With IPHost Network Monitor you can run simple snmp requests against a Huawei device in your network.
pingPacketSize
ping Packet Size
1.3.6.1.4.1.207.8.4.4.4.58.1.1.5
The packet size parameter specifies the length in bytes, of data to include in the data portion of the ping packet. The protocol packet header size and the size of headers for the particular link protocol in use have to be added to the packet size to get the total size of the ping packet. The maximum pingPacketSize can be set to is 1500.
Back to AT-PING-MIB MIB page.
IPHost Network monitor allows you to monitor pingPacketSize 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.