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Oracle Communications Session Monitor is Not Displaying all SIP Messages due to Probe(s) Dropping Packets (Doc ID 2510815.1)

Last updated on AUGUST 27, 2020

Applies to:

Oracle Communications Session Monitor - Version 4.0 and later
Information in this document applies to any platform.

Symptoms

Oracle Communications Session Monitor (OCSM) is not showing all SIP messages e.g. calls are showing timed out due to missing BYE messages.  Investigation of the probes connected to the ME (Mediation Engine) reveal that the "rat_stats" output shows high amount of dropped packets on probe(s) e.g.

 

also "ps -aux" shows the rat process (/opt/oracle/ocsm/sbin/rat) using up a lot of CPU:

 

 

Cause

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In this Document
Symptoms
Cause
Solution


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