name: IPUPS
full_form: Inter-PLMN UP Security
context: Requirement Name: IPUPS packeting handling Requirement Reference: TS 33.501[2], clause 5.9.3.4 Requirement Description: The IPUPS only forwards GTP-U packets that contain an F-TEID that belongs to an active PDU session and discard all others as specified in TS 33.501 [2], clause 5.9.3.4. Threat Reference: TR 33.926 [7], Clause L.2.5, "invalid user plane data forwarding" TEST CASE: NOTE 1: This test case is only applicable to UPF supporting IPUPS. Test Name: TC_IPUPS_PACKET_HANDLING Purpose: Verify that the packets not belonging to an active PDU session is discarded. Pre-Conditions: Test environment is set up with a V-SMF, an H-SMF, an H-UPF and a gNB which may be simulated. Execution Steps: 1) The V-SMF requests the UPF with IPUPS functionality under test to establish an N4 session for a PDU session in home-routing roaming. The UPF with IPUPS functionality under test responds to the SMF with the F-TEID for the N9 tunnel towards the H-UPF, and the F-TEID for the N3 tunnel towards the
description: Inter-PLMN UP Security (IPUPS) is a protocol used in the 5G core network to secure user plane data forwarding between different Public Land Mobile Networks (PLMNs). It ensures that only authorized packets are forwarded, and all others are discarded.
explanation: The context mentions IPUPS in relation to packet handling and security requirements, indicating its role as a protocol for securing user plane data forwarding. This classification is based on the provided context from 3GPP TS 33.513.
section_title: 4.2.2.7	IPUPS
biotag_Context: O,O,B-Protocol,O,O,O,O,B-Specification,O,O,O,O,O,O,B-Protocol,O,O,B-Protocol,O,O,O,O,O,O,O,O,O,O,B-Connection,O,O,O,O,O,O,O,O,B-Specification,O,O,O,O,O,O,B-Specification,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Network Function,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Connection,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Network Function,O,O,B-Network Function,O,O,O,O,O,O,O,O,B-Procedure,O,O,B-Network Function,O,B-Protocol,O,O,O,O,O,O,B-Interface,O,O,O,B-Connection,O,O,O,O,O,B-Network Function,O,B-Protocol,O,O,O,O,O,O,B-Network Function,O,O,O,O,O,B-Interface,O,O,O,O,O,O,O,O,O,B-Interface,O,O,O
biotag_Description: B-Protocol,I-Protocol,I-Protocol,O,O,O,O,O,O,O,B-Technology,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O