With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
frCircuitLastTimeChange
fr Circuit Last Time Change
1.3.6.1.2.1.10.32.2.1.11
The value of sysUpTime when last there was a change in the virtual circuit state
Back to FRAME-RELAY-DTE-MIB MIB page.
IPHost Network monitor allows you to monitor frCircuitLastTimeChange 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.