H3C Technologies H3C SecPath F1000-E User Manual

Page 132

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107

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 GigabitEthernet0/1 ALTE DISCARDING NONE

0 GigabitEthernet0/2 DESI FORWARDING NONE

0 GigabitEthernet0/3 ROOT FORWARDING NONE

1 GigabitEthernet0/1 DESI FORWARDING NONE

1 GigabitEthernet0/3 DESI FORWARDING NONE

3 GigabitEthernet0/2 DESI FORWARDING NONE

3 GigabitEthernet0/3 ROOT 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 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 C.

[DeviceC] 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 D.

[DeviceD] 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 mapped to each VLAN, as shown in

Figure 52

.

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