sys stp enable stp mode mstp stp region-configuration region-name ntd1902 instance 1 vlan 10 20 instance 2 vlan 30 40 active region-configuration stp instance 1 priority 4096 stp instance 2 priority 4096
sys stp enable stp mode mstp stp region-configuration region-name ntd1902 instance 1 vlan 10 20 instance 2 vlan 30 40 active region-configuration stp instance 2 priority 8192 stp instance 1 priority 8192
