With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mplsTunnelARHopTableIndex
mpls Tunnel AR Hop Table Index
Index into the mplsTunnelARHopTable entry that specifies the actual hops traversed by the tunnel. This is automatically updated by the agent when the actual hops becomes available.
Back to MPLS-TE-STD-MIB MIB page.
IPHost Network monitor allows you to monitor mplsTunnelARHopTableIndex 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.