Memory – Juniper (ScreenOS) service

When this service has a scan interval of less than 5 minutes, the agent may take longer than the scan interval to gather the metrics. As a result, you may notice some scan intervals are not populated.

The Memory - Juniper (ScreenOS) service monitors the memory usage of a Juniper device.

This service cannot use Self Healing.

Service TypeSNMP
Instances on a Device1
Supported Systems/ApplicationsNetscreen OS 5.4 and later
Device ClassSwitch/Router
Monitored ByWindows probe
Scan Interval5 minutes
Minimum Scan Interval1 mintue


N-able N-central services use Reverse Polish Notation (RPN) for all calculation formulae.

Metric Name OID/Calculation
Memory Allocated1.
Memory Left1.
Total MemoryMemory Allocated + Memory Left
Used Memory[Memory Allocated/(Memory Allocated + Memory Left)] x 100