With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cfwConnectionStatValue
Cisco Firewall Connection Statistic Value
1.3.6.1.4.1.9.9.147.1.2.2.2.1.5
This is an integer that contains the value of the resource statistic. If a type of 'counter' is more appropriate this object will be omitted resulting in a sparse table.
Back to CISCO-FIREWALL-MIB MIB page.
IPHost Network monitor allows you to monitor cfwConnectionStatValue on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.
