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Network diagram
Figure 1-9 Network diagram for MSTP configuration
The word “permit” shown in Figure 1-9 means the corresponding link permits packets of specific
VLANs.
Configuration procedure
1) Configure Switch A
# Enter MST region view.
<Sysname> 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 A as the root bridge of MSTI 1.
[Sysname] stp instance 1 root primary
2) Configure Switch B
# Enter MST region view.
<Sysname> 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
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