With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mplsL3VpnNotificationEnable
mpls L3 Vpn Notification Enable
If this object is true, then it enables the generation of all notifications defined in this MIB. This object's value should be preserved across agent reboots.
Back to MPLS-L3VPN-STD-MIB MIB page.
IPHost Network monitor allows you to monitor mplsL3VpnNotificationEnable 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.