8.2.134 PFCPASRsp-Flags
29.2443GPPInterface between the Control Plane and the User Plane nodesRelease 17TS
The PFCPASRsp-Flags IE indicates flags applicable to the PFCP Association Setup Response message. It is coded as depicted in Figure 8.2.134-1.
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Bits |
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Octets |
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
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1 to 2 |
Type = 184 (decimal) |
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3 to 4 |
Length = n |
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5 |
Spare |
UUPSI |
PSREI |
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6 to (n+4) |
These octet(s) is/are present only if explicitly specified |
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Figure 8.2.134-1: PFCPASRsp-Flags
The following bits within Octet 5 shall indicate:
– Bit 1 – PSREI (PFCP Session Retained Indication): if this bit is set to "1", it indicates that an existing PFCP association was already established for the same Node ID and the requested PFCP sessions have been retained. See clause 6.2.6.2.2.
– Bit 2 – UUPSI (UPF configured for IPUPS Indication): if this bit is set to "1", it indicates that the UPF is configured to be used for IPUPS. See clause 5.27.
– Bit 3 to 8 – Spare, for future use, shall be set to "0" by the sender and discarded by the receiver.