H3C LS-3100-52P-OVS-H3 Operation Manual page 121

[DeviceC] interface gigabitethernet 1/0/1
[DeviceC-GigabitEthernet1/0/1] undo stp enable
[DeviceC-GigabitEthernet1/0/1] quit
[DeviceC] interface gigabitethernet 1/0/2
[DeviceC-GigabitEthernet1/0/2] undo stp enable
[DeviceC-GigabitEthernet1/0/2] quit
[DeviceC] smart-link group 1
# Configure the smart link group to protect all the VLANs mapped to MSTIs 0 through 32.
[DeviceC-smlk-group1] protected-vlan reference-instance 0 to 32
# Configure GigabitEthernet 1/0/1 as the master port and GigabitEthernet 1/0/2 as the slave port.
[DeviceC-smlk-group1] port gigabitethernet 1/0/1 master
[DeviceC-smlk-group1] port gigabitethernet 1/0/2 slave
# Enable the smart link group to transmit flush messages in VLAN 1.
[DeviceC-smlk-group1] flush enable
2) Configuration on Device A
# Configure VLAN 1 as the control VLAN for receiving flush messages on GigabitEthernet 1/0/1 and
GigabitEthernet 1/0/2.
<DeviceA> system-view
[DeviceA] interface gigabitethernet 1/0/1
[DeviceA-GigabitEthernet1/0/1] smart-link flush enable
[DeviceA-GigabitEthernet1/0/1] quit
[DeviceA] interface gigabitethernet 1/0/2
[DeviceA-GigabitEthernet1/0/2] smart-link flush enable
3) Configuration on Device B
# Create monitor link group 1.
<DeviceB> system-view
[DeviceB] monitor-link group 1
# Configure GigabitEthernet 1/0/1 as an uplink port and GigabitEthernet 1/0/2 as a downlink port.
[DeviceB-mtlk-group1] port gigabitethernet 1/0/1 uplink
[DeviceB-mtlk-group1] port gigabitethernet 1/0/2 downlink
# Configure VLAN 1 as the control VLAN for receiving flush messages on GigabitEthernet 1/0/1 and
GigabitEthernet 1/0/2.
[DeviceB-mtlk-group-1] quit
[DeviceB] interface gigabitethernet 1/0/1
[DeviceB-GigabitEthernet1/0/1] smart-link flush enable
[DeviceB-GigabitEthernet1/0/1] quit
[DeviceB] interface gigabitethernet 1/0/2
[DeviceB-GigabitEthernet1/0/2] smart-link flush enable
4) Configuration on Device D
# Create monitor link group 1.
<DeviceD> system-view
[DeviceD] monitor-link group 1
# Configure GigabitEthernet 1/0/1 as the uplink port and GigabitEthernet 1/0/2 as the downlink port.
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