With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoMvpnGenOperChangeTime
cisco Mvpn Gen Operational Change Time
1.3.6.1.4.1.9.10.113.1.2.1.1.2
The time at which the last operational change for the MVRF in question took place. The last operational change is specified by ciscoMvpnGenOperStatusChange.
Back to CISCO-MVPN-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoMvpnGenOperChangeTime on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.