Cisco Cisco Packet Data Gateway (PDG) Guia Do Administrador

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Cisco ASR 5x00 Home Agent Administration Guide ▄

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CONTENTS

About this Guide ................................................................................................ ix

Conventions Used .................................................................................................................................... x

Contacting Customer Support ..................................................................................................................xi

Additional Information .............................................................................................................................. xii

HA Overview ...................................................................................................... 13

Product Specifications ............................................................................................................................ 14

Hardware Requirements .................................................................................................................... 14

Platforms ........................................................................................................................................ 14

Components ................................................................................................................................... 14

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

MPLS Forwarding with LDP ........................................................................................................... 15

Features and Functionality - Inline Service Support .............................................................................. 16

Content Filtering ................................................................................................................................. 16

Integrated Adult Content Filter ....................................................................................................... 16

ICAP Interface ................................................................................................................................ 16

Network Address Translation (NAT) .................................................................................................. 17

Personal Stateful Firewall .................................................................................................................. 17

Supported Standards .............................................................................................................................. 19

Requests for Comments (RFCs) ........................................................................................................ 19

Network Deployment Configurations ...................................................................................................... 23

Standalone PDSN/FA and HA Deployments ..................................................................................... 23

Interface Descriptions .................................................................................................................... 23

Co-Located Deployments ................................................................................................................... 24

Mobile IP Tunneling Methods ........................................................................................................ 25

How Mobile IP Works ..................................................................................................................... 27

Understanding Mobile IP ........................................................................................................................ 31

Session Continuity Support for 3GPP2 and WiMAX Handoffs .......................................................... 31

Mobile IP Configuration Examples .................................................................. 33

Example 1: Mobile IP Support Using the System as an HA ................................................................... 34

Information Required .......................................................................................................................... 34

Source Context Configuration ........................................................................................................ 34

Destination Context Configuration ................................................................................................. 38

How This Configuration Works ........................................................................................................... 39

Example 2: HA Using a Single Source Context and Multiple Outsourced Destination Contexts ........... 41

Information Required .......................................................................................................................... 42

Source Context Configuration ........................................................................................................ 42

Destination Context Configuration ................................................................................................. 45

System-Level AAA Configuration .................................................................................................. 47

How This Configuration Works ........................................................................................................... 48

Simple IP and Mobile IP in a Single System Configuration Example ......... 51

Using the System as Both a PDSN/FA and an HA ................................................................................ 52

Information Required .......................................................................................................................... 52

Source Context Configuration ........................................................................................................ 53