GGSN Configuration Example
5. If subscriber authentication is required, the GGSN authenticates the subscriber by communicating with a
RADIUS server over the AAA interface.
6. The GGSN returns an affirmative Create PDP Context Response to the SGSN over the Gn interface.
7. The MS sends/receives data to/from the packet data network over the GGSN‟s PDN interface.
8. Upon termination of the subscriber session, the GGSN sends GGSN charging detail records to the CGF using
GTPP over the Ga interface.
PPP PDP Context Processing
The following figure and the following text describe how this configuration with a single source and destination context
would be used by the system to process a PPP PDP context.
OL-22944-02
Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄
How This Configuration Works ▀