6 IP layer

36.4583GPPEvolved Universal Terrestrial Radio Access Network (E-UTRAN)Release 17SLm interface signalling transportTS

The LMU and E-SMLC shall support IPv6 (IETF RFC 2460 [2]) and/or IPv4 (IETF RFC 791 [3]).

The IP layer of SLmAP only supports point-to-point transmission for delivering SLmAP messages.

The LMU and E-SMLC shall support the Diffserv Code Point marking as described in IETF RFC 2474 [4].