With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mplsTunnelPerfErrors
mpls Tunnel Perf Errors
1.3.6.1.3.95.2.9.1.3
Number of errored packets.
Back to MPLS-TE-MIB MIB page.
IPHost Network monitor allows you to monitor mplsTunnelPerfErrors 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.