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
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.
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
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.
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
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