Linksys RT31P2 - Broadband Router Leitfaden

A Division of Cisco Systems, Inc.

Model No.

RT31P2

with 2 Phone Ports

Broadband Router

Installation and Troubleshooting Guide

VoIP

Broadband Router with 2 Phone Ports

Specifications are subject to change without notice. Linksys is a registered trademark or trademark of Cisco Systems,

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

How to Use this Guide

Your guide to the Broadband Router has been designed to make understanding networking with the Phone

Adapter easier than ever. Look for the following items when reading this Guide:

In addition to these symbols, there are definitions for technical terms that are presented like this:

Also, each figure (diagram, screenshot, or other image) is provided with a figure number and description, like

this:

Figure numbers and descriptions can also be found in the “List of Figures” section.

This exclamation point means there is a caution or warning and is

something that could damage your property or the Router.

This question mark provides you with a reminder about something you

might need to do while using the Router.

This checkmark means there is a note of interest and is something you

should pay special attention to while using the Router.

word: definition.

Figure 0-1: Sample Figure Description

RT31P2-UG-41011H BW

WARNING: This product contains chemicals, including lead, known to the State of California to cause

cancer, and birth defects or other reproductive harm. Wash hands after handling.

Broadband Router with 2 Phone Ports

Table of Contents

Chapter 1: Introduction 1

Welcome 1

What’s in this Guide? 2

Chapter 2: Networking Basics 5

An Introduction to Local Area Networks 5

The Use of IP Addresses 5

Chapter 3: Getting to Know the Router 7

The Back Panel 7

The Front Panel 8

Chapter 4: Connecting the Router 11

Overview 11

Connection Instructions 12

Chapter 5: Configuring the Router 13

Overview 13

How to Access the Web-based Utility 15

The Setup Tab - Basic Setup 16

The Setup Tab - DDNS 23

The Setup Tab - MAC Address Clone 25

The Setup Tab - Advanced Routing 26

The Security Tab - Filter 28

The Security Tab - VPN Passthrough 30

The Voice Tab 31

The Applications & Gaming Tab - Port Range Forwarding 31

The Applications & Gaming Tab - Port Triggering 32

Broadband Router with 2 Phone Ports

The Applications & Gaming Tab - UPnP Forwarding 33

The Applications & Gaming Tab - DMZ 36

The Applications & Gaming Tab - QoS 37

The Administration Tab - Management 40

The Administration Tab - Log 42

The Administration Tab - Factory Defaults 43

The Administration Tab - Firmware Upgrade 43

The Status Tab - Voice 44

The Status Tab - Router 45

The Status Tab - Local Network 46

Appendix A: Troubleshooting 47

Common Problems and Solutions 47

Frequently Asked Questions 61

Appendix B: Finding the MAC Address and IP Address for Your Ethernet Adapter 67

Windows 98 or Me Instructions 67

Windows 2000 or XP Instructions 68

For the Router’s Web-based Utility 68

Appendix C: Windows Help 69

Appendix D: Glossary 71

Appendix E: Specifications 77

Appendix F: Warranty Information 79

Appendix G: Regulatory Information 81

Appendix H: Contact Information 83

Broadband Router with 2 Phone Ports

List of Figures

Figure 3-1: Back Panel 7

Figure 3-2: Front Panel 8

Figure 4-1: Router Connection Diagram 11

Figure 4-1: Connect a PC 12

Figure 4-2: Connect a Telephone 12

Figure 4-3: Connect the Modem 12

Figure 4-4: Connect the Power 12

Figure 5-1: Router’s IP Address 15

Figure 5-2: Router Login 15

Figure 5-3: Setup Tab - Basic Setup (Obtain an IP automatically) 16

Figure 5-4: Static IP 17

Figure 5-5: PPPoE 18

Figure 5-6: RAS (for Singtel) 18

Figure 5-7: PPTP 19

Figure 5-8: Heart Beat Signal 20

Figure 5-9: Setup Tab - DDNS (DynDNS.org) 24

Figure 5-10: Setup Tab - DDNS (TZO.com) 24

Figure 5-11: Setup Tab - MAC Address Clone 25

Figure 5-12: Setup Tab - Advanced Routing 26

Figure 5-13: Routing Table Entry List 27

Figure 5-14: Security Tab - Filter 28

Figure 5-15: Filtered MAC Address 29

Broadband Router with 2 Phone Ports

Figure 5-16: Security Tab - VPN Passthrough 30

Figure 5-17: Voice Tab 31

Figure 5-18: Applications & Gaming Tab - Port Range Forwarding 31

Figure 5-19: Applications & Gaming Tab - Port Triggering 32

Figure 5-20: Applications & Gaming Tab - UPnP Forwarding 33

Figure 5-21: Applications & Gaming Tab - DMZ 36

Figure 5-22: Applications & Gaming Tab - QoS 37

Figure 5-23: Administration Tab - Management 40

Figure 5-24: Back up & Restore Configuration 41

Figure 5-25: Administration Tab - Log 42

Figure 5-26: Incoming Log Table 42

Figure 5-27: Outgoing Log Table 42

Figure 5-28: Administration Tab - Factory Defaults 43

Figure 5-29: Administration Tab - Firmware Upgrade 43

Figure 5-30: Status Tab - Voice 44

Figure 5-31: Status Tab - Router 45

Figure 5-32: Status Tab - Local Network 46

Figure 5-33: DHCP Active IP Table 46

Figure B-1: IP Configuration Screen 67

Figure B-2: MAC/Adapter Address 67

Figure B-3: MAC/Physical Address 68

Figure B-4: MAC Address Clone 68

Figure B-5: MAC Address Filter 68

Broadband Router with 2 Phone Ports

Chapter 1: Introduction

Welcome

Chapter 1: Introduction

Welcome

Thank you for choosing the Broadband Router with 2 Phone Ports. This Router will allow your computers to share

a high-speed Internet connection as well as resources, including files and printers. And after you have set up

your Internet phone service, you will be able to make phone or fax calls using your Internet connection.

How does the Router do all of this? By connecting your computers and peripherals, including phones or fax

machines, to the Router and connecting the Router to your cable or DSL modem, then the Router can direct and

control communications for your network.

But what does all of this mean?

Networks are useful tools for sharing Internet access and computer resources. Multiple computers can share

Internet access, so you don’t need more than one high-speed Internet connection. With Internet phone service,

your Internet access can now be shared by your phones or fax machines as well. You will be able to make phone

calls using the account you set up with your Internet phone service, even while you’re surfing the Internet. Plus,

you can access one printer from different computers and access data located on another computer’s hard drive.

Networks are even used for playing multiplayer video games. So, networks not only are useful in homes and

offices, but also can

be fun.

PCs on a wired network create a LAN, or Local Area Network. They are connected with Ethernet cables, which is

why the network is called “wired”. ethernet: an IEEE standard network

protocol that specifies how data is placed

on and retrieved from a common

transmission medium.

lan (local area network): the computers

and networking products that make up

the network in your home or office.

Broadband Router with 2 Phone Ports

2Chapter 1: Introduction

What’s in this Guide?

To create your network, install and set up the Router. To guide you through the process, Linksys strongly

recommends that you run the Setup Wizard on the Setup CD-ROM. If you prefer to manually set up the Router,

use the instructions in the Quick Installation or this Installation and Troubleshooting Guide to help you. These

instructions should be all you need to get the most out of the Router.

What’s in this Guide?

This guide covers the basic steps for setting up a network with a router. After going through “Chapter 3: Getting

to Know the Router,” most users will only need to use the following chapters:

• Chapter 4: Connecting the Router

This chapter instructs you on how to connect the Router to your cable or DSL modem, PCs, and telephones

(or fax machines).

• Chapter 5: Configuring the Router

This chapter explains how to configure the Router using your web browser and the Router’s Web-based

Utility. You will configure the Router using the settings provided by your ISP.

When you’re finished with the basic steps, then you are ready to connect to the Internet.

You also have other chapters available for reference:

• Chapter 1: Introduction

This chapter describes the Router’s applications and this Installation and Troubleshooting Guide.

• Chapter 2: Networking Basics

This chapter briefly explains how a network functions.

Broadband Router with 2 Phone Ports

Chapter 1: Introduction

What’s in this Guide?

• Appendix A: Troubleshooting

This appendix describes some possible problems and solutions, as well as frequently asked questions,

regarding installation and use of the Router.

• Appendix B: Finding the MAC Address and IP Address for Your Ethernet Adapter

This appendix instructs you on how to find the MAC address or Ethernet address of your PC’s Ethernet

network adapter.

• Appendix C: Windows Help

This appendix describes how you can use Windows Help for instructions about networking, such as

installing the TCP/IP protocol.

• Appendix D: Glossary

This appendix gives a brief glossary of terms frequently used in networking.

• Appendix E: Specifications

This appendix provides the technical specifications for the Router.

• Appendix F: Warranty Information

This appendix supplies the warranty information for the Router.

• Appendix G: Regulatory Information

This appendix supplies the regulatory information regarding the Router.

• Appendix H: Contact Information

This appendix provides contact information for a variety of Linksys resources, including Technical Support.

Broadband Router with 2 Phone Ports

4Chapter 1: Introduction

What’s in this Guide?

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