With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ctsiAuthorizationFailure
ctsi Authorization Failure
1.3.6.1.4.1.9.9.740.1.9.7
The total number of times that remote peer TrustSec authorization failed on this device.
Back to CISCO-TRUSTSEC-INTERFACE-MIB MIB page.
IPHost Network monitor allows you to monitor ctsiAuthorizationFailure on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.