Foreword1 Scope2 References3 Definitions, symbols and abbreviations4 Protocol Stack5 General description5.1 Introduction5.2 Packet Forwarding Model5.3 Data Forwarding between the CP and UP Functions5.4 Policy and Charging Control5.5 F-TEID Allocation and Release5.6 PFCP Session Handling5.7 Support of Lawful Interception5.8 PFCP Association5.9 Usage of Vendor-specific IE5.10 Error Indication Handling5.11 User plane inactivity detection and reporting5.12 Suspend and Resume Notification procedures5.13 Ethernet traffic (for 5GC)5.14 Support IPv6 Prefix Delegation5.15 Signalling based Trace (De)Activation5.16 Framed Routing5.17 5G UPF (for 5GC)5.18 Enhanced PFCP Association Release5.19 Activation and Deactivation of Pre-defined PDRs5.20 Support of Access Traffic Steering, Switching and Splitting for 5GC5.21 UE IP address/prefix Allocation and Release5.22 PFCP sessions successively controlled by different SMFs of an SMF set (for 5GC)5.23 5G VN Group Communication (for 5GC)5.24 Support of Ultra Reliable Low Latency Communication for 5GC5.25 Support of IPTV (for 5GC)5.26 Support of Time Sensitive Communications and Time Synchronization (for 5GC)5.27 Inter-PLMN User Plane Security5.28 Downlink data delivery status with UPF buffering (for 5GC)5.29 Support Reliable Data Service5.30 Notifying Start Pause of Charging5.31 Support of L2TP5.32 Support of Uplink packets buffering5.33 Support of enhancement of Edge Computing (for 5GC)5.34 Support of 5G Multicast and Broadcast Service5.35 Support of Per Slice UP Resource Allocation and Usage Reporting by the UP Function5.36 Paging Policy Indicator Provisioning6 Procedures7 Messages and Message Formats7.1 Transmission Order and Bit Definitions7.2 Message Format7.3 Message Types7.4 PFCP Node Related Messages7.5 PFCP Session Related Messages7.5.1 General7.5.2 PFCP Session Establishment Request7.5.3 PFCP Session Establishment Response7.5.4 PFCP Session Modification Request7.5.5 PFCP Session Modification Response7.5.6 PFCP Session Deletion Request7.5.7 PFCP Session Deletion Response7.5.8 PFCP Session Report Request7.5.9 PFCP Session Report Response7.6 Error Handling8 Information Elements8.1 Information Elements Format8.2 Information Elements8.2.1 Cause8.2.2 Source Interface8.2.3 F-TEID8.2.4 Network Instance8.2.5 SDF Filter8.2.6 Application ID8.2.7 Gate Status8.2.8 MBR8.2.9 GBR8.2.10 QER Correlation ID8.2.11 Precedence8.2.12 Transport Level Marking8.2.13 Volume Threshold8.2.14 Time Threshold8.2.15 Monitoring Time8.2.16 Subsequent Volume Threshold8.2.17 Subsequent Time Threshold8.2.18 Inactivity Detection Time8.2.19 Reporting Triggers8.2.20 Redirect Information8.2.21 Report Type8.2.22 Offending IE8.2.23 Forwarding Policy8.2.24 Destination Interface8.2.25 UP Function Features8.2.26 Apply Action8.2.27 Downlink Data Service Information8.2.28 Downlink Data Notification Delay8.2.29 DL Buffering Duration8.2.30 DL Buffering Suggested Packet Count8.2.31 PFCPSMReq-Flags8.2.32 PFCPSRRsp-Flags8.2.33 Sequence Number8.2.34 Metric8.2.35 Timer8.2.36 Packet Detection Rule ID (PDR ID)8.2.37 F-SEID8.2.38 Node ID8.2.39 PFD Contents8.2.40 Measurement Method8.2.41 Usage Report Trigger8.2.42 Measurement Period8.2.43 Fully qualified PDN Connection Set Identifier (FQ-CSID)8.2.44 Volume Measurement8.2.45 Duration Measurement8.2.46 Time of First Packet8.2.47 Time of Last Packet8.2.48 Quota Holding Time8.2.49 Dropped DL Traffic Threshold8.2.50 Volume Quota8.2.51 Time Quota8.2.52 Start Time8.2.53 End Time8.2.54 URR ID8.2.55 Linked URR ID IE8.2.56 Outer Header Creation8.2.57 BAR ID8.2.58 CP Function Features8.2.59 Usage Information8.2.60 Application Instance ID8.2.61 Flow Information8.2.62 UE IP Address8.2.63 Packet Rate8.2.64 Outer Header Removal8.2.65 Recovery Time Stamp8.2.66 DL Flow Level Marking8.2.67 Header Enrichment8.2.68 Measurement Information8.2.69 Node Report Type8.2.70 Remote GTP-U Peer8.2.71 UR-SEQN8.2.72 Activate Predefined Rules8.2.73 Deactivate Predefined Rules8.2.74 FAR ID8.2.75 QER ID8.2.76 OCI Flags8.2.77 PFCP Association Release Request8.2.78 Graceful Release Period8.2.79 PDN Type8.2.80 Failed Rule ID8.2.81 Time Quota Mechanism8.2.82 Void8.2.83 User Plane Inactivity Timer8.2.84 Multiplier8.2.85 Aggregated URR ID IE8.2.86 Subsequent Volume Quota8.2.87 Subsequent Time Quota8.2.88 RQI8.2.89 QFI8.2.90 Query URR Reference8.2.91 Additional Usage Reports Information8.2.92 Traffic Endpoint ID8.2.93 MAC address8.2.94 C-TAG (Customer-VLAN tag)8.2.95 S-TAG (Service-VLAN tag)8.2.96 Ethertype8.2.97 Proxying8.2.98 Ethernet Filter ID8.2.99 Ethernet Filter Properties8.2.100 Suggested Buffering Packets Count8.2.101 User ID8.2.102 Ethernet PDU Session Information8.2.103 MAC Addresses Detected8.2.104 MAC Addresses Removed8.2.105 Ethernet Inactivity Timer8.2.106 Subsequent Event Quota8.2.107 Subsequent Event Threshold8.2.108 Trace Information8.2.109 Framed-Route8.2.110 Framed-Routing8.2.111 Framed-IPv6-Route8.2.112 Event Quota8.2.113 Event Threshold8.2.114 Time Stamp8.2.115 Averaging Window8.2.116 Paging Policy Indicator (PPI)8.2.117 APN/DNN8.2.118 3GPP Interface Type8.2.119 PFCPSRReq-Flags8.2.120 PFCPAUReq-Flags8.2.121 Activation Time8.2.122 Deactivation Time8.2.123 MAR ID8.2.124 Steering Functionality8.2.125 Steering Mode8.2.126 Weight8.2.127 Priority8.2.128 UE IP address Pool Identity8.2.129 Alternative SMF IP Address8.2.130 Packet Replication and Detection Carry-On Information8.2.131 SMF Set ID8.2.132 Quota Validity Time8.2.133 Number of Reports8.2.134 PFCPASRsp-Flags8.2.135 CP PFCP Entity IP Address8.2.136 PFCPSEReq-Flags8.2.137 IP Multicast Address8.2.138 Source IP Address8.2.139 Packet Rate Status8.2.140 Create Bridge Info for TSC IE8.2.141 DS-TT Port Number8.2.142 NW-TT Port Number8.2.143 5GS User Plane Node8.2.144 Port Management Information Container8.2.145 Requested Clock Drift Information8.2.146 Time Domain Number8.2.147 Time Offset Threshold8.2.148 Cumulative rateRatio Threshold8.2.149 Time Offset Measurement8.2.150 Cumulative rateRatio Measurement8.2.151 SRR ID8.2.152 Requested Access Availability Information8.2.153 Access Availability Information8.2.154 MPTCP Control Information8.2.155 ATSSS-LL Control Information8.2.156 PMF Control Information8.2.157 MPTCP Address Information8.2.158 UE Link-Specific IP Address8.2.159 PMF Address Information8.2.160 ATSSS-LL Information8.2.161 Data Network Access Identifier8.2.162 Average Packet Delay8.2.163 Minimum Packet Delay8.2.164 Maximum Packet Delay8.2.165 QoS Report Trigger8.2.166 GTP-U Path Interface Type8.2.167 Requested Qos Monitoring8.2.168 Reporting Frequency8.2.169 Packet Delay Thresholds8.2.170 Minimum Wait Time8.2.171 QoS Monitoring Measurement8.2.172 MT-EDT Control Information8.2.173 DL Data Packets Size8.2.174 QER Control Indications8.2.175 NF Instance ID8.2.176 S-NSSAI8.2.177 IP version8.2.178 PFCPASReq-Flags8.2.179 Data Status8.2.180 RDS Configuration Information8.2.181 MPTCP Applicable Indication8.2.182 User Plane Node Management Information Container8.2.183 Number of UE IP Addresses8.2.184 Validity Timer8.2.185 Offending IE Information8.2.186 RAT Type8.2.187 L2TP User Authentication8.2.188 LNS Address8.2.189 Tunnel Preference8.2.190 Calling Number8.2.191 Called Number8.2.192 L2TP Session Indications8.2.193 DNS Server Address8.2.194 NBNS Server Address8.2.195 Maximum Receive Unit8.2.196 Thresholds8.2.197 Steering Mode Indicator8.2.198 Group Id8.2.199 CP IP Address8.2.200 IP Address and Port Number Replacement8.2.201 DNS Query Filter8.2.202 Event Notification URI8.2.203 Notification Correlation ID8.2.204 Reporting Flags8.2.205 Predefined Rules Name8.2.206 MBS Session Identifier8.2.207 Multicast Transport Information8.2.208 MBSN4mbReq-Flags8.2.209 Local Ingress Tunnel8.2.210 MBS Unicast Parameters ID8.2.211 MBSN4Resp-Flags8.2.212 Tunnel Password8.2.213 Area Session ID8.2.214 DSCP to PPI Mapping Information8.2.215 PFCPSDRsp-Flags8.2.216 QER Indications8.2.217 Vendor-Specific Node Report Type8.2.218 Configured Time DomainA.1 Throttling AalgorithmsB.1 CP Selection FunctionB.2 UP Selection FunctionC.1 GeneralC.2 Charging SupportC.2.1 Online ChargingC.2.1.1 Online Charging Call Flow – Normal ScenarioC.2.1.2 Online Charging Call Flow with Credit PoolingD.1 GeneralD.2 ProceduresE.1 GeneralE.2 Multipath TCP Connection SetupE.3 IP Translation Procedure 7.5.1 General 29.2443GPPInterface between the Control Plane and the User Plane nodesRelease 17TS Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM This clause specifies the session related messages used over the Sxa, Sxb and Sxc reference points.