3Com 4210 PWR Configuration Manual page 186

184 C 14: MSTP C
HAPTER ONFIGURATION
[4210-mst-region] active region-configuration
# Specify Switch B as the root bridge of spanning tree instance 3.
[4210] stp instance 3 root primary
3 Configure Switch C.
# Enter MST region view.
<4210> system-view
[4210] stp region-configuration
# Configure the MST region.
[4210-mst-region] region-name example
[4210-mst-region] instance 1 vlan 10
[4210-mst-region] instance 3 vlan 30
[4210-mst-region] instance 4 vlan 40
[4210-mst-region] revision-level 0
# Activate the settings of the MST region manually.
[4210-mst-region] active region-configuration
# Specify Switch C as the root bridge of spanning tree instance 4.
[4210] stp instance 4 root primary
4 Configure Switch D
# Enter MST region view.
<4210> system-view
[4210] stp region-configuration
# Configure the MST region.
[4210-mst-region] region-name example
[4210-mst-region] instance 1 vlan 10
[4210-mst-region] instance 3 vlan 30
[4210-mst-region] instance 4 vlan 40
[4210-mst-region] revision-level 0
# Activate the settings of the MST region manually.
[4210-mst-region] active region-configuration