With IPHost Network Monitor you can run simple snmp requests against a Huawei device in your network.
envMonTemperatureIndex
Environment Monitor Temperature Index
1.3.6.1.4.1.207.8.4.4.3.10.3.1.2
The numeric identifier of this temperature sensor within the context of its host board.
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IPHost Network monitor allows you to monitor envMonTemperatureIndex 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 switches right now.