If you have enabled SNMP traps, the NetBeez server (BeezKeeper) will start forwarding any dashboard alert to an SNMP trap receiver. Please make sure that you have enabled and tested SNMP alerts.
For instructions on how to configure SNMP alerts, please see:
To properly display the SNMP notification on your server, please download the latest SNMP MIB from GitHub:
GitHub Repository: https://github.com/netbeez/beezkeeper-mib