Configuration Guide MSTP Configuration
Ruijie(config-vlan)# exit
Ruijie(config)# vlan 3
Ruijie(config-vlan)# exit
# Set the spanning tree to MSTP mode, VLAN 2-Instance 1 and VLAN 3-Instance 2
mapping, and set the MST configuration name to Ruijie, MST Revision Number to 1.
View the MST configurations and enable the spanning tree protocol.
Ruijie(config)# spanning-tree mode mstp
Ruijie(config)# spanning-tree mst 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)# exit
Ruijie(config)# spanning-tree
Enable spanning-tree.
# Set the priority for Instance 0 to 4096
Ruijie(config)# spanning-tree mst 1 priority 4096
3) Configuring Switch C
# Set interface Gi0/1 and Gi 0/2 as Trunk port and create VLAN 2 and VLAN 3
Ruijie(config)# interface fastEthernet 0/1
Ruijie(config-if)# switchport mode trunk
Ruijie(config-if)# exit
Ruijie(config)# interface fastEthernet 0/2
Ruijie(config-if)# switchport mode trunk
Ruijie(config-if)# exit
Ruijie(config)# vlan 2
Ruijie(config-vlan)# exit
Ruijie(config)# vlan 3