3Com 4210, 5500G, 4200G manual Configuration on Switch a # Enter MST region view

78CHAPTER 14: MSTP CONFIGURATION GUIDE

Applicable Products

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

Configuration Procedure

1Configuration 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

2Configuration 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