Default Bearer with s5u as local-purge/signal-peer Call Flow
This section describes Default Bearer with s5u as local-purge/signal-peer call flow.

Step |
Description |
---|---|
1, 2 |
Initial attach complete. |
3, 4, 5 |
GTPU Error detected on UPF.
|
6-11 |
cnSGW-C processes Session Report Request (ERIR). If TEID is received for default bearer, submit internal transaction to clean up PDN (behavior depends on CLI configured). CLI: sgw-profile config If gtpuErrorInd: s5u: signal-peer
|
12 |
Send Sx_Session_Delete_Request to UPF. |
13 |
UPF responds with Sx_Session_Delete_Response. |