With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cslbxStatsNoMatchPolicyRejects
Cisco Server Load Balancing Stats No Match Policy Rejects
1.3.6.1.4.1.9.9.254.1.1.1.1.14
The number of connections rejected because they failed to match any configured policy.
Back to CISCO-SLB-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cslbxStatsNoMatchPolicyRejects 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.