¾  Configuration Procedure   
z  Configure Switch A: 
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-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  Configure Switch B:   
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-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. 
5  Configure switch B as the root 
bridge of Instance 1 
On  Spanning Tree→MSTP Instance→Instance 
Config page, configure the priority of Instance 1 to be 0.
6  Configure switch B as the 
designated bridge of Instance 2 
On  Spanning Tree→MSTP Instance→Instance 
Config page, configure the priority of Instance 2 to be 
4096. 
 
 
 
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