1. Policy and Charging Application User Guide
  2. Configuration
  3. Unconfiguration of Policy DRA Function from a Running DSR PCA System
  4. Unconfiguring Policy DRA

5.7.1 Unconfiguring Policy DRA

This procedure unconfigures the Policy DRA function of the PCA application.
  1. Disable the Policy DRA function.

    Note:

    Executing this step irretrievably deletes all the subscriber binding and Policy session records from the SBR Databases.

    Note:

    This procedure should be performed in a maintenance window. After clicking Apply, several instances (depending on the number of redundant SBR servers) of one or more alarms are expected. They are expected to clear in an interval of 15 minutes of less. The alarms that may arise are 31101 (DB Replication To Slave Failure), 19800 (Communication Agent Connection Down), and 31201 (Process Not Running).
    1. On the NOAM, navigate to Policy and Charging, and then Configuration, and then General Options.
    2. Uncheck the Policy DRA Enabled box.
    3. Click Apply.
  2. Disable the Policy DRA specific Binding SBR Database.
    1. Navigate to SBR, and then Maintenance, and then SBR Database Status.
    2. Select the desired Binding type SBR Database.
    3. Click Disable.
  3. Disable the Policy DRA Session Database.
    1. If the Online Charging DRA function is not enabled, disable all the Session Database(s).
    2. Navigate to SBR, and then Maintenance, and then SBR Database Status.
    3. One by one, select the Session type SBR Database and click Disable.
  4. Delete the Policy DRA specific Binding SBR Database.
    1. Navigate to SBR, and then Maintenance, and then SBR Databases.
    2. Select the desired Binding type SBR Database.
    3. Click Delete.
  5. Delete the Policy DRA Session SBR Databases.
    1. If the Online Charging DRA function is not enabled, disable all the Session Database(s).
    2. Navigate to SBR, and then Maintenance, and then SBR Databases.
    3. Delete the Session type SBR Databases.
  6. Delete the Policy DRA specific APNs.

    Note:

    This step is optional. This step can be skipped if you are going to enable Policy DRA again on this system and you want to reuse the APN configuration data after reenable.
    1. Navigate to Poicy and Charging, and then Configuration, and then Access Point Names.
    2. Delete the Policy DRA specific configuration data from this screen.
  7. De-reference all the PRTs from PCRF Pools.

    Note:

    This step is optional. This step can be skipped if you are going to enable Policy DRA again on this system and you want to reuse the PCRF Pool configuration data after reenable.
    1. On the SOAM, navigate to Policy and Charging, and then Configuration, and then Policy DRA, and then PCRF Pool to PRT Mapping.
    2. Edit all the PCRF Pool Name entries and set the Peer Route Table Name to Not Selected.
  8. Delete all the PCRFs.

    Note:

    This step is optional. This step can be skipped if you are going to enable Policy DRA again on this system and you want to reuse the PCRF configuration data after reenable.
    1. Navigate to Policy and Charging, and then Configuration, and then Policy DRA, and then PCRFs.
    2. Delete the complete configuration data from this screen.
  9. Delete all the Policy Clients configuration.
    1. Navigate to Policy and Charging, and then Configuration, and then Policy DRA, and then Policy Clients.
    2. Delete the complete configuration data from this screen.
  10. Unconfigure the Site Options.
    1. Navigate to Policy and Charging, and then Configuration, and then Policy DRA, and then Site Options.
    2. Delete the configuration data from this screen.

      Note:

      If no value for Topology Hiding Virtual Name is configured on this screen, navigate to Policy and Charging, and then Configuration, and then Policy DRA, and then Network-Wide Options on the NOAM to delete the Default Topology Hiding Virtual Name value.
  11. Restore default values of Error Codes

    Note:

    This step is optional.
    1. Navigate to Policy and Charging, and then Configuration, and then Error Codes.
    2. Edit all Error Conditions and set the Result Code as 3002 for all Policy DRA application interfaces (Gx/Gxx, Rx, S9, Gx-Prime etc.).
  12. Delete all the Sub-Pool Delection Rules
    1. Only the NOAM, navigate to Policy and Charging, and then Configuration, and then Policy DRA, and then PCRF Sub-Pool Selection Rules.
    2. Delete the complete configuration data from this screen.
  13. Delete all the PCRF Pools
    1. Navigate to Policy and Charging, and then Configuration, and then Policy DRA, and then PCRF Pools.
    2. Delete the complete configuration data from this screen.