With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cfmFlowRtpTableChanged
Cisco Flow Monitor Flow Rtp Table Changed
1.3.6.1.4.1.9.9.692.1.2.12
This object indicates the value of sysUpTime the last time the device changed the cfmFlowRtpTable.
Back to CISCO-FLOW-MONITOR-MIB MIB page.
IPHost Network monitor allows you to monitor cfmFlowRtpTableChanged 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.