# Specify the current device as the root bridge of MSTI 1.
[DeviceA] stp instance 1 root primary
# Enable the spanning tree feature globally.
[DeviceA] stp enable
Configure Device B:
3.
# Enter MST region view, configure the MST region name as example, map VLAN 10, VLAN 30,
and VLAN 40 to MSTI 1, MSTI 3, and MSTI 4, respectively, and configure the revision level of the
MST region as 0.
<DeviceB> system-view
[DeviceB] stp region-configuration
[DeviceB-mst-region] region-name example
[DeviceB-mst-region] instance 1 vlan 10
[DeviceB-mst-region] instance 3 vlan 30
[DeviceB-mst-region] instance 4 vlan 40
[DeviceB-mst-region] revision-level 0
# Activate MST region configuration.
[DeviceB-mst-region] active region-configuration
[DeviceB-mst-region] quit
# Specify the current device as the root bridge of MSTI 3.
[DeviceB] stp instance 3 root primary
# Enable the spanning tree feature globally.
[DeviceB] stp enable
Configure Device C:
4.
# Enter MST region view, configure the MST region name as example, map VLAN 10, VLAN 30,
and VLAN 40 to MSTI 1, MSTI 3, and MSTI 4, respectively, and configure the revision level of the
MST region as 0.
<DeviceC> system-view
[DeviceC] stp region-configuration
[DeviceC-mst-region] region-name example
[DeviceC-mst-region] instance 1 vlan 10
[DeviceC-mst-region] instance 3 vlan 30
[DeviceC-mst-region] instance 4 vlan 40
[DeviceC-mst-region] revision-level 0
# Activate MST region configuration.
[DeviceC-mst-region] active region-configuration
[DeviceC-mst-region] quit
# Specify the current device as the root bridge of MSTI 4.
[DeviceC] stp instance 4 root primary
# Enable the spanning tree feature globally.
[DeviceC] stp enable
Configure Device D:
5.
# Enter MST region view, configure the MST region name as example, map VLAN 10, VLAN 30,
and VLAN 40 to MSTI 1, MSTI 3, and MSTI 4, respectively, and configure the revision level of the
MST region as 0.
<DeviceD> system-view
[DeviceD] stp region-configuration
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