H3C S9500E Series Configuration Manual page 100

Figure 20 Multiple Smart Link groups load sharing configuration
GE4/0/1
GE4/0/1
GE4/0/2
Switch B
Configuration procedure
Configuration on Switch C
1.
Create VLAN 1 through VLAN 200, map VLAN 1 through VLAN 100 to MSTI 0 and VLAN 101
through VLAN 200 to MSTI 2, and activate MST region configuration.
<SwitchC> system-view
[SwitchC] vlan 1 to 200
[SwitchC] stp region-configuration
[SwitchC-mst-region] instance 0 vlan 1 to 100
[SwitchC-mst-region] instance 2 vlan 101 to 200
[SwitchC-mst-region] active region-configuration
Disable STP on ports GigabitEthernet 4/0/1 and GigabitEthernet 4/0/2, configure the ports as
trunk ports, and configure them to allow packets from VLAN 1 through 200 to pass through.
[SwitchC] interface gigabitethernet 4/0/1
[SwitchC-GigabitEthernet4/0/1] stp disable
[SwitchC-GigabitEthernet4/0/1] port link-type trunk
[SwitchC-GigabitEthernet4/0/1] port trunk permit vlan 1 to 200
[SwitchC-GigabitEthernet4/0/1] interface gigabitethernet 4/0/2
[SwitchC-GigabitEthernet4/0/2] stp disable
[SwitchC-GigabitEthernet4/0/2] port link-type trunk
[SwitchC-GigabitEthernet4/0/2] port trunk permit vlan 1 to 200
[SwitchC-GigabitEthernet4/0/2] quit
Create Smart Link group 1, and configure all VLANs mapped to MSTI 0 as the protected VLANs
for Smart Link group 1.
[SwitchC] smart-link group 1
[SwitchC-smlk-group1] protected-vlan reference-instance 0
Switch A
GE4/0/2
GE4/0/1
GE4/0/2
GE4/0/1 GE4/0/2
Switch C
Switch D
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