R0106-HP MSR Router Series Layer 2 - LAN Switching Configuration Guide(V7)

79
[DeviceB] stp vlan 30 root primary
# Enable the spanning tree feature globally and in VLAN 10, VLAN 20, and VLAN 30.
[DeviceB] stp global enable
[DeviceB] stp vlan 10 20 30 enable
4. Configure Device C:
# Set the spanning tree mode to PVST.
<DeviceC> system-view
[DeviceC] stp mode pvst
# Configure the device as the root bridge of VLAN 40.
[DeviceC] stp vlan 40 root primary
# Enable the spanning tree feature globally and in VLAN 10, VLAN 20, and VLAN 40.
[DeviceC] stp global enable
[DeviceC] stp vlan 10 20 40 enable
5. Configure Device D:
# Set the spanning tree mode to PVST.
<DeviceD> system-view
[DeviceD] stp mode pvst
# Enable the spanning tree feature globally and in VLAN 20, VLAN 30, and VLAN 40.
[DeviceD] stp global enable
[DeviceD] stp vlan 20 30 40 enable
Verifying the configuration
When the network is stable, you can use the display stp brief command to display brief spanning tree
information on each device.
# Display brief spanning tree information on Device A.
[DeviceA] display stp brief
VLAN ID Port Role STP State Protection
10 GigabitEthernet2/1/1 DESI FORWARDING NONE
10 GigabitEthernet2/1/3 DESI FORWARDING NONE
20 GigabitEthernet2/1/1 DESI FORWARDING NONE
20 GigabitEthernet2/1/2 DESI FORWARDING NONE
20 GigabitEthernet2/1/3 DESI FORWARDING NONE
30 GigabitEthernet2/1/2 DESI FORWARDING NONE
30 GigabitEthernet2/1/3 ROOT FORWARDING NONE
# Display brief spanning tree information on Device B.
[DeviceB] display stp brief
VLAN ID Port Role STP State Protection
10 GigabitEthernet2/1/2 DESI FORWARDING NONE
10 GigabitEthernet2/1/3 ROOT FORWARDING NONE
20 GigabitEthernet2/1/1 DESI FORWARDING NONE
20 GigabitEthernet2/1/2 DESI FORWARDING NONE
20 GigabitEthernet2/1/3 ROOT FORWARDING NONE
30 GigabitEthernet2/1/1 DESI FORWARDING NONE
30 GigabitEthernet2/1/3 DESI FORWARDING NONE
# Display brief spanning tree information on Device C.
[DeviceC] display stp brief