With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
slbConnectionIndex
slb Connection Index
1.3.6.1.4.1.9.9.161.1.5.1.1.1
The index to internal structures for the connection.
Back to CISCO-SLB-MIB MIB page.
IPHost Network monitor allows you to monitor slbConnectionIndex 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.