LevelOne GES-2451 User Manual
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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 PS-G 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-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 PS-G 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
links; the gray paths are the blocked links.