Cisco ASR 5000 series Product Overview page 391

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-22938-02
Gxa PCRF
Diameter
TCP / SCTP
IPv4 / IPv6
L1/L2
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