With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cvpdnUnameToFailHistCount
cvpdn Uname To Fail Hist Count
1.3.6.1.4.1.9.10.24.1.4.1.1.9
This object is incremented when multiple failures has been experienced by this user on this tunnel. Seeing a delta of >1 is an indication that the current failure record is the latest of a series of failures that has been recorded.
Back to CISCO-VPDN-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cvpdnUnameToFailHistCount 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.