Cisco Cisco ASR 5700

Cisco

IPSG Administration Guide, StarOS Release 17 ▄

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CONTENTS

About this Guide ............................................................................................... vii

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

Supported Documents and Resources ....................................................................................................ix

Related Common Documentation ....................................................................................................... ix

Related Product Documentation ..................................................................................................... ix

Obtaining Documentation ............................................................................................................... ix

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

IP Services Gateway Overview ........................................................................ 11

Introduction ............................................................................................................................................. 12

Qualified Platforms ............................................................................................................................. 12

License Requirements........................................................................................................................ 12

How it Works .......................................................................................................................................... 13

RADIUS Server Mode ........................................................................................................................ 13

RADIUS Proxy ............................................................................................................................... 13

RADIUS Snoop Mode ........................................................................................................................ 14

In-line Services ....................................................................................................................................... 15

Application Detection and Control ...................................................................................................... 15

Content Filtering ................................................................................................................................. 15

Enhanced Charging Service .............................................................................................................. 15

Enhanced Feature Support .................................................................................................................... 16

Accounting-On and Accounting-Off Messages .................................................................................. 16

IPSG Server Mode ......................................................................................................................... 16

IPSG Proxy Mode .......................................................................................................................... 16

Content Service Steering ................................................................................................................... 16

Dynamic RADIUS Extensions (Change of Authorization) .................................................................. 17

Gx Interface Support .......................................................................................................................... 17

Gy Interface Support .......................................................................................................................... 18

Lawful Intercept .................................................................................................................................. 18

Multiple IPSG Services....................................................................................................................... 19

Overlapping IP Support over VLAN ................................................................................................... 19

Call Flows for Overlapping IP Support over VLAN ........................................................................ 19

Dictionary Requirements ................................................................................................................ 21

Radius Client IP Validation ................................................................................................................. 22

Session Recovery .............................................................................................................................. 22

IP Services Gateway Configuration ................................................................ 23

Configuration Requirements for the IPSG .............................................................................................. 24

Required Configuration File Components .......................................................................................... 24

Required Component Information .................................................................................................. 25

Configuring the IPSG .............................................................................................................................. 27

IPSG Context and Service Configuration ........................................................................................... 28

Option 1: RADIUS Server Mode Configuration.............................................................................. 28

Option 2: RADIUS Server with Proxy Mode Configuration ............................................................ 28

Option 3: RADIUS Snoop Mode Configuration .............................................................................. 30

ISP Context Configuration .................................................................................................................. 30