H3C Technologies H3C S12500 Series Switches - Manual (Page 113)

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[DeviceD-mst-region] instance 3 vlan 30
[DeviceD-mst-region] instance 4 vlan 40
[DeviceD-mst-region] revision-level 0
# Activate MST region configuration.
[DeviceD-mst-region] active region-configuration
[DeviceD-mst-region] quit
# Enable the spanning tree feature globally.
[DeviceD] stp enable
6. Verify the configuration:
You can use the display stp brief command to display brief spanning tree information on each
device after the network is stable.
# Display brief spanning tree information on Device A.
[DeviceA] display stp brief
MSTID Port Role STP State Protection
0 GigabitEthernet3/0/1 ALTE DISCARDING NONE
0 GigabitEthernet3/0/2 DESI FORWARDING NONE
0 GigabitEthernet3/0/3 ROOT FORWARDING NONE
1 GigabitEthernet3/0/1 DESI FORWARDING NONE
1 GigabitEthernet3/0/3 DESI FORWARDING NONE
3 GigabitEthernet3/0/2 DESI FORWARDING NONE
3 GigabitEthernet3/0/3 ROOT FORWARDING NONE
# Display brief spanning tree information on Device B.
[DeviceB] display stp brief
MSTID Port Role STP State Protection
0 GigabitEthernet3/0/1 DESI FORWARDING NONE
0 GigabitEthernet3/0/2 DESI FORWARDING NONE
0 GigabitEthernet3/0/3 DESI FORWARDING NONE
1 GigabitEthernet3/0/2 DESI FORWARDING NONE
1 GigabitEthernet3/0/3 ROOT FORWARDING NONE
3 GigabitEthernet3/0/1 DESI FORWARDING NONE
3 GigabitEthernet3/0/3 DESI FORWARDING NONE
# Display brief spanning tree information on Device C.
[DeviceC] display stp brief
MSTID Port Role STP State Protection
0 GigabitEthernet3/0/1 DESI FORWARDING NONE
0 GigabitEthernet3/0/2 ROOT FORWARDING NONE
0 GigabitEthernet3/0/3 DESI FORWARDING NONE
1 GigabitEthernet3/0/1 ROOT FORWARDING NONE
1 GigabitEthernet3/0/2 ALTE DISCARDING NONE
4 GigabitEthernet3/0/3 DESI FORWARDING NONE
# Display brief spanning tree information on Device D.
[DeviceD] display stp brief
MSTID Port Role STP State Protection
0 GigabitEthernet3/0/1 ROOT FORWARDING NONE
0 GigabitEthernet3/0/2 ALTE DISCARDING NONE
0 GigabitEthernet3/0/3 ALTE DISCARDING NONE
3 GigabitEthernet3/0/1 ROOT FORWARDING NONE