With IPHost Network Monitor you can run simple snmp requests against a Huawei device in your network.
etherHistoryOversizePkts
ether History Oversize Packets
1.3.6.1.2.1.16.2.2.1.11
The number of packets received during this sampling interval that were longer than 1518 octets (excluding framing bits but including FCS octets) but were otherwise well formed.
Back to IEEE8021-PAE-MIB MIB page.
IPHost Network monitor allows you to monitor etherHistoryOversizePkts 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.