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TS 29.281 (CT4)
GTPv1-U – GPRS Tunnelling Protocol for User plane

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(P) V14.1.0    2017/06    32 p.
(P) V13.3.0    2017/06    32 p.
(P) V12.1.0    2015/01    29 p.
(P) V11.6.0    2013/03    29 p.
(P) V10.3.0    2011/09    27 p.
(P) V9.3.0    2010/06    26 p.
(P) V8.5.0    2010/04    26 p.

Rapporteur:  Mr. Yang, Yong
See also:  TS 29.060    

This TS defines the user plane of GTP used on:
  • the Gn and Gp interfaces of the General Packet Radio Service (GPRS);
  • the Iu, Gn and Gp interfaces of the UMTS system;
  • the S1-U, S11-U, S2a, S2b, X2, S4, S5, S8, S12, M1 and Sn interfaces of the Evolved Packet System (EPS);
This definition ensures full backwards compatibility with RNC, SGSN and GGSN implementations according to release 7 of TS 29.060.

Releases previous to Release-8 have used TS 29.060 as normative definition of the user plane of GTP. This shall be considered when essential corrections are included in the present document or in pre-release-8 version of TS 29.060.

Fallback from GTPv1-U to GTPv0-U shall not be supported. Therefore, 3GPP Rel-8 and onwards GTPv1-U entity should not listen to the well-known GTPv0 port 3386. If GTPv1 entity listens to the GTPv0 port, the entity shall silently discard any received GTPv0-U message.


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1   Scope [R8]   PDF-p. 6
2   References [R8]
3   Definitions and abbreviations [R8]   PDF-p. 7
4   General [R8]   PDF-p. 8
5   GTP-U header [R8]
6   GTP-U Message Formats [R8]

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