Cisco Cisco ASR 5500

Cisco

• Application: SBc-AP

• Transport Layer: SCTP

• Network Layer: IPv4, IPv6

• Data Link Layer: ARP

• Physical Layer: Ethernet

SGs Interface

The SGs interface connects the MSC Server and the MME to support circuit switched fallback and SMS in
an EPS scenario.

Supported protocols:

• Application: SGs-AP

• Transport Layer: SCTP

• Network Layer: IPv4, IPv6

• Data Link Layer: ARP

• Physical Layer: Ethernet

MME Administration Guide, StarOS Release 19

10

Mobility Management Entity Overview

MME in the E-UTRAN/EPC Network