Cisco Cisco Packet Data Gateway (PDG) Documentation Roadmaps

Serving Gateway Overview

▀ Network Deployment(s)

▄ Cisco ASR 5000 Series Product Overview

OL-22938-01

Tunneling:

GTP: IPv4 or IPv6 GTP-C (signaling channel) and GTP-U (bearer channel)

Network Layer: IPv4, IPv6

Data Link Layer: ARP

Physical Layer: Ethernet

S-GW

S5/S8 (GTP)

P-GW

L1/L2

GTP-C/U

IPv4 / IPv6

Transport

L1/L2

IPv4 / IPv6

Transport

UDP

GTP-C/U

S1-U Interface

This reference point provides bearer channel tunneling between the eNodeB and the S-GW. It also supports eNodeB
path switching during handovers.

Supported protocols:

Transport Layer: UDP, TCP

Tunneling: IPv4 or IPv6 GTP-U (bearer channel)

Network Layer: IPv4, IPv6

Data Link Layer: ARP

Physical Layer: Ethernet