[SwitchB-mst-region] active region-configuration
[SwitchB-mst-region] quit
# Set the priority of SwitchB in MSTI0 to 4096 to ensure that SwitchB functions as the CIST
root.
[SwitchB] stp instance 0 priority 4096
# Configure SwitchB to use Huawei private algorithm to calculate the path cost.
[SwitchB] stp pathcost-standard legacy
# Create VLANs 2 to 20.
[SwitchB] vlan batch 2 to 20
# Add GE 1/0/1 to the VLANs.
[SwitchB] interface GigabitEthernet 1/0/1
[SwitchB-GigabitEthernet1/0/1] port link-type trunk
[SwitchB-GigabitEthernet1/0/1] port trunk allow-pass vlan 1 to 20
[SwitchB-GigabitEthernet1/0/1] quit
# Add GE 1/0/2 to the VLANs.
[SwitchB] interface GigabitEthernet 1/0/2
[SwitchB-GigabitEthernet1/0/2] port link-type trunk
[SwitchB-GigabitEthernet1/0/2] port trunk allow-pass vlan 1 to 20
[SwitchB-GigabitEthernet1/0/2] quit
# Enable MSTP.
[SwitchB] stp enable
Step 3 Configure SwitchC.
# Configure the MST region on SwitchC.
[SwitchC] stp region-configuration
[SwitchC-mst-region] region-name RG1
[SwitchC-mst-region] instance 1 vlan 1 to 10
# Activate the configuration of the MST region.
[SwitchC-mst-region] active region-configuration
[SwitchC-mst-region] quit
# Configure SwitchC to use Huawei private algorithm to calculate the path cost.
[SwitchC] stp pathcost-standard legacy
# Enable BPDU protection.
[SwitchC] stp bpdu-protection
# Create VLANs 2 to 20.
[SwitchC] vlan batch 2 to 20
# Add GE 1/0/2 to the VLANs.
[SwitchC] interface GigabitEthernet 1/0/2
[SwitchC-GigabitEthernet1/0/2] port link-type trunk
[SwitchC-GigabitEthernet1/0/2] port trunk allow-pass vlan 1 to 20
[SwitchC-GigabitEthernet1/0/2] quit
# Add GE 2/0/1 to the VLANs.
[SwitchC] interface GigabitEthernet 2/0/1
[SwitchC-GigabitEthernet2/0/1] port link-type trunk
Quidway S7700 Smart Routing Switch
Configuration Guide - Ethernet 9 MSTP Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
461
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