In wireless applications, the S2b interface is a 4G interface between the PGW and ePDG.
Overview
S2b interface is between the PGW and ePDG. It uses the PMIPv6 protocol to establish WLAN sessions between the UE and the PGW.
Network Diagram
Messages
- Create Session Request/Response
- Modify Session Request/Response
- Delete Session Request/Response
Call Flows
Standards
- 3GPP TS 29.274
Related Products and Protocols
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