Cisco Cisco Tunnel Terminating Gateway (TTG) 故障排查指南

Cisco

Cisco ASR 5000 Series Home Agent Administration ▄

OL-22980-01

C

ONTENTS

About this Guide ................................................................................................. v

Conventions Used .................................................................................................................................................... vi

Contacting Customer Support ............................................................................................................................... viii

HA Overview ........................................................................................................ 9

System Components ............................................................................................................................................... 10

ASR 5000 Platform: .......................................................................................................................................... 10

Supported Standards ............................................................................................................................................... 11

Requests for Comments (RFCs) ........................................................................................................................ 11

Network Deployment Configurations .................................................................................................................... 15

Standalone PDSN/FA and HA Deployments .................................................................................................... 15

Interface Descriptions ................................................................................................................................... 15

Co-Located Deployments .................................................................................................................................. 16

Mobile IP Tunneling Methods ...................................................................................................................... 17

How Mobile IP Works .................................................................................................................................. 20

Understanding Mobile IP ....................................................................................................................................... 24

Session Continuity Support for 3GPP2 and WiMAX Handoffs ........................................................................ 24

Mobile IP Configuration Examples .................................................................. 25

Example 1: Mobile IP Support Using the System as an HA .................................................................................. 26

Information Required......................................................................................................................................... 27

Source Context Configuration ...................................................................................................................... 28

Destination Context Configuration ............................................................................................................... 31

How This Configuration Works ........................................................................................................................ 32

Example 2: HA Using a Single Source Context and Multiple Outsourced Destination Contexts .......................... 35

Information Required......................................................................................................................................... 36

Source Context Configuration ...................................................................................................................... 36

Destination Context Configuration ............................................................................................................... 39

System-Level AAA Configuration ............................................................................................................... 41

How This Configuration Works ........................................................................................................................ 42

Simple IP and Mobile IP in a Single System Configuration Example ......... 45

Using the System as Both a PDSN/FA and an HA................................................................................................. 46

Information Required......................................................................................................................................... 47

Source Context Configuration ...................................................................................................................... 47

AAA Context Configuration ......................................................................................................................... 49

Mobile IP Destination Context Configuration .............................................................................................. 50

Simple IP Destination Context ...................................................................................................................... 54

System-Level AAA Parameter Configuration .............................................................................................. 55

How This Configuration Works ........................................................................................................................ 56

Service Configuration Procedures .................................................................. 59

Creating and Configuring HA Services .................................................................................................................. 60

Creating and Configuring an HA Service .......................................................................................................... 60

Verifying HA Service Configuration ................................................................................................................. 61

Session Continuity Support .................................................................................................................................... 64

Hybrid HA Service Configuration .......................................................................................................................... 66

Configuring WiMAX HA for WiMAX Calls only ............................................................................................ 66