H3C S5100-SI Operation Manual page 769

Network diagram
Figure 1-3 Network diagram for Smart Link configuration
Configuration procedure
1) Configure a smart link group on Switch A and configure member ports for it. Enable the function of
sending flush messages in Control VLAN 1.
# Enter system view.
<switchA> system-view
# Enter Ethernet port view. Disable STP on GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2.
[SwitchA] interface GigabitEthernet 1/0/1
[SwitchA-GigabitEthernet1/0/1] stp disable
[SwitchA-GigabitEthernet1/0/1] quit
[SwitchA] interface GigabitEthernet 1/0/2
[SwitchA-GigabitEthernet1/0/2] stp disable
# Return to system view.
[SwitchA-GigabitEthernet1/0/2] quit
# Create smart link group 1 and enter the corresponding smart link group view.
[SwitchA] smart-link group 1
# Configure GigabitEthernet 1/0/1 as the master port and GigabitEthernet 1/0/2 as the slave port for
smart link group 1.
[SwitchA-smlk-group1] port GigabitEthernet 1/0/1 master
[SwitchA-smlk-group1] port GigabitEthernet 1/0/2 slave
# Configure to send flush messages within VLAN 1.
[SwitchA-smlk-group1] flush enable control-vlan 1
2) Enable the function of processing flush messages received from VLAN 1 on Switch C.
# Enter system view.
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