With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cwspPnniStndbyControllerStatus
cwsp Pnni Stndby Controller Status
1.3.6.1.4.1.351.140.1.1.7
The administrative status for the standby controller.
Back to CISCO-WAN-SVC-MIB MIB page.
IPHost Network monitor allows you to monitor cwspPnniStndbyControllerStatus 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.