With IPHost Network Monitor you can run simple snmp requests against a Huawei device in your network.
dot1dTpHCPortInDiscards
dot1d Tp HC Port In Discards
1.3.6.1.4.1.207.1.4.167.116.4.5.1.3
Count of valid frames that have been received by this port from its segment which were discarded (i.e., filtered) by the Forwarding Process.
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IPHost Network monitor allows you to monitor dot1dTpHCPortInDiscards 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 access points right now.