With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dlswCircuitEntryTime
dlsw Circuit Entry Time
1.3.6.1.4.1.2011.2.34.5.2.1.15
The amount of time (in hundredths of a second) since this circuit table conceptual row was created.
Back to DLSW-MIB MIB page.
IPHost Network monitor allows you to monitor dlswCircuitEntryTime 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.