MME Handling of Purge Procedure

Feature Summary and Revision History

Summary Data

Applicable Product(s) or Functional Area

MME

Applicable Platform(s)

  • ASR 5500

  • VPC-DI

  • VPC-SI

Default Setting

Enabled - Configuration Required

Related Changes in This Release

Not Applicable

Related Documentation

  • Command Line Interface Reference

  • MME Administration Guide

  • Statistics and Counters Reference

Revision History

Revision Details

Release

MME Handling of Purge Procedure support added.

21.12.15

First introduced.

21.15.1

Feature Changes

Previous Behavior: The MME sends Purge-UE-Request (PUR) to HSS during deletion of subscriber information in the old session manager initiated by IMSI manager.

New Behavior: MME can be configured to stop sending Purge-UE-Request (PUR) to HSS during the deletion of subscriber information in the old session manager initiated by the IMSI manager with the help of newly introduced CLI.

Command Changes

This section describes the CLI configuration required to configure MME handling of Purge procedure.

Configuring hss-purge-ue-request

Use the following configuration to configure HSS purge UE request.

configure 
      context context_name 
         mme-service mme_service_name 
            [ default | no ] hss-purge-ue-request imsimgr-initiated  
            end 

NOTES:

  • default : MME sends Purge-UE-Request (PUR) to HSS during deletion of subscriber information in old session manager initiated by IMSI manager.

  • no : Disables sending Purge-UE-Request (PUR) to HSS during deletion of subscriber information in old session manager initiated by IMSI manager.

  • hss-purge-ue-request : Configure to enable/disable sending Purge-UE-Request (PUR) to HSS.

  • imsimgr-initiated : Purge-UE-Request (PUR) to HSS during deletion of subscriber information in old session manager.

Performance Indicator Changes

show mme-service all

The output of this command includes "IMSIMGR HSS Purge UE Request" field to indicate IMSI manager HSS Purge UE request is enabled or not.