Linksys WAG200G Manuel utilisateur

Model No.

ADSL Home Gateway

Wireless-G

WAG200G (EU)

User Guide

WIRELESS

GHz

802.11g

2,4

Wireless-G ADSL Home Gateway

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 Wireless-G ADSL Home Gateway has been designed to make understanding networking with

the Gateway 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 in the “Table of Contents”.

This exclamation point means there is a Caution or

Warning and is something that could damage your

property or the Gateway.

word: definition.

This checkmark means there is a Note of interest and

is something you should pay special attention to while

using the Gateway.

This question mark provides you with a reminder about

something you might need to do while using the Gateway.

Figure 0-1: Sample Figure Description

WAG200G-EU-UG-60328A BW

Wireless-G ADSL Home Gateway

TableofContents

Chapter 1: Introduction 1

Welcome 1

What’s in this User Guide? 2

Chapter 2: Planning Your Network 4

The Gateway’s Functions 4

IP Addresses 4

Chapter 3: Getting to Know the Wireless-G ADSL Home Gateway 6

Ports and Reset Button on Side Panel 6

LEDs on Side Panel 7

Chapter 4: Connecting the Wireless-G ADSL Home Gateway 8

Overview 8

Wired Connection to a Computer 9

Wireless Connection to a Computer 10

Chapter 5: Configuring the Wireless-G ADSL Home Gateway 11

Overview 11

How to Access the Web-based Utility 13

The Setup Tab 13

The Wireless Tab 21

The Security Tab 26

The Access Restrictions Tab 28

The Applications and Gaming Tab 30

The Administration Tab 35

The Status Tab 41

Appendix A: Troubleshooting 45

Common Problems and Solutions 45

Frequently Asked Questions 53

Appendix B: Wireless Security 60

Security Precautions 60

Security Threats Facing Wireless Networks 60

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 64

Wireless-G ADSL Home Gateway

Appendix D: Upgrading Firmware 65

Appendix E: Glossary 66

Appendix F: Specifications 73

Appendix G: Warranty Information 75

Appendix H: Regulatory Information 76

Appendix I: Contact Information 87

Wireless-G ADSL Home Gateway

ListofFigures

Figure 2-1: Network 4

Figure 3-1: Ports and Reset Button on Side Panel 6

Figure 3-2: LEDs on Side Panel 7

Figure 4-1: Connect the ADSL Line 9

Figure 4-2: Connect a PC 9

Figure 4-3: Connect the Power 9

Figure 4-4: Connect the ADSL Line 10

Figure 4-5: Connect the Power 10

Figure 5-1: Login Screen 13

Figure 5-2: Basic Setup 13

Figure 5-3: RFC 1483 Bridged - Dynamic IP 14

Figure 5-4: RFC 1483 Bridged - Static IP 14

Figure 5-5: RFC 1483 Routed 15

Figure 5-6: RFC 2516 PPPoE 15

Figure 5-7: RFC 2364 PPPoA 16

Figure 5-8: Bridged Mode Only 16

Figure 5-9: Optional Settings 17

Figure 5-10: DynDNS.org 18

Figure 5-11: TZO.com 18

Figure 5-12: Advanced Routing 19

Figure 5-13: Routing Table 20

Figure 5-14: Basic Wireless Settings 21

Figure 5-15: WPA Personal 22

Figure 5-16: WEP 23

Figure 5-17: Wireless Network Access 24

Figure 5-18: MAC Address Filter List 24

Figure 5-19: Wireless Client MAC List 24

Figure 5-20: Advanced Wireless Settings 25

Figure 5-21: Security 26

Figure 5-22: Firewall Log 27

Figure 5-23: Internet Access 28

Figure 5-24: Internet Policy Summary 28

Wireless-G ADSL Home Gateway

Figure 5-25: List of PCs 29

Figure 5-26: Add/Edit Service 29

Figure 5-27: Single Port Forwarding 30

Figure 5-28: Port Range Forwarding 31

Figure 5-29: Port Triggering 32

Figure 5-30: DMZ 33

Figure 5-31: QoS 34

Figure 5-32: Management 35

Figure 5-33: Allowed IP - IP Range 35

Figure 5-34: Reporting 37

Figure 5-35: System Log 37

Figure 5-36: Ping Test 38

Figure 5-37: Backup&Restore 38

Figure 5-38: Factory Defaults 39

Figure 5-39: Firmware Upgrade 39

Figure 5-40: Reboot 40

Figure 5-41: Gateway 41

Figure 5-42: Local Network 42

Figure 5-43: DHCP Active IP Table 42

Figure 5-44: ARP/RARP Table 42

Figure 5-45: Wireless 43

Figure 5-46: Networked Computers 43

Figure 5-47: DSL Connection 44

Figure C-1: IP Configuration Screen 63

Figure C-2: MAC Address/Adapter Address 63

Figure C-3: MAC Address/Physical Address 64

Figure D-1: Firmware Upgrade 65

Chapter 1: Introduction

Welcome

Wireless-G ADSL Home Gateway

Chapter1:Introduction

Welcome

Thank you for choosing the Wireless-G ADSL Home Gateway. This Gateway will provide your computers with a

high-speed Internet connection as well as resources, including files and printers. Since the Gateway is wireless,

Internet access can be shared over the wired network as well as the wireless broadcast at up to 11Mbps for

Wireless-B or up to 54Mbps for Wireless-G.

How does the Gateway do all of this? By connecting the Internet, as well as your computers and peripherals, to

the Gateway, then the Gateway can direct and control communications for your network.

To protect your data and privacy, the Gateway features an advanced firewall to keep out Internet intruders.

Wireless transmissions can be protected by powerful data encryption. In addition, you can safeguard your family

with parental control features such as Internet access restrictions and keyword blocking. You can configure the

Gateway’s settings through the easy-to-use, browser-based utility.

But what does all of this mean?

Networks are useful tools for sharing Internet access and computer resources. 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”. PCs equipped with wireless cards or adapters can communicate without

cumbersome cables. By sharing the same wireless settings, within their transmission radius, they form a

wireless network. This is sometimes called a WLAN, or Wireless Local Area Network. Since the Gateway has

wireless capabilities, it can bridge your wired and wireless networks, letting them communicate with each other.

With your networks all connected, wired, wireless, and the Internet, you can now share files and Internet

access—and even play games. All the while, the Wireless-G ADSL Home Gateway protects your networks from

unauthorized and unwelcome users.

Linksys recommends using the Setup CD-ROM for first-time installation of the Gateway. If you do not wish to run

the Setup Wizard on the Setup CD-ROM, then use the instructions in this Guide to help you connect the Gateway,

set it up, and configure it to bridge your different networks. These instructions should be all you need to get the

most out of the Wireless-G ADSL Home Gateway.

lan (local area network): The computers and

networking products that make up the network in

your home or office.

nat (network address translation): NAT technology

translates IP addresses of a local area network to a

different IP address for the Internet.

wpa (wi-fi protected access): a wireless security

protocol using TKIP (Temporal Key Integrity Protocol)

encryption, which can be used in conjunction with a

RADIUS server.

spi (stateful packet inspection) firewall: a technology

that inspects incoming packets of information before

allowing them to enter the network.

firewall: Security measures that protect the

resources of a local network from intruders.

network: a series of computers or devices

connected for the purpose of data sharing,

storage, and/or transmission between users

Chapter 1: Introduction

What’s in this User Guide?

Wireless-G ADSL Home Gateway

What’s in this User Guide?

This user guide covers the steps for setting up and using the Wireless-G ADSL Home Gateway.

• Chapter 1: Introduction

This chapter describes applications of the Wireless-G ADSL Home Gateway and this User Guide.

• Chapter 2: Planning Your Network

This chapter describes the basics of networking.

• Chapter 3: Getting to Know the Wireless-G ADSL Home Gateway

This chapter describes the physical features of the Gateway.

• Chapter 4: Connecting the Wireless-G ADSL Home Gateway

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

• Chapter 5: Configuring the Wireless-G ADSL Home Gateway

This chapter explains how to use the Web-based Utility to configure the settings on the Gateway.

• Appendix A: Troubleshooting

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

installation and use of the Wireless-G ADSL Home Gateway.

• Appendix B: Wireless Security

This appendix explains the risks of wireless networking and some solutions to reduce the risks.

• 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 MAC filtering and/or MAC address cloning feature of the Gateway.

• Appendix D: Upgrading Firmware

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

• Appendix E: Glossary

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

• Appendix F: Specifications

This appendix provides the technical specifications for the Gateway.

• Appendix G: Warranty Information

This appendix supplies the warranty information for the Gateway.

Chapter 1: Introduction

What’s in this User Guide?

Wireless-G ADSL Home Gateway

• Appendix H: Regulatory Information

This appendix supplies the regulatory information regarding the Gateway.

• Appendix I: Contact Information

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

Chapter 2: Planning Your Network

The Gateway’s Functions

Wireless-G ADSL Home Gateway

Chapter2:PlanningYourNetwork

The Gateway’s Functions

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

In this instance, the Gateway connects your Local Area Network (LAN), or the group of computers in your home or

office, to the Internet. The Gateway processes and regulates the data that travels between these two networks.

The Gateway’s NAT feature protects your network of computers so users on the public, Internet side cannot “see”

your computers. This is how your network remains private. The Gateway protects your network by inspecting

every packet coming in through the Internet port before delivery to the appropriate computer on your network.

The Gateway 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 computer on the LAN side.

Remember that the Gateway’s ports connect to two sides. The LAN ports connect to the LAN, and the ADSL port

connects to the Internet. The LAN ports transmit data at 10/100Mbps.

IP Addresses

What’s an IP Address?

IP stands for Internet Protocol. Every device on an IP-based network, including computers, print servers, and

Gateways, 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 an IP address to your network devices. You can

assign static IP addresses or use the Gateway to assign IP addresses dynamically.

Static IP Addresses

A static IP address is a fixed IP address that you assign manually to a computer 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 must be unique and are

commonly used with network devices such as server computers or print servers.

NOTE: Since the Gateway is a device that connects

two networks, it needs two IP addresses—one for

the LAN, and one for the Internet. In this User Guide,

you’ll see references to the “Internet IP address”

and the “LAN IP address.”

Since the Gateway uses NAT technology, the only IP

address that can be seen from the Internet for your

network is the Gateway’s Internet IP address.

However, even this Internet IP address can be

blocked, so that the Gateway and network seem

invisible to the Internet—see the Block WAN

Requests description under Security in “Chapter 5:

Configuring the Wireless-G ADSL Home Gateway.”

Figure 2-1: Network

ip (internet protocol): a protocol used to send data

over a network

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