With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
haFAAuthenticationFailure
ha FA Authentication Failure
1.3.6.1.2.1.44.1.6.3.9
Total number of Registration Requests denied by home agent -- foreign agent failed authentication (Code 132).
Back to MIP-MIB MIB page.
IPHost Network monitor allows you to monitor haFAAuthenticationFailure on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.