With IPHost Network Monitor you can run simple snmp requests against a Huawei device in your network.
ifStackLowerLayer
if Stack Lower Layer
1.3.6.1.2.1.31.1.2.1.2
The value of ifIndex corresponding to the lower sub- layer of the relationship, i.e., the sub-layer which runs 'below' the sub-layer identified by the corresponding instance of ifStackHigherLayer. If there is no lower sub-layer, then this object has the value 0.
Back to IEEE8021-PAE-MIB MIB page.
IPHost Network monitor allows you to monitor ifStackLowerLayer 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 iMAP chassis right now.