The S11 interface is is a 4G interface between the MME and SGW.

In wireless applications, the S11 interface is a 4G interface between the MME and SGW.

Overview

S11 interface is between the MME and SGW.  It uses GTP V2 over UDP transport protocol.

Network Diagram

Messages

  • Create Session Request/Response
  • Modify Session Request/Response
  • Delete Session Request/Response

Call Flows

Standards

  • 3GPP TS 29.274