6 IP layer
36.4623GPPEvolved Universal Terrestrial Radio Access Network (E-UTRAN) and Wireless LAN (WLAN)Release 17TSXw signalling transport
The eNB shall support Ipv6 (IETF RFC 2460 [2]) and/or Ipv4 (IETF RFC 791 [3]).
The IP layer of Xw only supports point-to-point transmission for delivering Xw-AP message.
The eNB shall support the Diffserv Code Point marking as described in IETF RFC 2474 [4].