Cisco ASR 5000 Series Administration Manual page 27

HRPD Serving Gateway Overview
Gxa Interface
This signalling interface supports the transfer of policy control information (QoS) between the HSGW (BBERF) and a
PCRF.
Supported protocols
:
Transport Layer: TCP, SCTP
Network Layer: IPv4, IPv6
Data Link Layer: ARP
Physical Layer: Ethernet
HSGW
Diameter
TCP / SCTP
IPv4 / IPv6
L1/L2
OL-22984-01
Gxa PCRF
Diameter
TCP / SCTP
IPv4 / IPv6
L1/L2
Cisco ASR 5000 Series HRPD Serving Gateway Administration Guide ▄
Network Deployment(s) ▀