Cisco Digital Media System 3.5 Bedienungsanleitung

Corporate Headquarters

Cisco Systems, Inc.

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USA

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800 553-NETS (6387)

Fax: 408 526-4100

Cisco Access Registrar 3.5 Concepts and

Reference Guide

July 2004

Customer Order Number:

Text Part Number: OL-2683-02

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Cisco Access Registrar 3.5 Concepts and Reference Guide

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CONTENTS

About This Guide ix

Obtaining Documentation ix

World Wide Web ix

Ordering Documentation x

Documentation Feedback x

Obtaining Technical Assistance x

Cisco.com x

Technical Assistance Center xi

Contacting TAC by Using the Cisco TAC Website xi

Contacting TAC by Telephone xi

CHAPTER

1Overview 1-1

RADIUS Protocol 1-1

Steps to Connection 1-2

Types of RADIUS Messages 1-3

Packet Contents 1-3

The Attribute Dictionary 1-4

Proxy Servers 1-4

Basic Authentication and Authorization 1-5

CHAPTER

2Understanding Cisco Access Registrar 2-1

Cisco Access Registrar Hierarchy 2-1

UserLists and Groups 2-2

Profiles 2-2

Scripts 2-2

Services 2-2

Session Management Using Resource Managers 2-3

Cisco AR Directory Structure 2-4

Program Flow 2-4

Scripting Points 2-5

Client or NAS Scripting Points 2-5

Authentication and/or Authorization Scripting Points 2-6

Session Management 2-7

Failover by the NAS and Session Management 2-7

Contents

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Script Processing Hierarchy 2-8

Cross Server Session and Resource Management 2-9

Overview 2-9

Session-Service Service Step and Radius-Session Service 2-10

Configuring a Front Line Cisco Access Registrar 2-10

Configure Central AR 2-11

CHAPTER

3Cisco Access Registrar Scripts 3-1

Using Cisco AR Scripts 3-1

ACMEOutgoingScript 3-1

AltigaIncomingScript 3-1

AltigaOutgoingScript 3-2

ANAAAOutgoing 3-2

AscendIncomingScript 3-2

AscendOutgoingScript 3-2

AuthorizePPP 3-2

AuthorizeService 3-2

AuthorizeSLIP 3-2

AuthorizeTelnet 3-3

CabletronIncoming 3-3

CabletronOutgoing 3-3

CiscoIncoming 3-3

CiscoOutgoing 3-3

CiscoWithODAPIncomingScript 3-3

ExecCLIDRule 3-3

ExecDNISRule 3-4

ExecFilterRule 3-4

ExecNASIPRule 3-4

ExecRealmRule 3-4

ExecTimeRule 3-4

LDAPOutage 3-5

MapSourceIPAddress 3-5

ParseAAARealm 3-5

ParseAAASRealm 3-5

ParseAARealm 3-5

ParseAASRealm 3-5

ParseProxyHints 3-6

ParseServiceAndAAARealmHints 3-6

ParseServiceAndAAASRealmHints 3-6

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ParseServiceAndAARealmHints 3-6

ParseServiceAndAASRealmHints 3-6

ParseServiceAndProxyHints 3-6

ParseServiceHints 3-7

ParseTranslationGroupsByCLID 3-7

ParseTranslationGroupsByDNIS 3-7

ParseTranslationGroupsByRealm 3-7

UseCLIDAsSessionKey 3-7

USRIncomingScript 3-7

USRIncomingScript-IgnoreAccountingSignature 3-7

USROutgoingScript 3-8

CHAPTER

4Understanding Replication 4-1

Replication Overview 4-1

How Replication Works 4-2

Replication Data Flow 4-2

Master Server 4-2

Slave Server 4-3

Security 4-3

Replication Archive 4-3

Ensuring Data Integrity 4-3

Transaction Data Verification 4-4

Transaction Order 4-4

Automatic Resynchronization 4-4

Full Resynchronization 4-5

Understanding Hot-Configuration 4-5

Replication’s Impact on Request Processing 4-5

Replication Configuration Settings 4-5

RepType 4-6

RepTransactionSyncInterval 4-6

Master 4-6

Slave 4-6

RepTransactionArchiveLimit 4-6

RepIPAddress 4-7

RepPort 4-7

RepSecret 4-7

RepIPMaster 4-7

RepMasterIPAddress 4-7

RepMasterPort 4-7

Contents

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Rep Members Subdirectory 4-8

Rep Members/Slave1 4-8

Name 4-8

IPAddress 4-8

Port 4-8

CHAPTER

5Understanding SNMP 5-1

Overview 5-1

Supported MIBs 5-1

RADIUS-AUTH-CLIENT-MIB 5-1

RADIUS-AUTH-SERVER-MIB 5-2

RADIUS-ACC-CLIENT-MIB 5-2

RADIUS-ACC-SERVER-MIB 5-2

SNMP Traps 5-2

Supported Traps 5-3

carServerStart 5-3

carServerStop 5-3

carInputQueueFull 5-3

carInputQueueNotVeryFull 5-3

carOtherAuthServerNotResponding 5-4

carOtherAuthServerResponding 5-4

carOtherAccServerNotResponding 5-4

carOtherAccServerResponding 5-5

carAccountingLoggingFailure 5-5

Configuring Traps 5-5

Directories Searched 5-5

Configuration File Types 5-6

Switching Configuration Files in Mid-File 5-6

Community String 5-7

CHAPTER

6Prepaid Billing Solution 6-1

Overview 6-1

Configuring Prepaid Billing 6-3

Generic Call Flow 6-4

Call Flow Details 6-4

Access-Request (Authentication) 6-5

Access-Accept (Authentication) 6-6

Access-Request (Authorization) 6-6

Access-Accept (Authorization) 6-6

Contents

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Accounting Start 6-7

Data Flow 6-7

Access-Request (Quota Depleted) 6-8

Accept-Accept (Quota Depleted) 6-8

Accounting Stop (Session End) 6-9

Accounting Response (Final Status) 6-9

Vendor-Specific Attributes 6-10

LOSSARY

Contents

viii

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About This Guide

This document provides information to help you understand RADIUS concepts and to help you develop

a better understanding of the Cisco Access Registrar 3.0 server. This document contains the following

chapters:

•Chapter 1, “Overview,” overview of the RADIUS server, including connection steps, RADIUS

message types, and using Cisco Access Registrar as a proxy server.

•Chapter 2, “Understanding Cisco Access Registrar,” describes the Cisco Access Registrar object

structure, and explains when Cisco Access Registrar references each of these objects during the

processing of client requests.

•Chapter 3, “Cisco Access Registrar Scripts,” describes the scripts provided with Cisco Access

Registrar.

•Chapter 4, “Understanding Replication,” describes Cisco Access Registrar's configuration

replication features, functions, limitations and operation.

•Chapter 5, “Understanding SNMP,” provides information about Cisco Access Registrar support for

SNMP.

•Chapter 6, “Prepaid Billing Solution,” describes the generic call flow between the three components

required to support a prepaid billing solution using the RADIUS protocol: the AAA client, the Cisco

Access Registrar 3.0 server, and a prepaid billing server.

This guide also contains a Glossary and an Index.

Obtaining Documentation

The following sections provide sources for obtaining documentation from Cisco Systems.

World Wide Web

You can access the most current Cisco documentation on the World Wide Web at the following sites:

•http://www.cisco.com

•http://www-china.cisco.com

•http://www-europe.cisco.com

Cisco Access Registrar 3.5 Concepts and Reference Guide

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About This Guide

Obtaining Technical Assistance

Ordering Documentation

Cisco documentation is available in the following ways:

•Registered Cisco Direct Customers can order Cisco Product documentation from the Networking

Products MarketPlace:

http://www.cisco.com/cgi-bin/order/order_root.pl

•Registered Cisco.com users can order the Documentation CD-ROM through the online Subscription

Store:

http://www.cisco.com/go/subscription

•Nonregistered Cisco.com users can order documentation through a local account representative by

calling Cisco corporate headquarters (California, USA) at 408 526-7208 or, in North America, by

calling 800 553-NETS(6387).

Documentation Feedback

If you are reading Cisco product documentation on the World Wide Web, you can submit technical

comments electronically. Click Feedback in the toolbar and select Documentation. After you complete

the form, click Submit to send it to Cisco.

You can e-mail your comments to b[email protected].

To submit your comments by mail, use the response card behind the front cover of your document, or

write to the following address:

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We appreciate your comments.

Obtaining Technical Assistance

Cisco provides Cisco.com as a starting point for all technical assistance. Customers and partners can

obtain documentation, troubleshooting tips, and sample configurations from online tools. For Cisco.com

registered users, additional troubleshooting tools are available from the TAC website.

Cisco.com

Cisco.com is the foundation of a suite of interactive, networked services that provides immediate, open

access to Cisco information and resources at anytime, from anywhere in the world. This highly

integrated Internet application is a powerful, easy-to-use tool for doing business with Cisco.

Cisco.com provides a broad range of features and services to help customers and partners streamline

business processes and improve productivity. Through Cisco.com, you can find information about Cisco

and our networking solutions, services, and programs. In addition, you can resolve technical issues with

online technical support, download and test software packages, and order Cisco learning materials and

merchandise. Valuable online skill assessment, training, and certification programs are also available.

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