With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cslbxStatsDroppedL4PolicyConns
Cisco Server Load Balancing Stats Dropped L4 Policy Conns
1.3.6.1.4.1.9.9.254.1.1.1.1.9
The number of connections dropped by virtual servers with only layer 4 configuration.
Back to CISCO-SLB-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cslbxStatsDroppedL4PolicyConns 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.