Cisco Cisco Packet Data Gateway (PDG) Troubleshooting Guide
GRE Protocol Interface
Introduction ▀
Cisco ASR 5000 Series Enhanced Feature Configuration Guide ▄
OL-22982-01
Figure 7.
GRE Interface Deployment Scenario
IPv4
Network
GRE Tunnel
Mobile
Node
GGSN
Corporate B
gateway
Corporate B
network
Corporate A
network
Corporate A
gateway
GRE Tunnel
Access
Network