With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cOutageNotificationsSent
Cisco Outage Notifications Sent
1.3.6.1.4.1.9.9.280.1.1.2
The number of outage notifications that have been sent. This number may include notifications that were prevented from being transmitted due to reasons such as resource limitations and/or non-connectivity. If one is receiving notifications, one can periodically poll this object to determine if any notifications were missed. If missed, a poll of the cOutageHistoryTable might be necessary.
Back to CISCO-OUTAGE-MONITOR-MIB MIB page.
IPHost Network monitor allows you to monitor cOutageNotificationsSent 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.