GTPv2-协议描述

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3GPP TS 29.274 V13.1.0 (2015-03)

Technical Specification

3rd Generation Partnership Project;

Technical Specification Group Core Network and Terminals;

3GPP Evolved Packet System (EPS);

Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C);

Stage 3 (Release 13)

The present document has been developed within the 3rd Generation Partnership Project (3GPP TM) and may be further elaborated for the purposes of 3GPP.. The present document has not been subject to any approval process by the 3GPP Organizational Partners and shall not be implemented.

This Specification is provided for future development work within 3GPP only. The Organizational Partners accept no liability for any use of this Specification. Specifications and reports for implementation of the 3GPP TM system should be obtained via the 3GPP Organizational Partners' Publications Offices.

Release 13 2 3GPP TS 29.274 V13.1.0 (2015-03)

Keywords

GSM, UMTS, packet mode, GPRS, LTE

3GPP Postal address

3GPP support office address

650 Route des Lucioles - Sophia Antipolis

Valbonne - FRANCE

Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16

Internet

http://www.3gpp.org

No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media.

? 2015, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).

UMTS? is a Trade Mark of ETSI registered for the benefit of its members

3GPP? is a Trade Mark of ETSI registered for the benefit of its Members and of the 3GPP Organizational Partners

LTE? is a Trade Mark of ETSI currently being registered for the benefit of its Members and of the 3GPP Organizational Partners GSM? and the GSM logo are registered and owned by the GSM Association

3GPP

Release 13 3 3GPP TS 29.274 V13.1.0 (2015-03)

Contents

Foreword........................................................................................................................................................... 10 1 2 3

3.1 3.2 3.3

Scope ...................................................................................................................................................... 11 References .............................................................................................................................................. 11 Definitions, symbols and abbreviations ................................................................................................. 14 Definitions ....................................................................................................................................................... 14 Symbols ........................................................................................................................................................... 14 Abbreviations ................................................................................................................................................... 14

General ................................................................................................................................................... 16

4.1 GTP Tunnel ..................................................................................................................................................... 16 4.2 Protocol stack................................................................................................................................................... 16 4.2.0 General ....................................................................................................................................................... 16 4.2.1 UDP header and port numbers ................................................................................................................... 17 4.2.1.0 General ................................................................................................................................................. 17 4.2.1.1 Initial Messages .................................................................................................................................... 18 4.2.1.2 Triggered Messages .............................................................................................................................. 18 4.2.1.3 Piggybacked Messages ......................................................................................................................... 18 4.2.2 IP header and IP addresses ......................................................................................................................... 18 4.2.2.1 Initial Messages .................................................................................................................................... 18 4.2.2.2 Triggered Messages .............................................................................................................................. 19 4.2.2.3 Piggybacked Messages ......................................................................................................................... 19 4.2.3 Layer 2 ....................................................................................................................................................... 19 4.2.4 Layer 1 ....................................................................................................................................................... 19 4.2.5 Messages with GTPv2 defined replies: Classification of Initial and Triggered Messages ......................... 19 4.3 Transmission Order and Bit Definitions .......................................................................................................... 20 5

GTP Header for Control Plane ............................................................................................................... 20 5.1 General format ................................................................................................................................................. 20 5.2 Control Plane GTP Extension Header ............................................................................................................. 21 5.3 GTP-C header for Echo and Version Not Supported Indication messages ...................................................... 21 5.4 EPC specific GTP-C header............................................................................................................................. 21 5.5 Usage of the GTPv2-C Header ........................................................................................................................ 22 5.5.1 General ............................................................................................................................................................. 22 5.5.2 Conditions for sending TEID=0 in GTPv2-C header ................................................................................. 23 5.6 Format of the GTPv2-C Message .................................................................................................................... 24 6 6.0 6.1

GTP-C Message Types and Message Formats ....................................................................................... 25 General ................................................................................................................................................... 25 Message Format and Type values .................................................................................................................... 25 Message Type............................................................................................................................................. 25 Presence requirements of Information Elements ........................................................................................ 28 Grouped Information Elements .................................................................................................................. 29 Information Element instance .................................................................................................................... 30 Message Granularity ........................................................................................................................................ 30 GTP-C messages .............................................................................................................................................. 31 Path Management Messages ............................................................................................................................ 31 General ....................................................................................................................................................... 31 Echo Request .............................................................................................................................................. 31 Echo Response ........................................................................................................................................... 31 Version Not Supported Indication .............................................................................................................. 32 Tunnel Management Messages ........................................................................................................................ 32 General ....................................................................................................................................................... 32 Create Session Request .............................................................................................................................. 32 Create Session Response ............................................................................................................................ 46 Create Bearer Request ................................................................................................................................ 56 Create Bearer Response ............................................................................................................................. 61

6.1.0 6.1.1 6.1.2 6.1.3 6.2 7 7.1 7.1.0 7.1.1 7.1.2 7.1.3 7.2 7.2.0 7.2.1 7.2.2 7.2.3 7.2.4

3GPP

Release 13 4 3GPP TS 29.274 V13.1.0 (2015-03)

7.2.5 Bearer Resource Command ........................................................................................................................ 66 7.2.6 Bearer Resource Failure Indication ............................................................................................................ 69 7.2.7 Modify Bearer Request .............................................................................................................................. 71 7.2.8 Modify Bearer Response ............................................................................................................................ 85 7.2.9 Delete Session Request and Delete Bearer Request ................................................................................... 91 7.2.9.1 Delete Session Request ......................................................................................................................... 91 7.2.9.2 Delete Bearer Request .......................................................................................................................... 96 7.2.10 Delete Session Response and Delete Bearer Response ............................................................................ 101 7.2.10.1 Delete Session Response .................................................................................................................... 101 7.2.10.2 Delete Bearer Response ...................................................................................................................... 106 7.2.11 Downlink Data Notification messages ..................................................................................................... 110 7.2.11.1 Downlink Data Notification ............................................................................................................... 110 7.2.11.2 Downlink Data Notification Acknowledge ........................................................................................ 114 7.2.11.3 Downlink Data Notification Failure Indication .................................................................................. 115 7.2.12 Delete Indirect Data Forwarding Tunnel Request .................................................................................... 116 7.2.13 Delete Indirect Data Forwarding Tunnel Response ................................................................................. 116 7.2.14 Modify Bearer Command and Failure Indication..................................................................................... 117 7.2.14.1 Modify Bearer Command ................................................................................................................. 117 7.2.14.2 Modify Bearer Failure Indication ....................................................................................................... 119 7.2.15 Update Bearer Request ............................................................................................................................. 121 7.2.16 Update Bearer Response .......................................................................................................................... 126 7.2.17 Delete Bearer Command and Failure Indication ...................................................................................... 130 7.2.17.1 Delete Bearer Command .................................................................................................................... 130 7.2.17.2 Delete Bearer Failure Indication ......................................................................................................... 132 7.2.18 Create Indirect Data Forwarding Tunnel Request .................................................................................... 134 7.2.19 Create Indirect Data Forwarding Tunnel Response ................................................................................. 137 7.2.20 Void .......................................................................................................................................................... 138 7.2.21 Release Access Bearers Request .............................................................................................................. 138 7.2.22 Release Access Bearers Response ............................................................................................................ 139 7.2.23 Stop Paging Indication ............................................................................................................................. 141 7.2.24 Modify Access Bearers Request............................................................................................................... 141 7.2.25 Modify Access Bearers Response ............................................................................................................ 143 7.3 Mobility Management Messages ................................................................................................................... 146 7.3.1 Forward Relocation Request .................................................................................................................... 146 7.3.2 Forward Relocation Response .................................................................................................................. 154 7.3.3 Forward Relocation Complete Notification ............................................................................................. 157 7.3.4 Forward Relocation Complete Acknowledge .......................................................................................... 157 7.3.5 Context Request ....................................................................................................................................... 158 7.3.6 Context Response ..................................................................................................................................... 160 7.3.7 Context Acknowledge .............................................................................................................................. 166 7.3.8 Identification Request .............................................................................................................................. 167 7.3.9 Identification Response ............................................................................................................................ 168 7.3.10 Forward Access Context Notification ...................................................................................................... 169 7.3.11 Forward Access Context Acknowledge ................................................................................................... 169 7.3.12 Detach Notification .................................................................................................................................. 170 7.3.13 Detach Acknowledge ............................................................................................................................... 171 7.3.14 Change Notification Request.................................................................................................................. 171 7.3.15 Change Notification Response ................................................................................................................. 173 7.3.16 Relocation Cancel Request ....................................................................................................................... 174 7.3.17 Relocation Cancel Response .................................................................................................................... 175 7.3.18 Configuration Transfer Tunnel ................................................................................................................. 175 7.3.19 RAN Information Relay ........................................................................................................................... 175 7.3.20 ISR Status Indication ................................................................................................................................ 176 7.3.21 UE Registration Query Request ............................................................................................................... 176 7.3.22 UE Registration Query Response ............................................................................................................. 177 7.4 CS Fallback and SRVCC related messages ................................................................................................... 177 7.4.1 Suspend Notification ................................................................................................................................ 177 7.4.2 Suspend Acknowledge ............................................................................................................................. 179 7.4.3 Resume Notification ................................................................................................................................. 179 7.4.4 Resume Acknowledge .............................................................................................................................. 180 7.4.5 CS Paging Indication ................................................................................................................................ 180 7.4.6 Alert MME Notification ........................................................................................................................... 181

3GPP

Release 13 5 3GPP TS 29.274 V13.1.0 (2015-03)

7.4.7 7.4.8 7.4.9 7.5 7.5.1 7.5.2 7.6 7.7 7.7.0 7.7.1 7.7.2 7.7.3 7.7.4 7.7.5 7.7.6 7.7.7 7.7.8 7.7.9 7.7.10 7.7.11 7.8 7.9 7.9.0 7.9.1 7.9.2 7.9.3 7.9.4 7.9.5 7.9.6 7.9.7 7.9.8 7.10 7.11 7.12 7.12.1 7.12.2 7.13 7.13.1 7.13.2 7.13.3 7.13.4 7.13.5 7.13.6 Alert MME Acknowledge ........................................................................................................................ 181 UE Activity Notification .......................................................................................................................... 181 UE Activity Acknowledge ....................................................................................................................... 182 Non-3GPP access related messages ............................................................................................................... 182 Create Forwarding Tunnel Request .......................................................................................................... 182 Create Forwarding Tunnel Response ....................................................................................................... 182 Reliable Delivery of Signalling Messages ..................................................................................................... 183 Error Handling ............................................................................................................................................... 184 Handling Piggybacked Messages ............................................................................................................. 184 Protocol Errors ......................................................................................................................................... 184 Different GTP Versions ........................................................................................................................... 185 GTP Message of Invalid Length .............................................................................................................. 185 Unknown GTP Message ........................................................................................................................... 185 Unexpected GTP Message ....................................................................................................................... 185 Missing Information Elements ................................................................................................................. 186 Invalid Length Information Element ........................................................................................................ 186 Semantically incorrect Information Element ............................................................................................ 187 Unknown or unexpected Information Element ........................................................................................ 187 Repeated Information Elements ............................................................................................................... 187 TFT Error Handling ................................................................................................................................. 188 Path Failure .................................................................................................................................................... 188 Restoration and Recovery .............................................................................................................................. 188 General ..................................................................................................................................................... 188 Delete PDN Connection Set Request ....................................................................................................... 188 Delete PDN Connection Set Response ..................................................................................................... 188 Update PDN Connection Set Request ...................................................................................................... 189 Update PDN Connection Set Response .................................................................................................... 189 PGW Restart Notification ........................................................................................................................ 190 PGW Restart Notification Acknowledge ................................................................................................. 190 PGW Downlink Triggering Notification .................................................................................................. 191 PGW Downlink Triggering Acknowledge ............................................................................................... 191 Fallback to GTPv1 mechanism ...................................................................................................................... 192 Fallback to GTPv0 ......................................................................................................................................... 192 Trace Management Messages ........................................................................................................................ 193 Trace Session Activation .......................................................................................................................... 193 Trace Session Deactivation ...................................................................................................................... 193 MBMS Messages ........................................................................................................................................... 194 MBMS Session Start Request .................................................................................................................. 194 MBMS Session Start Response ................................................................................................................ 195 MBMS Session Update Request .............................................................................................................. 195 MBMS Session Update Response ............................................................................................................ 195 MBMS Session Stop Request .................................................................................................................. 196 MBMS Session Stop Response ................................................................................................................ 196

8.1 8.2 8.2.1 8.2.2 8.3 8.4 8.5 8.6 8.7 8.8 8.9 8.10 8.11 8.12 8.13 8.14 8.15

GTP-C Information Elements .............................................................................................................. 197 Information Element Types ........................................................................................................................... 197 Information Element Format.......................................................................................................................... 200 General ..................................................................................................................................................... 200 Handling ASN.1/PER encoded parameters .............................................................................................. 200 International Mobile Subscriber Identity (IMSI) ........................................................................................... 200 Cause ............................................................................................................................................................. 201 Recovery (Restart Counter) ........................................................................................................................... 206 Access Point Name (APN) ............................................................................................................................ 206 Aggregate Maximum Bit Rate (AMBR) ........................................................................................................ 207 EPS Bearer ID (EBI)...................................................................................................................................... 207 IP Address ...................................................................................................................................................... 207 Mobile Equipment Identity (MEI) ................................................................................................................. 208 MSISDN ........................................................................................................................................................ 208 Indication ....................................................................................................................................................... 208 Protocol Configuration Options (PCO).......................................................................................................... 211 PDN Address Allocation (PAA) .................................................................................................................... 212 Bearer Quality of Service (Bearer QoS) ........................................................................................................ 212

3GPP

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