Cisco Cisco ASR 5500

Cisco

HA Administration Guide, StarOS Release 18 ▄

iii

CONTENTS

About this Guide .............................................................................................. xiii

Conventions Used .................................................................................................................................. xiv

Supported Documents and Resources ...................................................................................................xv

Related Common Documentation ...................................................................................................... xv

Related Product Documentation .................................................................................................... xv

Obtaining Documentation .............................................................................................................. xvi

Contacting Customer Support ............................................................................................................... xvii

HA Overview ...................................................................................................... 19

Product Specifications ............................................................................................................................ 20

Hardware Requirements .................................................................................................................... 20

Platforms ........................................................................................................................................ 20

Components ................................................................................................................................... 20

Operating System Requirements ....................................................................................................... 20

MPLS Forwarding with LDP ........................................................................................................... 21

Features and Functionality - Inline Service Support .............................................................................. 22

Content Filtering ................................................................................................................................. 22

Integrated Adult Content Filter ....................................................................................................... 22

ICAP Interface ................................................................................................................................ 22

IPNE Service Support ........................................................................................................................ 23

Network Address Translation (NAT) .................................................................................................. 23

Personal Stateful Firewall .................................................................................................................. 23

Supported Standards .............................................................................................................................. 25

Requests for Comments (RFCs) ........................................................................................................ 25

Network Deployment Configurations ...................................................................................................... 29

Standalone PDSN/FA and HA Deployments ..................................................................................... 29

Interface Descriptions .................................................................................................................... 29

Co-Located Deployments ................................................................................................................... 30

Mobile IP Tunneling Methods ........................................................................................................ 31

How Mobile IP Works ..................................................................................................................... 33

Understanding Mobile IP ........................................................................................................................ 37

Session Continuity Support for 3GPP2 and WiMAX Handoffs .......................................................... 37

Mobile IP Configuration Examples .................................................................. 39

Example 1: Mobile IP Support Using the System as an HA ................................................................... 40

Information Required .......................................................................................................................... 40

Source Context Configuration ........................................................................................................ 40

Destination Context Configuration ................................................................................................. 44

How This Configuration Works ........................................................................................................... 45

Example 2: HA Using a Single Source Context and Multiple Outsourced Destination Contexts ........... 47

Information Required .......................................................................................................................... 48

Source Context Configuration ........................................................................................................ 48

Destination Context Configuration ................................................................................................. 51

System-Level AAA Configuration .................................................................................................. 53

How This Configuration Works ........................................................................................................... 54