H3C Technologies H3C SecPath F1000-E - Manual (Page 106)

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# Display brief spanning tree information on Device A.
[DeviceA] display stp brief
MSTID Port Role STP State Protection
0 GigabitEthernet0/1 DESI FORWARDING NONE
0 GigabitEthernet0/2 DESI FORWARDING NONE
0 GigabitEthernet0/3 DESI FORWARDING NONE
1 GigabitEthernet0/2 DESI FORWARDING NONE
1 GigabitEthernet0/3 ROOT FORWARDING NONE
3 GigabitEthernet0/1 DESI FORWARDING NONE
3 GigabitEthernet0/3 DESI FORWARDING NONE
# Display brief spanning tree information on Device B.
[DeviceB] display stp brief
MSTID Port Role STP State Protection
0 GigabitEthernet0/1 DESI FORWARDING NONE
0 GigabitEthernet0/2 ROOT FORWARDING NONE
0 GigabitEthernet0/3 DESI FORWARDING NONE
1 GigabitEthernet0/1 ROOT FORWARDING NONE
1 GigabitEthernet0/2 ALTE DISCARDING NONE
4 GigabitEthernet0/3 DESI FORWARDING NONE
# Display brief spanning tree information on Device C.
[DeviceC] display stp brief
MSTID Port Role STP State Protection
0 GigabitEthernet0/1 ROOT FORWARDING NONE
0 GigabitEthernet0/2 ALTE DISCARDING NONE
0 GigabitEthernet0/3 ALTE DISCARDING NONE
3 GigabitEthernet0/1 ROOT FORWARDING NONE
3 GigabitEthernet0/2 ALTE DISCARDING NONE
4 GigabitEthernet0/3 ROOT FORWARDING NONE
Based on the output, you can draw the MSTI corresponding to each VLAN, as shown in Figure 52 .