5.12 Suspend and Resume Notification procedures
29.2443GPPInterface between the Control Plane and the User Plane nodesRelease 17TS
Upon receipt of a Suspend Notification message, the PGW-C should request the PGW-U to discard packets received for the suspended PDN connection by:
– setting the DROP flag in the Apply Action IE of the FARs of the corresponding PFCP session; or
– setting the gate fields in the Gate Status IE of QERs to the value CLOSED.
Upon being requested to resume the PDN connection, the PGW-C should re-allow the PGW-U to forward the packets for the PDN connection (unless not permitted for other reasons) by:
– setting the FORW flag in the Apply Action IE of the FARs of the corresponding PFCP session; or
– setting the gate fields in the Gate Status IE of QERs to the value OPEN.