With IPHost Network Monitor you can run simple snmp requests against a Huawei device in your network.
dot1sCistPortInvalidTcnBpduRxCount
dot1s Cist Port Invalid Tcn Bpdu Rx Count
1.3.6.1.4.1.207.1.4.167.118.1.6.1.26
Number of Invalid TCN BPDUs Received on this port.
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IPHost Network monitor allows you to monitor dot1sCistPortInvalidTcnBpduRxCount 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 VPN routers right now.