Feature Description

The SMF accepts new format of the Outer Header information element (IE) from the UPF. The Packet Detection Rule (PDR) of Packet Forwarding Control Protocol (PFCP) session includes this IE. The Outer Header IE is present in the N4 Session Establishment Request message sent over the Sx interface.

The new formtat of Outer Header IE complies to 3GPP TS 29.244 specification, version 16.4.0.