H3C LS-3100-52P-OVS-H3 Operation Manual page 122

[DeviceD-mtlk-group1] port gigabitethernet 1/0/1 uplink
[DeviceD-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.
[DeviceD-mtlk-group1] quit
[DeviceD] interface gigabitethernet 1/0/1
[DeviceD-GigabitEthernet1/0/1] smart-link flush enable
[DeviceD-GigabitEthernet1/0/1] quit
[DeviceD] interface gigabitethernet 1/0/2
[DeviceD-GigabitEthernet1/0/2] smart-link flush enable
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