Configuration Guide     254
Configuring Spanning Tree Configuration Example for MSTP
Figure 5-15 Configuring the Region
3)  Choose the menu Spanning Tree > MSTP Instance > Instance Config to load the 
following page. Map VLAN101-VLAN103 to instance 1; map VLAN104-VLAN106 to 
instance 2.
Figure 5-16 Configuring the VLAN-Instance Mapping
4)  Choose the menu Spanning Tree > MSTP Instance > Instance Config to load the 
following page. Configure the priority of Switch C as 0 to set it as the root bridge in 
instance 2.