With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mplsL3VpnVrfEntry
mpls L3 Vpn Vrf Entry
An entry in this table is created by an LSR for every VRF capable of supporting MPLS L3VPN. The indexing provides an ordering of VRFs per-VPN interface.
Back to MPLS-L3VPN-STD-MIB MIB page.
IPHost Network monitor allows you to monitor mplsL3VpnVrfEntry 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.