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Diameter Signaling Router (DSR): Some Diameter Traffic Fails From a DA-MP; Seeing Event 22607 Routing attempt failed due to DRL queue exhaustion (Doc ID 2672057.1)

Last updated on AUGUST 15, 2023

Applies to:

Oracle Communications Diameter Signaling Router (DSR) - Version DSR 7.0.1 and later
Information in this document applies to any platform.


Some Diameter peers  are receiving sporadic error Answer messages to their Requests indicating:

  Result-Code: DIAMETER_TOO_BUSY (3004)
  Error-Message: FABR-ERR-3004609 FABR Resource Exhausted

In the log history, finding many corresponding events showing: 22607 Routing attempt failed due to DRL queue exhaustion /


On an MP, several weeks beforehand the 'dsr' process tracing was elevated via 'tr.setmask...' command but never returned to normal.

Minor Event 31270 "Logging output" is reported by Procwatch from the MP.


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