Linksys RT31P2-NA - Cisco Broadband Router RT31P2 Manual de usuario

A Division of Cisco Systems, Inc.

Model No.

WIRED with 2 Phone Ports

Broadband Router

RT31P2-NA

User Guide

Broadband Router with 2 Phone Ports

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

rights 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 with 2 Phone Ports has been designed to make understanding networking

with the Router easier than ever. Look for the following items when reading this User 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.

word: definition.

This checkmark means there is a note of interest and

is something you should pay special attention to while

using the Router.

This question mark provides you with a reminder about

something you might need to do while using the Router.

Figure 0-1: Sample Figure Description

RT31P2-NA-UG-40804NC JL

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 4

An Introduction to Local Area Networks 4

The Use of IP Addresses 4

Chapter 3: Getting to Know the Router 6

The Back Panel 6

The Front Panel 7

Chapter 4: Connecting the Router 8

Overview 8

Connection Instructions 9

Chapter 5: Configuring the Router 10

Overview 10

How to Access the Web-based Utility 12

The Setup Tab - Basic Setup 12

The Setup Tab - DDNS 18

The Setup Tab - MAC Address Clone 19

The Setup Tab - Advanced Routing 20

The Security Tab - Filter 22

The Security Tab - VPN Passthrough 24

The Voice Tab - System 25

The Voice Tab - Line1 Settings 26

The Voice Tab - Line2 Settings 29

The Applications & Gaming Tab - Port Range Forwarding 32

The Applications & Gaming Tab - Port Triggering 33

The Applications & Gaming Tab - UPnP Forwarding 34

The Applications & Gaming Tab - DMZ 36

The Administration Tab - Management 39

The Administration Tab - Log 41

The Administration Tab - Factory Defaults 42

The Administration Tab - Firmware Upgrade 43

Broadband Router with 2 Phone Ports

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 58

Appendix B: Upgrading Firmware 62

Appendix C: Finding the MAC Address and IP Address for Your

Ethernet Adapter 63

Windows 98 or Me Instructions 63

Windows 2000 or XP Instructions 63

For the Router’s Web-based Utility 64

Appendix D: Windows Help 65

Appendix E: Glossary 66

Appendix F: Specifications 71

Appendix G: Warranty Information 73

Appendix H: Regulatory Information 74

Appendix I: Contact Information 75

Broadband Router with 2 Phone Ports

List of Figures

Figure 3-1: Back Panel 6

Figure 3-2: Front Panel 7

Figure 4-1: Router Connection Diagram 8

Figure 4-2: Connect a PC 9

Figure 4-3: Connect a Telephone 9

Figure 4-4: Connect the Cable/DSL Modem 9

Figure 4-5: Connect the Power 9

Figure 5-1: Router’s IP Address 12

Figure 5-2: Router Login 12

Figure 5-3: Setup Tab - Basic Setup (Obtain an IP automatically) 12

Figure 5-4: Static IP 13

Figure 5-5: PPPoE 13

Figure 5-6: RAS (for Singtel) 14

Figure 5-7: PPTP 14

Figure 5-8: Heart Beat Signal 15

Figure 5-9: Setup Tab - DDNS (DynDNS.org) 18

Figure 5-10: Setup Tab - DDNS (TZO.com) 18

Figure 5-11: Setup Tab - MAC Clone 19

Figure 5-12: Setup Tab - Advanced Routing 20

Figure 5-13: Routing Table Entry List 21

Figure 5-14: Security Tab - Filter 22

Figure 5-15: Filtered MAC Address 22

Figure 5-16: Security Tab - VPN Passthrough 24

Figure 5-17: Voice Tab - System 25

Figure 5-18: Voice Tab - Line1 26

Figure 5-19: Voice Tab - Line2 29

Figure 5-20: Applications & Gaming Tab - Port Range Forwarding 32

Figure 5-21: Applications & Gaming Tab - Port Triggering 33

Broadband Router with 2 Phone Ports

Figure 5-22: Applications & Gaming Tab - UPnP Forwarding 34

Figure 5-23: Applications & Gaming Tab - DMZ 36

Figure 5-24: Applications & Gaming Tab - QoS 37

Figure 5-25: Administration Tab - Management 39

Figure 5-26: Backup & Restore Configuration 40

Figure 5-27: Administration Tab - Log 41

Figure 5-28: Incoming Log Table 41

Figure 5-29: Outgoing Log Table 41

Figure 5-30: Administration Tab - Factory Defaults 42

Figure 5-31: Administration Tab - Firmware Upgrade 43

Figure 5-32: Status Tab - Voice 44

Figure 5-33: Status Tab - Router 45

Figure 5-34: Status Tab - Local Network 46

Figure 5-35: DHCP Active IP Table 46

Figure B-1: Upgrade Firmware 62

Figure C-1: IP Configuration Screen 63

Figure C-2: MAC Address/Adapter Address 63

Figure C-3: MAC Address/Physical Address 64

Figure C-4: MAC Address Filter 64

Figure C-5: MAC Address Clone 64

Chapter 1: Introduction

Welcome

Broadband Router with 2 Phone Ports

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 the Internet.

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 provider, 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”.

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

recommends that you runthe Setup Wizard on the Setup CD-ROM. Ifyou prefer tomanually set up the Router, use

the instructions in the Quick Installation or this User Guide to help you. These instructions should be all you need

to get the most out of the Router.

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

networkingproductsthat makeupthe network

in your home or office.

Chapter 1: Introduction

What’s in this Guide?

Broadband Router with 2 Phone Ports

What’s in this Guide?

This user 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 theRouter 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 chapter available for reference:

• Chapter 1: Introduction

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

• Chapter 2: Networking Basics

This chapter briefly explains how a network functions.

• 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: Upgrading Firmware

This appendix explains how you can upgrade the Router’s firmware.

• Appendix C: 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 D: Windows Help

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

the TCP/IP protocol.

• Appendix E: Glossary

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

Chapter 1: Introduction

What’s in this Guide?

Broadband Router with 2 Phone Ports

• Appendix F: Specifications

This appendix provides the technical specifications for the Router.

• Appendix G: Warranty Information

This appendix supplies the warranty information for the Router.

• Appendix H: Regulatory Information

This appendix supplies the regulatory information regarding the Router.

• Appendix J: Contact Information

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

Chapter 2: Networking Basics

An Introduction to Local Area Networks

Broadband Router with 2 Phone Ports

Chapter 2: Networking Basics

An Introduction to Local Area Networks

Simply put, a router is a network device that connects two networks together.

TheRouterconnects your localarea network (LAN), or the group ofPCs in your home or office, tothe Internet. The

Router processes and regulates the data that travels between these two networks.

The Router’s Network Address Translation (NAT) technology protects your network of PCs so users on the Internet

cannot “see” your PCs. This is how your LAN remains private. The Router protects your network by inspecting the

first packet coming in through the Internet port before delivery to the final destination on one of the Ethernet

ports. The Router inspects Internet port services like the web server, ftp server, or other Internet applications,

and, if allowed, it will forward the packet to the appropriate PC on the LAN side.

The Use of IP Addresses

IP stands for Internet Protocol. Every device in an IP-based network, including PCs, print servers, and routers,

requires an IP address to identify its location, or address, on the network. This applies to both the Internet and

LAN connections.

There are two ways of assigning IP addresses to your network devices.

A static IP address is a fixed IP address that you assign manually to a PC or other device on the network. Since a

static IP address remains valid until you disable it, static IP addressing ensures that the device assigned it will

always have that same IP address until you change it. Static IP addresses are commonly used with network

devices such as server PCs or print servers.

If you use the Router to share your cable or DSL Internet connection, contact your ISP to find out if they have

assigned a static IP address to your account. If so, you will need that static IP address when configuring the

Router. You can get the information from your ISP.

A dynamic IP address is automatically assigned to a device on the network. These IP addresses are called

dynamic because they are only temporarily assigned to the PC or other device. After a certain time period, they

expire and may change. If a PC logs onto the network (or the Internet) and its dynamic IP address has expired, the

DHCP server will assign it a new dynamic IP address.

dynamic ip address: a temporary IP

address assigned by a DHCP server.

static ip address: a fixed address

assigned to a computer or device that

is connected to a network.

nat (network address translation): NAT

technologytranslatesIP addressesofa

local area network to a different IP

address for the Internet.

dhcp (dynamic host configuration

protocol): a protocol that lets one

device on a local network, known as a

DHCP server, assign temporary IP

addresses to the other network

devices, typically computers.

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