With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cwspLastDiagnostic
cwsp Last Diagnostic
1.3.6.1.4.1.351.140.1.2.6.1.1.23
to indicate the last diagnostic of release or cranckback.
Back to CISCO-WAN-SVC-MIB MIB page.
IPHost Network monitor allows you to monitor cwspLastDiagnostic 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.