Error Code 501

Associated Error Category: Missing or Unconfigured APN

Description: Binding capable session initiation request is received with an APN, but the APN is not configured in the APN configuration.

Associated P-DRA Alarm/Event: Alarm 22730 - Policy DRA Configuration Error (refer to the DSR Alarms and KPIs Reference for details about this alarm)

Associated Measurement: RxBindCapUnknownApn

Associated Diameter Interface / Message Type: Gx/Gxx CCR-I

GUI Configurable: Yes

Recovery:

  1. See CCR-I Processing with PCRF Pool and findOrCreateBinding Response Processing with PCRF Pool in the Error Resolution appendix of the Policy DRA User Guide to investigate and understand the circumstances where this error occurs and the impacts on Gx/Gxx CCR signaling processing.
  2. Go to the P-DRA GUI at Main Menu > Alarms & Events > View History. Set up the right scope for Server Group, Resource Domain, Place and Place Association, or use Alarm 22730 - Policy DRA Configuration Error (refer to the DSR Alarms and KPIs Reference for details about this alarm) as Display Filter to start the search.
  3. A list of Alarm 22730 - Policy DRA Configuration Error (refer to the DSR Alarms and KPIs Reference for details about this alarm) should be displayed. Select an alarm based on the alarm time stamp or other preferred criteria that will bring in the details of the alarm in Main Menu > Alarms & Events > View History [Report].
  4. Obtain the policy client's Origin-Host FQDN from the ERR_INFO in the alarm report on Alarm 22730 - Policy DRA Configuration Error (refer to the DSR Alarms and KPIs Reference for details about this alarm).
  5. If the APN string is expected, configure the APN at the NOAMP using Main Menu > Policy DRA > Configuration > Access Point Names screen.
  6. If the APN string is not expected, it may imply that the policy client whose FQDN is specified in the ERR_INFO is using an invalid APN.
  7. Go to Main Menu > Measurements > Report to obtain the measurement report for all relevant measurements. The frequency of the problem may be observed.
Parent topic: Policy DRA Error Resolution Procedures