TAU Response

Frame 761: 110 bytes on wire (880 bits), 110 bytes captured (880 bits) on interface \Device\NPF_{CA24A99E-E0D2-4465-AD8C-4FEA558F3AD3}, id 0
    Interface id: 0 (\Device\NPF_{CA24A99E-E0D2-4465-AD8C-4FEA558F3AD3})
        Interface name: \Device\NPF_{CA24A99E-E0D2-4465-AD8C-4FEA558F3AD3}
        Interface description: Ethernet
    Encapsulation type: Ethernet (1)
    Arrival Time: Jan  4, 2023 20:07:37.974367000 Hora Padrão da África do Sul
    [Time shift for this packet: 0.000000000 seconds]
    Epoch Time: 1672855657.974367000 seconds
    [Time delta from previous captured frame: 0.001541000 seconds]
    [Time delta from previous displayed frame: 0.001541000 seconds]
    [Time since reference or first frame: 14.887353000 seconds]
    Frame Number: 761
    Frame Length: 110 bytes (880 bits)
    Capture Length: 110 bytes (880 bits)
    [Frame is marked: False]
    [Frame is ignored: False]
    [Protocols in frame: eth:ethertype:ip:sctp:s1ap:nas-eps]
Ethernet II, Src: IntelCor_bc:7c:d4 (00:1b:21:bc:7c:d4), Dst: Cisco_f2:7e:20 (c4:64:13:f2:7e:20)
    Destination: Cisco_f2:7e:20 (c4:64:13:f2:7e:20)
        Address: Cisco_f2:7e:20 (c4:64:13:f2:7e:20)
        .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
    Source: IntelCor_bc:7c:d4 (00:1b:21:bc:7c:d4)
        Address: IntelCor_bc:7c:d4 (00:1b:21:bc:7c:d4)
        .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
    Type: IPv4 (0x0800)
Internet Protocol Version 4, Src: 10.10.5.12, Dst: 10.0.0.114
    0100 .... = Version: 4
    .... 0101 = Header Length: 20 bytes (5)
    Differentiated Services Field: 0x02 (DSCP: CS0, ECN: ECT(0))
        0000 00.. = Differentiated Services Codepoint: Default (0)
        .... ..10 = Explicit Congestion Notification: ECN-Capable Transport codepoint '10' (2)
    Total Length: 96
    Identification: 0x0000 (0)
    Flags: 0x40, Don't fragment
        0... .... = Reserved bit: Not set
        .1.. .... = Don't fragment: Set
        ..0. .... = More fragments: Not set
    ...0 0000 0000 0000 = Fragment Offset: 0
    Time to Live: 64
    Protocol: SCTP (132)
    Header Checksum: 0x2091 [validation disabled]
    [Header checksum status: Unverified]
    Source Address: 10.10.5.12
    Destination Address: 10.0.0.114
Stream Control Transmission Protocol, Src Port: 36412 (36412), Dst Port: 36412 (36412)
    Source port: 36412
    Destination port: 36412
    Verification tag: 0x70503399
    [Association index: disabled (enable in preferences)]
    Checksum: 0x56a9c61e [unverified]
    [Checksum Status: Unverified]
    SACK chunk (Cumulative TSN: 1884305629, a_rwnd: 150000, gaps: 0, duplicate TSNs: 0)
        Chunk type: SACK (3)
            0... .... = Bit: Stop processing of the packet
            .0.. .... = Bit: Do not report
        Chunk flags: 0x00
            .... ...0 = Nounce sum: 0
        Chunk length: 16
        Cumulative TSN ACK (absolute): 1884305629
        Advertised receiver window credit (a_rwnd): 150000
        Number of gap acknowledgement blocks: 0
        Number of duplicated TSNs: 0
    DATA chunk (ordered, complete segment, TSN: 3, SID: 6, SSN: 184, PPID: 18, payload length: 30 bytes)
        Chunk type: DATA (0)
            0... .... = Bit: Stop processing of the packet
            .0.. .... = Bit: Do not report
        Chunk flags: 0x03
            .... 0... = I-Bit: Possibly delay SACK
            .... .0.. = U-Bit: Ordered delivery
            .... ..1. = B-Bit: First segment
            .... ...1 = E-Bit: Last segment
        Chunk length: 46
        Transmission sequence number (relative): 3
        Transmission sequence number (absolute): 3754475413
        Stream identifier: 0x0006
        Stream sequence number: 184
        Payload protocol identifier: S1 Application Protocol (S1AP) (18)
        Chunk padding: 0000
S1 Application Protocol
    S1AP-PDU: initiatingMessage (0)
        initiatingMessage
            procedureCode: id-downlinkNASTransport (11)
            criticality: ignore (1)
            value
                DownlinkNASTransport
                    protocolIEs: 3 items
                        Item 0: id-MME-UE-S1AP-ID
                            ProtocolIE-Field
                                id: id-MME-UE-S1AP-ID (0)
                                criticality: reject (0)
                                value
                                    MME-UE-S1AP-ID: 1479049
                        Item 1: id-eNB-UE-S1AP-ID
                            ProtocolIE-Field
                                id: id-eNB-UE-S1AP-ID (8)
                                criticality: reject (0)
                                value
                                    ENB-UE-S1AP-ID: 497
                        Item 2: id-NAS-PDU
                            ProtocolIE-Field
                                id: id-NAS-PDU (26)
                                criticality: reject (0)
                                value
                                    NAS-PDU: 074b60
                                    Non-Access-Stratum (NAS)PDU
                                        0000 .... = Security header type: Plain NAS message, not security protected (0)
                                        .... 0111 = Protocol discriminator: EPS mobility management messages (0x7)
                                        NAS EPS Mobility Management Message Type: Tracking area update reject (0x4b)
                                        EMM cause
                                            Cause: Invalid mandatory information (96)