Default Bearer with s1u as local-purge Call Flow

This section describes Default Bearer with s1u as local-purge call flow.

Default Bearer with s1u as local-purge Call Flow
Default Bearer with s1u as local-purge Call Flow Description

Step

Description

1, 2

Initial attach complete.

3, 4, 5

  • UPF sends Sx_Session_Report_Request with report type as ERIR and s1u TEID.

  • cnSGW-C responds with Sx_Session_Report_Response.

6, 7

cnSGW-C processes Sx_Session_Report_Request.

gtpuErrorInd:

s1u: local-purge

If TEID received is for default bearer, submit internal transaction (T2) to clean up bearer (No peer signaling).

  • Send Sx_Session_Deletion_Request.

  • UPF responds with Sx_Session_Deletion_Response.