With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmlrSubTriggerTable
Cisco Multi-layer Routing Sub Trigger Table
1.3.6.1.4.1.9.9.396.1.3
A table that is used to define additional triggers that work in combination with values specified in specific cmlrTriggerTable. Entries are added to this table via cmlrSubTriggerRowStatus in accordance with the RowStatus convention.
Back to CISCO-ITP-MLR-MIB MIB page.
IPHost Network monitor allows you to monitor cmlrSubTriggerTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.