Broadband Router

Figure 5-22: Service Management

21

Figure 5-23: Advanced Setup Tab - UPnP

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Figure 5-24: Advanced Setup Tab - DDNS

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Figure 5-25: Advanced Setup Tab - Advanced Routing

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Figure 5-26: Advanced Setup Tab - VPN Pass Through

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Figure 5-27: Advanced Setup Tab - Remote Management

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Figure 5-28: Advanced Setup Tab - System Management

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Figure 5-29: Log Tab - System Log

27

Figure 5-30: Log Tab - System Statistics

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Figure B-1: Advanced Setup Tab - System Management

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Figure C-1: IP Configuration Screen

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Figure C-2: MAC Address/Adapter Address

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Figure C-3: MAC Address/Physical Address

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Figure C-4: MAC Address Clone

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Figure D-1: The Utility’s Main Screen

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Figure D-2: The Router Information Screen

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Figure D-3: The On-Line Scheduler

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Figure D-4: The Hit Rate Screen

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Figure D-5: The Real Time Usage Screen

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Figure D-6: The Hit Rate Screen

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Figure D-7: The Performance Optimization Screen

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Figure E-1: Basic Setup Tab - Network

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Figure E-2: Enter Host and Domain Names

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Figure E-3: Select WAN connection Type

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Figure E-4: Obtain an IP automatically

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Figure E-5: Static IP

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Figure E-6: PPPoE

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Figure E-7: Basic Setup Tab - Network

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Chapter 1: Introduction

Welcome

Broadband Router

Chapter 1: Introduction

Welcome

Thank you for choosing the Broadband Router. The Linksys Broadband Router with QoS is a kind of "splitter" for

your Internet connection.

Just connect your DSL or Cable Modem to the Router, and all the computers in your

home or office can share the Internet at the same time.

Use the built-in 4-port switch to attach four local PCs

directly, or daisy-chain out to more hubs and switches as your network grows.

It has Auto MDI/MDI-X cross-over

detection so you don't have to worry about the cable type.

The Router's QoS (Quality of Service) feature lets you define the amount of the available bandwidth for each of

the devices on your network.

This means that you can prioritize time-sensitive data like Voice Over IP phone calls

or streaming media ahead of less sensitive email and web surfing.

The dual Internet ports let you optionally

connect a second Internet line for additional bandwidth.

Of course, once your computers are connected to the Internet through the Router, they can communicate with

each other too, sharing resources and files.

All your computers can print on a shared printer connected

anywhere in the home.

And you can share all kinds of files between computers, like music, digital pictures, and

other documents.

In addition to this, you can control access to the Internet through the Router’s Parental Control features. This

allows you to set a schedule, see what websites and programs are being used, optimize performance, and block

those sites you don’t wish to be accessed.

This user guide will give you all the information you need to connect, set up, and configure your Router.

Ethernet:

a network protocol that specifies

how data is placed on and retrieved from a

common transmission medium.

bandwidth:

the transmission capacity

of a given device or network.

broadband:

an always-on,

fast Internet connection.

browser:

an application program that provides a way to

look at and interact with all the information on the Internet.

DHCP

(

D

ynamic

H

ost

C

onfiguration

P

rotocol) : a networking

protocol that allows administrators to assign temporary IP

addresses to network computers by "leasing" an IP

address to a user for a limited amount of time.

firewall:

a set of related programs located at a

network gateway server that protects the resources

of a network from users from other networks.

network:

a series of computers or devices

connected for the purpose of data sharing,

storage, and/or transmission between users.

router:

a networking device that

connects multiple networks together.

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Chapter 1: Introduction

What’s in this Guide?

Broadband Router

What’s in this Guide?

This user guide covers the steps for setting up and using the Broadband Router.

•

Chapter 1: Introduction

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

•

Chapter 2: Networking Basics

This chapter describes the basics of networking.

•

Chapter 3: Getting to Know the Broadband Router

This chapter describes the physical features of the Router.

•

Chapter 4: Connecting the Broadband Router

This chapter instructs you on how to connect the Router to your network.

•

Chapter 5: Setting Up and Configuring the Router

This chapter explains how to use the Web-Based Utility to set up the Router and configure its settings.

•

Appendix A: Troubleshooting

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

Router’s installation and usage.

•

Appendix B: Upgrading Firmware

This appendix instructs you on how to upgrade the Router’s firmware if you should need to do so.

•

Appendix C: Finding the MAC Address and IP Address for your Ethernet Adapter.

This appendix describes how to find the MAC address for your computer’s Ethernet adapter so you can use

the Router’s MAC address cloning feature.

•

Appendix D: Using the RT042 Utility

This appendix describes the Router Utility that comes on the Router’s CD.

•

Appendix E: The Setup Wizard

This appendix describes the Setup Wizard included with the Web-based utility, for easy Internet set up.

•

Appendix F: Windows Help

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

the TCP/IP protocol.

•

Appendix G: Glossary

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

adapter:

a device that adds network

functionality to your PC.

firmware:

the programming code that

runs a networking device.

IP

(

I

nternet

P

rotocol)

:

a protocol used

to send data over a network.

ip address:

the address used to identify a

computer or device on a network.

MAC

(

M

edia

A

ccess

C

ontrol)

Address

- The unique address

that a manufacturer assigns to each networking device.

TCP

(

T

ransmission

C

ontrol

P

rotocol): a network

protocol for transmitting data that requires

acknowledgement from the recipient of data sent.

TCP/IP

(

T

ransmission

C

ontrol

P

rotocol/

I

nternet

P

rotocol): a set of instructions PCs use to

communicate over a network.

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Chapter 1: Introduction

What’s in this Guide?

Broadband Router

•

Appendix H: Specifications

This appendix provides the Router’s technical specifications.

•

Appendix I: Warranty Information

This appendix contains the Router’s warranty information.

•

Appendix J: Regulatory Information

This appendix supplies the regulatory information regarding the Router.

•

Appendix K: Contact Information

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

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Chapter 2: Networking Basics

An Introduction to LANs

Broadband Router

Chapter 2: Networking Basics

An Introduction to LANs

A Router is a network device that connects two networks together.

The Router connects your local area network (LAN), or the group of PCs in your home or office, to the 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 technology translates IP

addresses of a local area network to a

different IP address for the Internet.

DSL

(

D

igital

S

ubscriber

L

ine)

:

an always-on

broadband connection over traditional phone lines.

FTP

(

F

ile

T

ransfer

P

rotocol)

:

a protocol used

to transfer files over a TCP/IP network.

ISP

(

I

nternet

S

ervice

P

rovider)

:

a company that

provides access to the Internet.

LAN

: the computers and networking products that

make up your local network

Packet:

a unit of data sent over a network.

server

: any computer whose function in a

network is to provide user access to files,

printing, communications, and other services.

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