With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
entSensorValueTimeStamp
Cisco Entity Sensor Value Time Stamp
1.3.6.1.4.1.9.9.91.1.1.1.1.6
This variable indicates the age of the value reported by entSensorValue
Back to CISCO-ENTITY-SENSOR-MIB MIB page.
IPHost Network monitor allows you to monitor entSensorValueTimeStamp 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.
