With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mplsTunnelARHopIndex
mpls Tunnel AR Hop Index
Secondary index into this table identifying the particular hop.
Back to MPLS-TE-STD-MIB MIB page.
IPHost Network monitor allows you to monitor mplsTunnelARHopIndex 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.