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78 CHAPTER 14: MSTP CONFIGURATION GUIDE
Applicable Products
Configuration Procedure
1 Configuration on Switch A
# Enter MST region view.
<3Com> system-view
[3Com] stp region-configuration
# Configure the region name, VLAN-to-MSTI mapping, and revision level of the
MST region.
[3Com-mst-region] region-name example
[3Com-mst-region] instance 1 vlan 10
[3Com-mst-region] instance 3 vlan 30
[3Com-mst-region] instance 4 vlan 40
[3Com-mst-region] revision-level 0
# Activate the MST region configuration manually.
[3Com-mst-region] active region-configuration
# Specify Switch A as the root bridge of MSTI 1.
[3Com] stp instance 1 root primary
2 Configuration on Switch B
# Enter MST region view.
<3Com> system-view
[3Com] stp region-configuration
# Configure the region name, VLAN-to-MSTI mapping, and revision level of the
MST region.
[3Com-mst-region] region-name example
[3Com-mst-region] instance 1 vlan 10
[3Com-mst-region] instance 3 vlan 30
[3Com-mst-region] instance 4 vlan 40
[3Com-mst-region] revision-level 0
# Activate the MST region configuration manually.
[3Com-mst-region] active region-configuration
# Specify Switch B as the root bridge of MSTI 3.
[3Com] stp instance 3 root primary
Product series Software version Hardware version
Switch 5500 Release V03.02.04 All versions
Switch 5500G Release V03.02.04 All versions
Switch 4500 Release V03.03.00 All versions
Switch 4210 Release V03.01.00 All versions