With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
atmMatrixTopNControlStartTime
Cisco ATM Matrix Top N Control Start Time
1.3.6.1.4.1.9.10.16.1.4.4.1.9
The value of sysUpTime when this top N report was last started. In other words, this is the time that the associated atmMatrixTopNControlTimeRemaining object was modified to start the requested report or the time the report was last automatically (re)started. This object may be used by the management station to determine if a report was missed or not.
Back to ATM-RMON-MIB MIB page.
IPHost Network monitor allows you to monitor atmMatrixTopNControlStartTime on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.