Conventions Used .................................................................................................................................................. viii

Contacting Customer Support .................................................................................................................................. x

GGSN Support in GPRS/UMTS Wireless Data Services ............................... 11

Product Description ................................................................................................................................................ 12

Product Specification ............................................................................................................................................. 13

Licenses ............................................................................................................................................................. 13

Hardware Requirements .................................................................................................................................... 13

ASR 5000 Platform System Hardware Components .................................................................................... 13

Operating System Requirements ....................................................................................................................... 14

Network Deployment and Interfaces ...................................................................................................................... 15

GGSN in the GPRS/UMTS Data Network ........................................................................................................ 15

Supported Interfaces .......................................................................................................................................... 16

Features and Functionality - Base Software ........................................................................................................... 19

16,000 SGSN Support ....................................................................................................................................... 20

AAA Server Groups .......................................................................................................................................... 20

Access Control List Support .............................................................................................................................. 20

ANSI T1.276 Compliance ................................................................................................................................. 21

APN Support...................................................................................................................................................... 21

Bulk Statistics Support ...................................................................................................................................... 22

Direct Tunnel Support ....................................................................................................................................... 23

DHCP Support ................................................................................................................................................... 24

DSCP Marking .................................................................................................................................................. 25

Generic Corporate APN ..................................................................................................................................... 25

GTPP Support .................................................................................................................................................... 25

Host Route Advertisement ................................................................................................................................. 26

IP Policy Forwarding ......................................................................................................................................... 27

IP Header Compression - Van Jacobson ............................................................................................................ 27

IPv6 Support ...................................................................................................................................................... 28

Management System Overview ......................................................................................................................... 29

Overlapping IP Address Pool Support ............................................................................................................... 31

PDP Context Support ......................................................................................................................................... 32

Per APN Configuration to Swap out Gn to Gi APN in CDRs ........................................................................... 33

Port Insensitive Rule for Enhanced Charging Service ....................................................................................... 33

Quality of Service Support ................................................................................................................................ 33

RADIUS Support ............................................................................................................................................... 34

RADIUS VLAN Support ................................................................................................................................... 35

Routing Protocol Support .................................................................................................................................. 36

Support of Charging Characteristics Provided by AAA Server ......................................................................... 37

Support of all GGSN generated causes for partial G-CDR closure ................................................................... 37

Threshold Crossing Alerts (TCA) Support ........................................................................................................ 38

Features and Functionality - Optional Enhanced Feature Software ....................................................................... 39

Common Gateway Access Support ................................................................................................................... 39

Converged DSL Support on the GGSN ............................................................................................................. 40

Dynamic RADIUS Extensions (Change of Authorization) ............................................................................... 40

GRE Protocol Interface Support ........................................................................................................................ 41

OL-22944-02

Cisco ASR 5000 Series Gateway GPRS Support Node Administration Guide ▄