TP-Link T3700G-52TQ User Manual page 140

5 Configure switch C as
the designated bridge of
Instance 1
6 Configure switch C as
the root
Instance 2
Configure switch D:

Step Operation
1 Configure ports
2 Enable STP function
3 Configure the
name and the revision of
MST region
4 Configure
VLAN-Instance mapping
table of the MST region
The configuration procedure for switch E and F is the same with that for switch D.

The topology diagram of the two instances after the topology is stable

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.
On Spanning Tree→MSTP Instance→Instance Config page,
configure the priority of Instance 1 to be 4096.
On Spanning Tree→MSTP Instance→Instance Config page,
bridge of configure the priority of Switch C in Instance 2 as 0.
Description
On VLAN→802.1Q VLAN page, configure the link type of the
related
VLAN101-VLAN106. The detailed instructions can be found
in the section
On Spanning Tree→STP Config→STP Config page, enable
STP function and select MSTP version.
On Spanning Tree→Port Config→Port Config page, enable
MSTP function for the port.
region On Spanning Tree→MSTP Instance→Region Config page,
configure the region as TP-Link and keep the default revision
setting.
On Spanning Tree→MSTP Instance→Instance Config page,
configure VLAN-Instance mapping table. Map VLAN 101,
103 and 105 to Instance 1; map VLAN 102, 104 and 106 to
Instance 2.
ports as Trunk,
802.1Q VLAN.
127
and add the ports to