Hi Interface: NWu Entities; UE and N3IWF
In 5G for vowifi Standalone solution N3IWF is introcuded which is enhancement of epdg in 4G.
EAP is enhanced to have EAP 5G-start flow whenever IKE_AUTH is received without authentication payload.
Wireshark is not decoding this EAP section within the IKE session
Internet Security Association and Key Management Protocol Initiator SPI: f431f77100000000 Responder SPI: ba2aa92d8af41601 Next payload: Identification - Responder (36) Version: 2.0 Exchange type: IKE_AUTH (35) Flags: 0x20 (Responder, No higher version, Response) Message ID: 0x00000001 Length: 97 Payload: Identification - Responder (36) Next payload: Extensible Authentication (48) 0... .... = Critical Bit: Not critical .000 0000 = Reserved: 0x00 Payload length: 51 ID type: FQDN (2) Reserved: 000000 Identification Data:n3iwf.epc.mncxxx.mccxxx.pub.3gppnetwork.org Payload: Extensible Authentication (48) Next payload: NONE / No Next Payload (0) 0... .... = Critical Bit: Not critical .000 0000 = Reserved: 0x00 Payload length: 18 Extensible Authentication Protocol Code: Request (1) Id: 0 Length: 14 Type: Expanded Type (254) Expanded Type EAP-EXT Vendor Id: Unknown (0x28af) EAP-EXT Vendor Type: Unknown (0x03) Data (2 bytes) Data: 0100 [Length: 2]
