1-48# Specify Switch A as the root bridge of MSTI 1.[Sysname] stp instance 1 root primary2) Configure Switch B# Enter MST region view. system-view[Sysname] stp region-configuration# Configure the region name, VLAN-to-instance mapping table, and revision level for the MST region.[Sysname-mst-region] region-name example[Sysname-mst-region] instance 1 vlan 10[Sysname-mst-region] instance 3 vlan 30[Sysname-mst-region] instance 4 vlan 40[Sysname-mst-region] revision-level 0# Activate the settings of the MST region manually.[Sysname-mst-region] active region-configuration# Specify Switch B as the root bridge of MSTI 3.[Sysname] stp instance 3 root primary3) Configure Switch C.# Enter MST region view. system-view[Sysname] stp region-configuration# Configure the MST region.[Sysname-mst-region] region-name example[Sysname-mst-region] instance 1 vlan 10[Sysname-mst-region] instance 3 vlan 30[Sysname-mst-region] instance 4 vlan 40[Sysname-mst-region] revision-level 0# Activate the settings of the MST region manually.[Sysname-mst-region] active region-configuration# Specify Switch C as the root bridge of MSTI 4.[Sysname] stp instance 4 root primary4) Configure Switch D# Enter MST region view. system-view[Sysname] stp region-configuration# Configure the MST region.[Sysname-mst-region] region-name example[Sysname-mst-region] instance 1 vlan 10[Sysname-mst-region] instance 3 vlan 30[Sysname-mst-region] instance 4 vlan 40[Sysname-mst-region] revision-level 0# Activate the settings of the MST region manually.[Sysname-mst-region] active region-configuration
