With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cfmeFlowCount
cfme Flow Count
1.3.6.1.4.1.9.9.692.3.1.2
This object identifier represents the monitored element describing the number of traffic flows currently monitored by a flow monitor (cfmFlowMonitorFlowCount).
Back to CISCO-FLOW-MONITOR-MIB MIB page.
IPHost Network monitor allows you to monitor cfmeFlowCount 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.