Configuration Guide MSTP Configuration
Ruijie(config-mst)# instance 1 vlan 2
%Warning:you must create vlans before configuring instance-vlan relationship
Ruijie(config-mst)# instance 2 vlan 3
%Warning:you must create vlans before configuring instance-vlan relationship
Ruijie(config-mst)# name Ruijie
Ruijie(config-mst)# revision 1
Ruijie(config-mst)# show
Multi spanning tree protocol : Enable
Name : Ruijie
Revision : 1
Instance Vlans Mapped
-------- --------------------------------------------
0 : 1, 4-4094
1 : 2
2 : 3
-----------------------------------------------------
Ruijie(config-mst)# exit
Ruijie(config)# spanning-tree
Enable spanning-tree.
# Set the priority for Instance 0 to 4096
Ruijie(config)# spanning-tree mst 0 priority 4096
2) Configuring Switch B
# Set interface Gi0/1 and Gi 0/2 as Trunk port and create VLAN 2 and VLAN 3
Ruijie(config)# interface gigabitEthernet 0/1
Ruijie(config-if)# switchport mode trunk
Ruijie(config-if)# exit
Ruijie(config)# interface gigabitEthernet 0/2
Ruijie(config-if)# switchport mode trunk
Ruijie(config-if)# exit
Ruijie(config)# vlan 2