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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-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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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-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.
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The configuration procedure for switch E and F is the same with that for switch D.
¾
The topology diagram of the two instances after the topology is stable
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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.
96
