Cisco ASR 5000 series Product Overview page 516

▀ Network Deployment(s)
The Rf reference interface enables offline accounting functions on the P-GW in accordance with 3GPP Release 8
specifications. The P-GW collects charging information for each mobile subscriber UE pertaining to the radio network
usage.
Supported protocols:
Transport Layer: TCP
Network Layer: IPv4, IPv6
Data Link Layer: ARP
Physical Layer: Ethernet
P-GW
Diameter
TCP
IPv4 / IPv6
L1/L2
For more information on Rf accounting, refer to the section in the Features and Functionality - Base Software section of
this guide.
Gy Interface
The Gy reference interface enables online accounting functions on the P-GW in accordance with 3GPP Release 8
specifications.
Supported protocols:
Transport Layer: TCP
Network Layer: IPv4, IPv6
Data Link Layer: ARP
Physical Layer: Ethernet
P-GW
Diameter
TCP
IPv4 / IPv6
L1/L2
▄ Cisco ASR 5000 Series Product Overview
Rf OFCS
Diameter
TCP
IPv4 / IPv6
L1/L2
Gy OCS
Diameter
TCP
IPv4 / IPv6
L1/L2
PDN Gateway Overview
OL-22938-02