1. Measurement Reference Guide
  2. Policy DRA Error Resolution Procedures
  3. Error Code 501

A.2 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 and Charging 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 and Charging Application 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 PCA GUI at Main Menu, and then Alarms & Events, and then View History. Set up the right scope for Server Group, Resource Domain, Place and Place Association, or use Alarm 22730 - Policy and Charging 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 and Charging 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, and then Alarms & Events, and then 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, and then Policy and Charging, and then Configuration, and then 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, and then Measurements, and then Report to obtain the measurement report for all relevant measurements. The frequency of the problem may be observed.