With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mplsTunnelIfIndex
mpls Tunnel If Index
1.3.6.1.3.95.2.2.1.8
If mplsTunnelIsIf is set to true, then this value contains the LSR-assigned ifIndex which corresponds to an entry in the interfaces table. Otherwise this variable should contain the value of zero indicating that a valid ifIndex was not assigned to this tunnel interface.
Back to MPLS-TE-MIB MIB page.
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