z  Configure Switch D: 
Step  Operation  Description 
1 Configure ports  On VLAN→802.1Q VLAN page, configure the link type 
of the related ports as Trunk, and add the ports to VLAN 
101 and VLAN 106. The detailed instructions can be 
found in the section 802.1Q VLAN
. 
2 Enable STP function  On Spanning Tree→STP Config→STP Config page, 
enable STP function and select MSTP version. 
On  Spanning Tree→STP Config→Port Config page, 
enable MSTP function for the port. 
3  Configure the region name and 
the revision of MST region 
On Spanning Tree→MSTP Instance→Region Config 
page, configure the region as TP-LINK and keep the 
default revision setting. 
4 Configure  VLAN-to-Instance 
mapping table of the MST region
On  Spanning Tree→MSTP Instance→Instance 
Config page, configure VLAN-to-Instance mapping 
table. Map VLAN 101, 103 and 105 to Instance 1; map 
VLAN 102, 104 and 106 to Instance 2. 
z  The configuration procedure for switch E and F is the same with that for switch D.   
¾  The topology diagram of the two instances after the topology is stable   
z  For Instance 1 (VLAN 101, 103 and 105), the red paths in the following figure are connected 
links; the gray paths are the blocked links.   
 
z  For Instance 2 (VLAN 102, 104 and 106), the blue paths in the following figure are connected 
links; the gray paths are the blocked links.   
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