Cisco Cisco Packet Data Interworking Function (PDIF) Guía Para Resolver Problemas
PDN Gateway Overview
Network Deployment(s) ▀
Cisco ASR 5000 Series Packet Data Network Gateway Administration Guide ▄
OL-22985-01
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.
Evolved-UTRAN/Evolved Packet Core network devices.
Figure 4.
P-GW in the E-UTRAN/EPC Network
E-UTRAN
EPC
S-GW
S1-U
S5/S8
S11
Gx
Gxc
S1-MME
eNodeB
S6a
MME
PCRF
3GPP
AAA
S6b
SWx
HSS
Signaling Interface
Bearer Interface
OFCS
OCS
Gy
Internet
SGi
S2b
S2c
Enterprise
P-GW
Trusted/Untristed
Non-3GPP Devices
Rf / Gz