With IPHost Network Monitor you can run simple snmp requests against a Huawei device in your network.
dot1dStpDesignatedRoot
dot1d Stp Designated Root
1.3.6.1.4.1.207.1.4.167.116.2.1.1.6
The bridge identifier of the root of the spanning tree as determined by the Spanning Tree Protocol as executed by this node. This value is used as the Root Identifier parameter in all Configuration Bridge PDUs originated by this node.
Back to IEEE8021-PAE-MIB MIB page.
IPHost Network monitor allows you to monitor dot1dStpDesignatedRoot on Allied Telesis device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Allied Telesis routers right now.