With IPHost Network Monitor you can run simple snmp requests against a Avaya device in your network.
xsSubnetCreateTime
xs Subnet Create Time
The value of sysUpTime when this entry was last activated. This can be used by the management station to ensure that the entry has not been deleted and recreated between polls.
Back to SMON2-MIB MIB page.
IPHost Network monitor allows you to monitor xsSubnetCreateTime on Avaya device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Avaya routing switches right now.