With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mplsTunnelCreationTime
mpls Tunnel Creation Time
1.3.6.1.3.95.2.2.1.32
Specifies the value of SysUpTime when the first instance of this tunnel came into existence.
Back to MPLS-TE-MIB MIB page.
IPHost Network monitor allows you to monitor mplsTunnelCreationTime 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.