With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ctsiIfAuthenticationFailure
ctsi If Authentication Failure
1.3.6.1.4.1.9.9.740.1.6.1.1.3
The number of times that peer has been failed in authentication on this interface.
Back to CISCO-TRUSTSEC-INTERFACE-MIB MIB page.
IPHost Network monitor allows you to monitor ctsiIfAuthenticationFailure 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.