Cisco Cisco Packet Data Gateway (PDG) Fehlerbehebungsanleitung
PDN Gateway Configuration
Configuring the System as a Standalone PMIP P-GW Supporting an eHRPD Network ▀
Cisco ASR 5000 Series Packet Data Network Gateway Administration Guide ▄
OL-22985-01
How This Configuration Works
The following figure and supporting text describe how this configuration with a single source and destination context is
used by the system to process a subscriber call originating from the GTP LTE network.
used by the system to process a subscriber call originating from the GTP LTE network.
3GPP AAA
PCRF
Packet Data
Network
P-GW
Local Ctx.
HSGW
Context (Ctx.)
Interface
Service or
Configuration (Cfg.)
Configuration (Cfg.)
1
4
6
8
9
P-GW Ctx.
PDN Ctx.
SGi
LMA Service
S2a
Gx
Diameter
P-GW Service
2
7
IMS Auth
3
Rf
Diameter
Gy
AAA Ctx.
Diameter
S6b
5
1. The S-GW establishes the S5/S8 connection by sending a Create Session Request message to the P-GW
including an Access Point name (APN).
2. The P-GW service determines which context to use to provide AAA functionality for the session. This process is
described in the How the System Selects Contexts section located in the Understanding the System Operation
and Configuration chapter of the System Administration Guide.
and Configuration chapter of the System Administration Guide.
3. The P-GW uses the configured Gx Diameter endpoint to establish the IP-CAN session.