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Bridge MAC
...00-00-01
Address
Bridge
Priority
3276
port 1
128
port 2
128
port 3
port 4
port 5
port 6
port 7
port 1
200000
port 2
200000
port 3
port 4
port 5
port 6
port 7
By default, the MSTP establishes a tree topology (in blue lines) rooted with SwitchA. The ports
marked with "x" are in the discarding status, and the other ports are in the forwarding status.
Configurations Steps:
Step 1: Configure port to VLAN mapping:
Create VLAN 20, 30, 40, 50 in Switch2, Switch3 and Switch4.
Set ports 1-7 as trunk ports in Switch2 Switch3 and Sw
Step 2: Set Switch2, Switch3 and Switch4 in the same MSTP:
Set Switch2, Switch3 and Switch4 to have the same region name as mstp.
Map VLAN 20 and VLAN 30 in Switch2, Switch3 and Switch4 to Insta
VLAN 40 and VLAN 50 in Switch2, Switch3 and Switch4 to Instance 4.
Step 3: Set Switch
3 as the root bridge of Instance 3; Set Switch4 as the root bridge of Instance
4
Set the bridge priority of Instance 3 in Switch3 as 0.
Set the bridge priority of Instance 4 in Switch4 as 0.
T
he detailed configuration is listed below:
Swi h2:
tc
...00-00-02
8
3276
8
128
128
128
128
128
200000
200000
200000
200000
200000
22-125
...00-00-03
...00-00-04
3276
8
3
2768
128
128
128
128
128
128
128
128
128
200000
200000
200000
200000
200000
200000
200000
200000
200000
itch4.
nce 3; Map
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Troubleshooting
