With IPHost Network Monitor you can run simple snmp requests against a Huawei device in your network.
ifStackLastChange
if Stack Last Change
1.3.6.1.2.1.31.1.6
The value of sysUpTime at the time of the last change of the (whole) interface stack. A change of the interface stack is defined to be any creation, deletion, or change in value of any instance of ifStackStatus. If the interface stack has been unchanged since the last re-initialization of the local network management subsystem, then this object contains a zero value.
Back to IEEE8021-PAE-MIB MIB page.
IPHost Network monitor allows you to monitor ifStackLastChange 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.