HP 6125G Configuration Manual page 99

[DeviceD-mst-region] region-name example
[DeviceD-mst-region] instance 1 vlan 10
[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
Verify the configurations:
6.
In this example, suppose that Device B has the lowest root bridge ID. As a result, Device B is
elected as the root bridge in MSTI 0.
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
0 GigabitEthernet1/0/1
0 GigabitEthernet1/0/2
0 GigabitEthernet1/0/3
1 GigabitEthernet1/0/1
1 GigabitEthernet1/0/3
3 GigabitEthernet1/0/2
3 GigabitEthernet1/0/3
# Display brief spanning tree information on Device B.
[DeviceB] display stp brief
MSTID Port
0 GigabitEthernet1/0/1
0 GigabitEthernet1/0/2
0 GigabitEthernet1/0/3
1 GigabitEthernet1/0/2
1 GigabitEthernet1/0/3
3 GigabitEthernet1/0/1
3 GigabitEthernet1/0/3
# Display brief spanning tree information on Device C.
[DeviceC] display stp brief
MSTID Port
0 GigabitEthernet1/0/1
0 GigabitEthernet1/0/2
0 GigabitEthernet1/0/3
1 GigabitEthernet1/0/1
1 GigabitEthernet1/0/2
4 GigabitEthernet1/0/3
# Display brief spanning tree information on Device D.
[DeviceD] display stp brief
MSTID Port
Role STP State
ALTE DISCARDING
DESI FORWARDING
ROOT FORWARDING
DESI FORWARDING
DESI FORWARDING
DESI FORWARDING
ROOT FORWARDING
Role STP State
DESI FORWARDING
DESI FORWARDING
DESI FORWARDING
DESI FORWARDING
ROOT FORWARDING
DESI FORWARDING
DESI FORWARDING
Role STP State
DESI FORWARDING
ROOT FORWARDING
DESI FORWARDING
ROOT FORWARDING
ALTE DISCARDING
DESI FORWARDING
Role STP State
90
Protection
NONE
NONE
NONE
NONE
NONE
NONE
NONE
Protection
NONE
NONE
NONE
NONE
NONE
NONE
NONE
Protection
NONE
NONE
NONE
NONE
NONE
NONE
Protection