With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
caonNotificationText
Cisco AON Notification Text
1.3.6.1.4.1.9.9.646.1.2.6
This object indicates additional information regarding the custom notification. This notification text is defined by the customer to provide details related to the custom notification.
Back to CISCO-AON-STATUS-MIB MIB page.
IPHost Network monitor allows you to monitor caonNotificationText 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.