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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 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 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.
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.
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