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Step Operation Description
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 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 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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