H3C Technologies H3C S10500 Series Switches - Manual (Page 118)

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Figure 27 Network diagram for multiple smart link groups load sharing configuration
Device A
Device D Device B
GE
1/0
/1
GE
1/0
/2
GE
1/0
/1 GE
1/0
/1
GE
1/0
/2 GE
1/0
/2
Device C
GE
1/0
/1
GE
1/0
/2
Configuration procedure
1. Configure Device C.
# Create VLAN 1 through VLAN 200. Map VLANs 1 through 100 to MSTI 1. Map VLANs 101 through
200 to MSTI 2, and activate MST region configuration.
system-view
[DeviceC] vlan 1 to 200
[DeviceC] stp region-configuration
[DeviceC-mst-region] instance 1 vlan 1 to 100
[DeviceC-mst-region] instance 2 vlan 101 to 200
[DeviceC-mst-region] active region-configuration
[DeviceC-mst-region] quit
# Shut down GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2, disable the spanning tree feature on
GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 separately, configure the ports as trunk ports, and
assign them to VLAN 1 through VLAN 200.
[DeviceC] interface gigabitethernet 1/0/1
[DeviceC-GigabitEthernet1/0/1] shutdown
[DeviceC-GigabitEthernet1/0/1] undo stp enable
[DeviceC-GigabitEthernet1/0/1] port link-type trunk
[DeviceC-GigabitEthernet1/0/1] port trunk permit vlan 1 to 200
[DeviceC-GigabitEthernet1/0/1] quit
[DeviceC] interface gigabitethernet 1/0/2
[DeviceC-GigabitEthernet1/0/2] shutdown
[DeviceC-GigabitEthernet1/0/2] undo stp enable
[DeviceC-GigabitEthernet1/0/2] port link-type trunk
[DeviceC-GigabitEthernet1/0/2] port trunk permit vlan 1 to 200
[DeviceC-GigabitEthernet1/0/2] quit
# Create smart link group 1, and configure all VLANs mapped to MSTI 1 as the protected VLANs for
smart link group 1.
[DeviceC] smart-link group 1
[DeviceC-smlk-group1] protected-vlan reference-instance 1
# Configure GigabitEthernet 1/0/1 as the master port and GigabitEthernet 1/0/2 as the slave port for
smart link group 1.
[DeviceC-smlk-group1] port gigabitethernet1/0/1 master