SNMP alert type format

Products

• CA Application Performance Management Agent (APM / Wily / Introscope)
• CA Application Performance Management (APM / Wily / Introscope)
• INTROSCOPE
• DX Application Performance Management

Issue/Introduction

After configuring SNMP alerts on APM to trigger an automated trap monitoring tool, the alert message format received looks like below, eg:

- The Alert \"<Service Number> ServerUp\ "fell below danger target of 1"
- The Alert \"<Service Number> ServerUp\ "opened|closed a danger alert”

Why sometimes the alert message is "fell below danger target of X" and sometimes "Closed|Opened a danger alert"?

Environment

Any

Resolution

Alert messages depend on the alert configuration and majorly on Periods Over Threshold as well as Observed periods and condition operator:
- If Observed Periods is greater than 1 then alert message will have "opened/closed a danger/caution alert". 
- If Observed Periods is 1 and based on condition operator alert message will have "fell below/exceeded danger/caution target of"