Huawei AR3200 Series - Configuring the MSTP Mode; Configuring and Activating an MST Region

l Connecting interfaces and setting physical parameters for the interfaces to ensure that the
interfaces are physically Up
Data Preparation
To configure basic MSTP functions, you need the following data.
No. Data
1 MSTP working mode
2 MST region name, VLAN-to-instance mapping, and MSTP revision number
3 (Optional) ID of an MSTI
4 (Optional) Priority of a switching device in an MSTI
5 (Optional) Priority of a port in an MSTI
6 (Optional) Path cost of a port in an MSTI
8.3.2 Configuring the MSTP Mode
Before configuring basic MSTP functions, set the working mode of a switching device to MSTP.
MSTP is compatible with STP and RSTP.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
stp mode mstp
The working mode of the switching device is set to MSTP. By default, the working mode is
MSTP.
STP and MSTP cannot recognize packets of each other, but MSTP and RSTP can. If an MSTP-
enabled switching device is connected to switching devices running STP, interfaces of the
MSTP-enabled switching device connected to devices running STP automatically transition to
STP mode, and other interfaces still work in MSTP mode. This enables devices running different
spanning tree protocols to interwork with each other.
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8.3.3 Configuring and Activating an MST Region
MSTP divides a switching network into multiple MST regions. After an MST region name,
VLAN-to-instance mappings, and an MSTP revision number are configured, you must activate
the MST region to make the configurations effective.
Huawei AR3200 Series Enterprise Routers
Configuration Guide - LAN 8 MSTP Configuration
Issue 02 (2012-03-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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