Pdn Gateway In The E-Utran/Epc Network - Cisco ASR 5000 series Product Overview

PDN Gateway Overview
For more information on the Gy interface and online accounting, refer to
Functionality - Base Software section of this guide.

PDN Gateway in the E-UTRAN/EPC Network

The following figure displays a simplified network view of the P-GW and how it interconnects with other 3GPP
Evolved-UTRAN/Evolved Packet Core network devices.
Figure 132. P-GW in the E-UTRAN/EPC Network
E-UTRAN
EPC
Signaling Interface
Bearer Interface
OL-22938-02
MME
S1-MME
S1-U
eNodeB
Gy Interface Support
OFCS
Gxc
S11
S-GW
S5/S8
SGi
Enterprise
Internet
Network Deployment(s) ▀
in the Features and
S6a
PCRF
Rf / Gz
Gx
P-GW
S6b
Gy
S2c
S2b
Trusted/Untristed
Non-3GPP Devices
Cisco ASR 5000 Series Product Overview ▄
HSS
SWx
3GPP
AAA
OCS