With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
csgAgentBadRecord
Cisco Content Services Gateway Agent Bad Record
1.3.6.1.4.1.9.9.331.1.4.1.1.12
The number of bad records received. These are records in which the CSG detected an error in attempting to decode the contents.
Back to CISCO-CSG-MIB MIB page.
IPHost Network monitor allows you to monitor csgAgentBadRecord 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.