1. Diameter Signaling Router Measurements
  2. Policy DRA Error Resolution Procedures
  3. Error Code 531

Error Code 531

Associated Error Category

Command Code and App ID no match

Description
Command Code doesn't match the App ID or doesn't exist
Associated P-DRA Alarm/Event
Event 22700 - Protocol errors in Diameter Requests (refer to the DSR Alarms and KPIs Reference for details about this event)
Associated Measurement
RxPdraRequestProtocolErr
Associated Diameter Interface / Message Type
Diameter Requests
GUI Configurable
No (Result Code 5019)

Recovery

  1. Check Diameter Message Validation in the Error Resolution appendix of the Policy and Charging Application User Guide to investigate and understand the circumstances where the error occurs.
  2. Go to the Policy DRA SOAM GUI at Main Menu, and then Alarms & Events, and then View History and set the Display Filter by Events (in particular, Event 22700 - Protocol errors in Diameter Requests.
  3. Use the Origin-Host value of the received Request found in Event 22700 - Protocol errors in Diameter Requests to understand from where the Request was sent.
  4. Get the measurement report from Main Menu, and then Measurements, and then Report for, but not limited to, "Diameter Exception," "DSR Application Exception," and "Policy DRA Diameter Exception" Measurement Groups.