NETGEAR RT338 Manual de usuario

M-RT338NA-1

December 1999

NETGEAR,Inc.

A Bay Networks Company

4401 Great America Parkway

Santa Clara, CA 95054 USA

Phone 888-NETGEAR

Reference Guide for the

Model RT338 ISDN

Router

Trademarks

Bay Networks is a registered trademark of Bay Networks, Inc.

NETGEAR and FirstGear are trademarks of Bay Networks, Inc.

Microsoft, Windows, and Windows NT are registered trademarks of Microsoft Corporation.

Other brand and product names are registered trademarks or trademarks of their respective holders.

Statement of Conditions

In the interest of improving internal design, operational function, and/or reliability, NETGEAR reserves the right to

make changes to the products described in this document without notice.

NETGEAR does not assume any liability that may occur due to the use or application of the product(s) or circuit

layout(s) described herein.

Federal Communications Commission (FCC) Compliance Notice: Radio Frequency Notice

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

• This device may not cause harmful interference.

• This device must accept any interference received, including interference that may cause undesired operation.

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to

part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a

residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and

used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no

guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to

radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try

to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

iii

FCC Part 68 Compliance Statement

This equipment complies with Part 68 of FCC Rules. All direct connections to telephone network lines must be made

using standard plugs and jacks compliant with FCC Part 68.

EN 55 022 Declaration of Conformance

This is to certify that the Model RT338 ISDN Router is shielded against the generation of radio interference in

accordance with the application of Council Directive 89/336/EEC, Article 4a. Conformity is declared by the application

of EN 55 022 Class B (CISPR 22).

Bestätigung des Herstellers/Importeurs

Es wird hiermit bestätigt, daß das Model RT338 ISDN Router gemäß der im BMPT-AmtsblVfg 243/1991 und Vfg 46/

1992 aufgeführten Bestimmungen entstört ist. Das vorschriftsmäßige Betreiben einiger Geräte (z.B. Testsender) kann

jedoch gewissen Beschränkungen unterliegen. Lesen Sie dazu bitte die Anmerkungen in der Betriebsanleitung.

Das Bundesamt für Zulassungen in der Telekommunikation wurde davon unterrichtet, daß dieses Gerät auf den Markt

gebracht wurde und es ist berechtigt, die Serie auf die Erfüllung der Vorschriften hin zu überprüfen.

Certificate of the Manufacturer/Importer

It is hereby certified that the Model RT338 ISDN Router has been suppressed in accordance with the conditions set out

in the BMPT-AmtsblVfg 243/1991 and Vfg 46/1992. The operation of some equipment (for example, test transmitters)

in accordance with the regulations may, however, be subject to certain restrictions. Please refer to the notes in the

operating instructions.

Federal Office for Telecommunications Approvals has been notified of the placing of this equipment on the market

and has been granted the right to test the series for compliance with the regulations.

VCCI-2 Statement

This equipment is in the 2nd Class category (information equipment to be used in a residential area or an adjacent area

thereto) and conforms to the standards set by the Voluntary Control Council for Interference by Data Processing

Equipment and Electronic Office Machines aimed at preventing radio interference in such residential areas.

When used near a radio or TV receiver, it may become the cause of radio interference.

Read instructions for correct handling.

Customer Support

For assistance with installing and configuring your NETGEAR system or with post-installation questions or problems,

contact your point of purchase representative.

If you experience difficulties with your Model RT338 ISDN Router, refer to the Troubleshooting section of this manual.

Additional troubleshooting tips are available on the NETGEAR World Wide Web home page. Basic support is also

provided by NETGEAR. Refer to the Support Information card that was included with your router for the customer

support phone number in your country. When calling, please have your configuration information ready.

World Wide Web

NETGEAR maintains a World Wide Web home page that you can access at the http://www.NETGEAR.com universal

resource locator (URL). A direct connection to the Internet and a Web browser such as Internet Explorer or Netscape are

required.

Contents v

Contents

Preface

Purpose of this Document ...............................................................................................xxi

Audience for this Document .............................................................................................xxi

Conventions ....................................................................................................................xxii

Special Message Formats ........................................................................................xxii

Use of Enter, Type, Press, and Click .......................................................................xxii

Other Conventions ..................................................................................................xxiii

Related Publications ......................................................................................................xxiii

Chapter 1

Introduction

About the Router ............................................................................................................1-1

Features ..........................................................................................................................1-1

Key Features ............................................................................................................1-2

ISDN Support ...........................................................................................................1-3

Multilink PPP Support ..............................................................................................1-3

TCP/IP Support ........................................................................................................1-4

IP Address Masquerading by Dynamic NAT+ ....................................................1-4

Port Forwarding with NAT ..................................................................................1-4

Automatic Configuration of Attached PCs by DHCP .........................................1-4

DNS Proxy .........................................................................................................1-4

Security ....................................................................................................................1-4

PAP and CHAP Authentication ..........................................................................1-4

Calling Line Identification ...................................................................................1-5

Callback .............................................................................................................1-5

Management Support ..............................................................................................1-5

Basic Router Concepts ...................................................................................................1-5

What is a Router? ....................................................................................................1-6

Routing Information Protocol ...................................................................................1-6

vi Contents

IP Addresses and the Internet .................................................................................1-6

Netmask ...................................................................................................................1-8

Subnet Addressing ...................................................................................................1-8

Private IP Addresses ..............................................................................................1-11

Single IP Address Operation Using NAT ................................................................1-11

MAC Addresses and Address Resolution Protocol ................................................1-12

Domain Name System Server ................................................................................1-13

Chapter 2

Installing and Connecting the Router

Package Contents ..........................................................................................................2-1

Local Network Requirements .........................................................................................2-2

Hardware Requirements ..........................................................................................2-2

Software Requirements ............................................................................................2-2

Router Description ..........................................................................................................2-3

Connecting the Serial Cable (Optional) ....................................................................2-4

Connecting to the ISDN Port ....................................................................................2-5

Connecting the Ethernet Cable ................................................................................2-5

Connecting the Model RT338 Router to a Single PC ........................................2-5

Connecting the Model RT338 Router to a Hub or Switch ..................................2-5

Connecting a Telephone, Fax Machine, or Modem ..................................................2-5

Connecting the Power Adapter ................................................................................2-6

Verifying Power ........................................................................................................2-6

Chapter 3

Preparing Your Network

ISDN Services Checklist .................................................................................................3-1

European Services ...................................................................................................3-1

North American Services .........................................................................................3-1

ISP Checklist ..................................................................................................................3-3

Single-User Account ................................................................................................3-3

LAN Account ............................................................................................................3-3

Account Information .................................................................................................3-3

Installing TCP/IP .............................................................................................................3-4

Configuring TCP/IP .........................................................................................................3-4

Selecting IP Addresses for Your Network .......................................................................3-5

Contents vii

Connecting for Configuration ..........................................................................................3-6

Connecting Through a Serial Port ............................................................................3-6

Connecting with Microsoft Windows HyperTerminal ..........................................3-6

Reconnecting with Microsoft Windows HyperTerminal ....................................3-12

Connecting Through a Telnet Connection ..............................................................3-12

Chapter 4

Initial Router Configuration

Configuration Methods ...................................................................................................4-1

Using the FirstGear Router Configuration Utility ............................................................4-2

Installing FirstGear ...................................................................................................4-2

Choosing Between the Setup Wizard and Advanced Setup ....................................4-2

Starting FirstGear .....................................................................................................4-3

Reading the Current Configuration ..........................................................................4-3

Using the Manager Interface Configuration Method .......................................................4-4

Turning On Power to the Router ...............................................................................4-4

Navigating the Manager Interface ............................................................................4-5

Manager Interface Menu Summary .........................................................................4-6

General Setup Menu ................................................................................................4-7

ISDN Setup Menu ....................................................................................................4-7

North American ISDN Menu ..............................................................................4-8

ISDN Advanced Setup Menu (North America) ............................................4-9

DSS1 ISDN Menu ............................................................................................4-10

ISDN Advanced Setup Menu (DSS1) ........................................................4-11

Ethernet Setup .......................................................................................................4-13

General Setup Menu ........................................................................................4-13

TCP/IP and DHCP Setup ................................................................................4-13

Setting the Manager Interface Password ...............................................................4-17

Chapter 5

Using FirstGear to Configure Internet Access

Configuring Internet Access with the Wizard ..................................................................5-1

Entering the ISDN Line Information .........................................................................5-1

North America ISDN Configuration ...................................................................5-2

DSS1 ISDN Configuration .................................................................................5-3

Initializing ISDN and Performing the Loopback Test ................................................5-5

viii Contents

Setting ISP Parameters ............................................................................................5-6

Performing the ISP Connection Test ........................................................................5-7

Completing the Configuration ...................................................................................5-8

Using Advanced Setup ...................................................................................................5-9

Advanced Setup .......................................................................................................5-9

Menu Bar Commands ......................................................................................5-10

Advanced Setup Window Tabs ........................................................................5-10

General Tab .....................................................................................................5-11

ISDN Tab .........................................................................................................5-11

North America ISDN Configuration ...........................................................5-12

ISDN Advanced Features Tab ...................................................................5-13

Europe ISDN Configuration .......................................................................5-15

Ethernet Tab ....................................................................................................5-17

Remote Node Tab ............................................................................................5-19

Adding or Configuring a Remote Node .....................................................5-19

Selecting PPP Detail on the Remote Node Tab ........................................5-22

Selecting TCP/IP Detail on the Remote Node Tab ....................................5-24

Static Routes Tab ............................................................................................5-26

Chapter 6

Using the Manager Interface to Configure Internet Access

Information Checklist ......................................................................................................6-1

Configuring Internet Access ...........................................................................................6-2

Configuring for Local Servers with NAT ..........................................................................6-4

Local Web and FTP Server Example ................................................................6-5

Local Game Host or Videoconference Example ................................................6-5

Backup ISP Accounts .....................................................................................................6-6

Configuring for a Backup ISP ...................................................................................6-6

Switching to a Backup ISP .......................................................................................6-8

Chapter 7

Remote Node Configuration

LAN-to-LAN Application ..................................................................................................7-1

Remote Node Setup .......................................................................................................7-2

Editing PPP Options .......................................................................................................7-6

Bandwidth on Demand ...................................................................................................7-8

Contents ix

Editing IP Options ...........................................................................................................7-9

Editing Filter Sets .........................................................................................................7-11

Setting Static Routes ....................................................................................................7-13

Chapter 8

Configuring Dial-In Access

Setting Up Default Dial-In Access ..................................................................................8-1

Setting Up Dial-In Users .................................................................................................8-5

RADIUS Authentication ..................................................................................................8-7

RADIUS Server Configuration ..................................................................................8-7

RADIUS Client Configuration ...................................................................................8-8

The Key Field ...........................................................................................................8-9

Adding Users to the RADIUS Database ...................................................................8-9

Using RADIUS Authentication for CLID ...................................................................8-9

Chapter 9

Configuring Filters

Router Filter Structure ....................................................................................................9-2

Configuring a Filter Set ...................................................................................................9-2

Configuring a Filter Rule .................................................................................................9-4

TCP/IP Filter Rule ....................................................................................................9-4

Generic Filter Rule ...................................................................................................9-6

Applying a Filter Set .......................................................................................................9-7

Cascading Filter Sets ...............................................................................................9-8

Reducing Unnecessary Calls by Microsoft Windows .....................................................9-8

Diagnosing the Situation ..........................................................................................9-8

Implementing the Filter ...........................................................................................9-10

Applying the Filter ..................................................................................................9-12

Chapter 10

Advanced Phone Features

Setting Up Supplemental Phone Service .....................................................................10-1

Call Waiting ............................................................................................................10-2

Three Way Calling ..................................................................................................10-3

Call Transfer ...........................................................................................................10-3

Call Forwarding ......................................................................................................10-4

xContents

Chapter 11

System Maintenance

System Status ..............................................................................................................11-1

System Information ................................................................................................11-4

Terminal Baud Rate ......................................................................................................11-5

Log and Trace ...............................................................................................................11-5

View Error Log .......................................................................................................11-5

UNIX Syslog and Accounting .................................................................................11-6

Diagnostic Menu ...........................................................................................................11-8

Call Testing and TCP/IP Tools ..............................................................................11-10

System Tools ........................................................................................................11-11

Back Up and Restore Configuration ...........................................................................11-11

Backing Up and Restoring the Configuration with a Serial Connection ...............11-12

Backing Up and Restoring the Configuration Using TFTP ...................................11-13

Software Update .........................................................................................................11-13

Updating Router Software Using a Serial Connection .........................................11-13

Updating Router Software Using TFTP ................................................................11-14

Using Command Interpreter Mode .............................................................................11-15

Configuring Call Control .............................................................................................11-15

Configuring the Blacklist .......................................................................................11-15

Configuring Budget Management ........................................................................11-15

Viewing Call History .............................................................................................11-16

Setting Call Control Parameters ...........................................................................11-16

Configuring the Manager Interface Password ............................................................11-17

Chapter 12

Troubleshooting

Basic Functioning .........................................................................................................12-1

PWR LED ...............................................................................................................12-1

Test LED .................................................................................................................12-2

LAN Link LED .........................................................................................................12-2

Troubleshooting the ISDN Line .....................................................................................12-2

ISDN Initialization or Reset ....................................................................................12-3

ISDN Loopback Test ..............................................................................................12-3

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