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Mstp implementation on devices, Protocols and standards, Spanning tree configuration task lists – H3C Technologies H3C S12500-X Series Switches User Manual

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0 Ten-GigabitEthernet1/0/3 ROOT FORWARDING NONE

1 Ten-GigabitEthernet1/0/1 DESI FORWARDING NONE

1 Ten-GigabitEthernet1/0/3 DESI FORWARDING NONE

3 Ten-GigabitEthernet1/0/2 DESI FORWARDING NONE

3 Ten-GigabitEthernet1/0/3 ROOT FORWARDING NONE

# Display brief spanning tree information on Device B.

[DeviceB] display stp brief

MSTID Port Role STP State Protection

0 Ten-GigabitEthernet1/0/1 DESI FORWARDING NONE

0 Ten-GigabitEthernet1/0/2 DESI FORWARDING NONE

0 Ten-GigabitEthernet1/0/3 DESI FORWARDING NONE

1 Ten-GigabitEthernet1/0/2 DESI FORWARDING NONE

1 Ten-GigabitEthernet1/0/3 ROOT FORWARDING NONE

3 Ten-GigabitEthernet1/0/1 DESI FORWARDING NONE

3 Ten-GigabitEthernet1/0/3 DESI FORWARDING NONE

# Display brief spanning tree information on Device C.

[DeviceC] display stp brief

MSTID Port Role STP State Protection

0 Ten-GigabitEthernet1/0/1 DESI FORWARDING NONE

0 Ten-GigabitEthernet1/0/2 ROOT FORWARDING NONE

0 Ten-GigabitEthernet1/0/3 DESI FORWARDING NONE

1 Ten-GigabitEthernet1/0/1 ROOT FORWARDING NONE

1 Ten-GigabitEthernet1/0/2 ALTE DISCARDING NONE

4 Ten-GigabitEthernet1/0/3 DESI FORWARDING NONE

# Display brief spanning tree information on Device D.

[DeviceD] display stp brief

MSTID Port Role STP State Protection

0 Ten-GigabitEthernet1/0/1 ROOT FORWARDING NONE

0 Ten-GigabitEthernet1/0/2 ALTE DISCARDING NONE

0 Ten-GigabitEthernet1/0/3 ALTE DISCARDING NONE

3 Ten-GigabitEthernet1/0/1 ROOT FORWARDING NONE

3 Ten-GigabitEthernet1/0/2 ALTE DISCARDING NONE

4 Ten-GigabitEthernet1/0/3 ROOT FORWARDING NONE

Based on the output, you can draw each MSTI mapped to each VLAN, as shown in

Figure 26

.

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