Configure switch C:
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
VLAN101-VLAN106. 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 VLAN101, 103 and 105 to Instance 1; map
VLAN102, 104 and 106 to Instance 2.
5 Configure switch C as the root
bridge of Instance 1
On Spanning Tree→MSTP Instance→Instance
Config page, configure the priority of Instance 1 to be
4096.
6 Configure switch C as the root
bridge of Instance 2
On Spanning Tree→MSTP Instance→Instance
Config page, configure the priority of Instance 2 to be
0.
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
VLAN101-VLAN106. 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 VLAN101, 103 and 105 to Instance 1; map
VLAN102, 104 and 106 to Instance 2.
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 (VLAN101, 103 and 105), the red paths in the following figure are connected
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