This IE is used to provide a list of additional UP transport layer information for a split PDU session, along with the associated QoS flows.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
QoS Flow per TNL Information Item | | 1..<maxnoofMultiConnectivityMinusOne> | | |
>QoS Flow per TNL Information | M | |
9.3.2.8 | |
Range bound |
Explanation |
maxnoofMultiConnectivityMinusOne | Maximum no. of connectivity allowed for a UE minus one. Value is 3. The current version of the specification supports 1. |
This IE is used to provide the NG user plane transport layer information associated with a PDU session for an NG-RAN node - UPF pair. In this release it corresponds to an IP address and a GTP Tunnel Endpoint Identifier.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
CHOICE UP Transport Layer Information | M | | | |
>GTP tunnel | | | | |
>>Endpoint IP Address | M | | Transport Layer Address
9.3.2.4 | |
>>GTP-TEID | M | |
9.3.2.5 | |
This IE is the identifier of the LTE E-RAB.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
E-RAB ID | M | | INTEGER (0..15, …) | |
This IE is an IP address.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Transport Layer Address | M | | BIT STRING (SIZE(1..160, …)) | The Radio Network Layer is not supposed to interpret the address information. It should pass it to the Transport Layer for interpretation.
For details, see TS 38.414. |
This IE is the GTP Tunnel Endpoint Identifier to be used for the user plane transport between the NG-RAN node and the UPF.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
GTP-TEID | M | | OCTET STRING (SIZE(4)) | For details and range, see TS 29.281. |
This IE is used to provide the NG control plane transport layer information associated with an NG-RAN node - AMF pair.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
CHOICE CP Transport Layer Information | | | | | - | |
>Endpoint-IP-address | | | | | | |
>>Endpoint IP Address | M | | Transport Layer Address
9.3.2.4 | | - | |
>Endpoint-IP-address-and-port | | | | | YES | reject |
>>Endpoint IP Address | M | | Transport Layer Address
9.3.2.4 | | - | |
>>Port Number | M | | OCTET STRING (SIZE(2)) | | - | |
This IE contains a list of TNL associations. It is used for example to indicate failed TNL association(s).
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
TNL Association Item | | 1..<maxnoofTNLAssociations> | | |
>TNL Association Address | M | | CP Transport Layer Information
9.3.2.6 | |
>Cause | M | |
9.3.1.2 | |
Range bound |
Explanation |
maxnoofTNLAssociations | Maximum no. of TNL Associations between the NG-RAN node and the AMF. Value is 32. |
This IE indicates the NG-U transport layer information and associated list of QoS flows.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
UP Transport Layer Information | M | |
9.3.2.2 | |
Associated QoS Flow List | M | |
9.3.1.99 | |
This IE indicates the usage of the TNL association.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
TNL Association Usage | O | | ENUMERATED (ue, non-ue, both, …) | Indicates whether the TNL association is only used for UE-associated signalling, or non-UE-associated signalling, or both. |
This IE indicates the weight factor of the TNL address.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
TNL Address Weight Factor | M | | INTEGER (0..255) | Value 0 indicates the TNL address is not permitted for the initial NGAP message. If the value for each TNL address is the same, it indicates the deployments that rely solely on 5GC-based load balancing. |
This IE is used to provide a list of uplink UP transport layer information and associated downlink UP transport layer information for a split PDU session.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
UP Transport Layer Information Pair Item | | 1..<maxnoofMultiConnectivityMinusOne> | | |
>UL NG-U UP TNL Information | M | | UP Transport Layer Information
9.3.2.2 | |
>DL NG-U UP TNL Information | M | | UP Transport Layer Information
9.3.2.2 | |
Range bound |
Explanation |
maxnoofMultiConnectivityMinusOne | Maximum no. of connectivity allowed for a UE minus one. Value is 3. The current version of the specification supports 1. |
This IE is used to provide a list of additional UP transport layer information for a split PDU session.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
UP Transport Layer Information Item | | 1..<maxnoofMultiConnectivityMinusOne> | | | - | |
>NG-U UP TNL Information | M | | UP Transport Layer Information
9.3.2.2 | | - | |
>Common Network Instance | O | |
9.3.1.120 | | YES | ignore |
Range bound |
Explanation |
maxnoofMultiConnectivityMinusOne | Maximum no. of connectivity allowed for a UE minus one. Value is 3. The current version of the specification supports 1. |
This IE is used to provide a list of QoS flows with indication if forwarding is accepted.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
Criticality |
Assigned Criticality |
QoS Flow Item with Data Forwarding | | 1..<maxnoofQoSFlows> | | | - | |
>QoS Flow Identifier | M | |
9.3.1.51 | | - | |
>Data Forwarding Accepted | O | |
9.3.1.62 | This IE is included for the QoS flows in the PDU session to be forwarded over the PDU session forwarding tunnel.
It may be included for the QoS flows in the PDU session to be forwarded over the DRB forwarding tunnel(s). | - | |
>Current QoS Parameters Set Index | O | | Alternative QoS Parameters Set Index
9.3.1.152 | Index to the currently fulfilled alternative QoS parameters set | YES | ignore |
Range bound |
Explanation |
maxnoofQoSFlows | Maximum no. of QoS flows allowed within one PDU session. Value is 64. |
This IE is an URI.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
URI | M | | VisibleString | String representing URI (Uniform Resource Identifier) |
This IE provides 5GC TNL information for location dependent and location independent MBS sessions.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
CHOICE Session Type | M | | | |
>location independent | | | | |
>>Shared NG-U Multicast TNL Information | M | |
9.3.2.16 | |
>location dependent | | | | |
>>MBS Session TNL Information 5GC List | | 1 | | |
>>>MBS Session TNL Information 5GC Item | | 1..<maxnoofMBSServiceAreaInformation> | | |
>>>>MBS Area Session ID | M | |
9.3.1.207 | |
>>>>Shared NG-U Multicast TNL Information | M | |
9.3.2.16 | |
Range bound |
Explanation |
maxnoofMBSServiceAreaInformation | Maximum no. of MBS Service Area Information. Value is 256. |
This IE provides the shared NG user plane transport layer information associated with an MBS session at the 5GC.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
IP Multicast Address | M | | Transport Layer Address
9.3.2.4 | |
IP Source Address | M | | Transport Layer Address
9.3.2.4 | |
GTP-TEID at 5GC | M | | GTP-TEID
9.3.2.5 | |
This IE provides NG-RAN TNL information for location dependent and location independent broadcast MBS sessions.
IE/Group Name |
Presence |
Range |
IE type and reference |
Semantics description |
CHOICE Session Type | M | | | |
>location independent | | | | |
>>Shared NG-U Unicast TNL Information | M | | UP Transport Layer Information
9.3.2.2 | |
>location dependent | | | | |
>>MBS Session TNL Information NG-RAN List | | 1 | | |
>>>MBS Session TNL Information NG-RAN Item | | 1..<maxnoofMBSServiceAreaInformation> | | |
>>>>MBS Area Session ID | M | |
9.3.1.207 | |
>>>>Shared NG-U Unicast TNL Information | O | | UP Transport Layer Information
9.3.2.2 | |
Range bound |
Explanation |
maxnoofMBSServiceAreaInformation | Maximum no. of MBS Service Area Information. Value is 256. |