With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mplsInSegmentIndex
mpls In Segment Index
1.3.6.1.3.96.1.3.1.1
The index for this in-segment. The string containing the single octet 0x00 MUST not be used as an index.
Back to MPLS-LSR-STD-MIB MIB page.
IPHost Network monitor allows you to monitor mplsInSegmentIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.