Cisco Cisco ASR 5500

Supported protocols:

• Transport Layer: UDP, TCP

• Tunneling: IPv4 or IPv6 GTPv2-C (signaling channel)

• Network Layer: IPv4, IPv6

• Data Link Layer: ARP

• Physical Layer: Ethernet

S13 Interface

This interface provides communication between MME and Equipment Identity Register (EIR).

One or more S13 interfaces can be configured per system context.

Supported protocols:

• Transport Layer: SCTP or TCP

• Network Layer: IPv4, IPv6

• Data Link Layer: ARP

• Physical Layer: Ethernet

SBc Interface

The SBc interface connects the MME to the Cell Broadcast Center (CBC) to support the Commercial Mobile
Alert System (CMAS) to deliver public warning messages.

Supported protocols:

MME Administration Guide, StarOS Release 19

Mobility Management Entity Overview

MME in the E-UTRAN/EPC Network