▀ Features and Functionality - Optional Enhanced Feature Software
Figure 7. GRE Deployment Scenario
Mobile
Node
Access
Network
GGSN
Gx Interface Support
Gx interface support on the system enables the wireless operator to:
▄ Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide
Corporate A
gateway
GRE Tunnel
IPv4
Network
GRE Tunnel
Corporate B
gateway
GGSN Support in GPRS/UMTS Wireless Data Services
Corporate A
network
Corporate B
network
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