With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mplsInSegmentTable
mpls In Segment Table
1.3.6.1.3.96.1.4
This table contains a collection of incoming segments to an LSR.
Back to MPLS-LSR-MIB MIB page.
IPHost Network monitor allows you to monitor mplsInSegmentTable 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.