabled ports: 2

Interface Ten-GigabitEthernet1/0/1

DLDP port state: Bidirectional

Number of the port’s neighbors: 1

Neighbor MAC address: 0023-8956-3600

Neighbor port index: 1

Neighbor state: Confirmed

Neighbor aged time: 11s

Interface Ten-GigabitEthernet1/0/2

DLDP port state: Bidirectional

Number of the port’s neighbors: 1

Neighbor MAC address: 0023-8956-3600

Neighbor port index: 2

Neighbor state: Confirmed

Neighbor aged time: 12s

The output shows that both Ten-GigabitEthernet 1/0/1 and Ten-GigabitEthernet 1/0/2 are in

Bidirectional state, which means both links are bidirectional.
# Enable the monitoring of logs on the current terminal on Device A, and set the lowest level of the

logs that can be output to the current terminal to 6.

[DeviceA] quit

terminal monitor

terminal logging level 6

The following log information is displayed on Device A:

%Jul 12 08:29:17:786 2013 DeviceA IFNET/3/PHY_UPDOWN:

Ten-GigabitEthernet1/0/1 link status is DOWN.

%Jul 12 08:29:17:787 2013 DeviceA IFNET/5/LINK_UPDOWN: Line protocol on the interface

Ten-GigabitEthernet1/0/1 is DOWN.

%Jul 12 08:29:17:800 2013 DeviceA IFNET/3/PHY_UPDOWN: Ten-GigabitEthernet1/0/2 link

status is DOWN.

%Jul 12 08:29:17:800 2013 DeviceA IFNET/5/LINK_UPDOWN: Line protocol on the interface

Ten-GigabitEthernet1/0/2 is DOWN.