With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cspSecOverloadDropped
csp Sec Overload Dropped
1.3.6.1.4.1.9.9.370.1.14.18
The total number of connections rejected because of overload conditions. This indicates that the incoming rate is higher than what can be handled.
Back to CISCO-SSL-PROXY-MIB MIB page.
IPHost Network monitor allows you to monitor cspSecOverloadDropped on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.