H3C S9500E Series Configuration Manual page 97

•
Configure Smart Link on the switches for uplink backup, using VLAN 1 (the default) for flush
update.
Figure 19 Single Smart Link group configuration
Configuration procedure
Configuration on Switch C
1.
Disable STP on related ports.
<SwitchC> system-view
[SwitchC] interface gigabitethernet 4/0/1
[SwitchC-GigabitEthernet4/0/1] stp disable
[SwitchC-GigabitEthernet4/0/1] interface gigabitethernet 4/0/2
[SwitchC-GigabitEthernet4/0/2] stp disable
[SwitchC-GigabitEthernet4/0/2] quit
Create Smart Link group 1 and configure all VLANs mapped to MSTIs 0 through 15 as the
protected VLANs.
[SwitchC] smart-link group 1
[SwitchC-smlk-group1] protected-vlan reference-instance 0 to 15
Configure GigabitEthernet 4/0/1 as the master port and GigabitEthernet 4/0/2 as the
subordinate port of Smart Link group 1.
[SwitchC-smlk-group1] port gigabitethernet4/0/1 master
[SwitchC-smlk-group1] port gigabitethernet4/0/2 slave
Enable flush message sending in Smart Link group 1.
[SwitchC-smlk-group1] flush enable
[SwitchC-smlk-group1] quit
Configuration on Switch E
2.
Disable STP on related ports.
<SwitchE> system-view
[SwitchE] interface gigabitethernet 4/0/1
[SwitchE-GigabitEthernet4/0/1] stp disable
97