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name Tahiti
revision 123
MSTI 1 VLAN 100
MSTI 2 VLAN 200,300
!
(Step 2)
interface TenGigabitEthernet 3/11
no ip address
switchport
no shutdown
!
interface TenGigabitEthernet 3/21
no ip address
switchport
no shutdown
!
(Step 3)
interface Vlan 100
no ip address
tagged TenGigabitEthernet 3/11,21
no shutdown
!
interface Vlan 200
no ip address
tagged TenGigabitEthernet 3/11,21
no shutdown
!
interface Vlan 300
no ip address
tagged TenGigabitEthernet 3/11,21
no shutdown
Example Running-Configuration
This example uses the following steps:
1. Enable MSTP globally and set the region name and revision map MSTP instances to the VLANs.
2. Assign Layer-2 interfaces to the MSTP topology.
3. Create VLANs mapped to MSTP instances tag interfaces to the VLANs.
(Step 1)
spanning-tree
spanning-tree configuration name Tahiti
spanning-tree configuration revision 123
spanning-tree MSTi instance 1
spanning-tree MSTi vlan 1 100
spanning-tree MSTi instance 2
spanning-tree MSTi vlan 2 200
spanning-tree MSTi vlan 2 300
(Step 2)
interface 1/0/31
no shutdown
spanning-tree port mode enable
switchport protected 0
exit
interface 1/0/32
no shutdown
spanning-tree port mode enable
switchport protected 0
exit
606
Multiple Spanning Tree Protocol (MSTP)