Session Setup Timer during Attach Procedure

This section covers the session setup timer during attach procedure.

The following table represents cnSGW-C behavior for the session timeout scenarios:

cnSGW-C Behavior for Session Timeout Failure Scenarios

Scenarios

Sx Signaling (Revert)

S11 Signaling (Revert)

S5 Signaling

Output

Session setup timeout expired after SGW sends Create Session Response to MME and waits for the Modify Bearer Request from MME.

Sx Delete Request (To delete traffic endpoint for newly created bearers)

Delete Session Request

Delete Bearer Request

Session/PDN is deleted