H3C Technologies H3C S12500 Series Switches User 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

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