Linksys WT54GV22 Manuale utente

A Division of Cisco Systems, Inc.

Model No.

Broadband Router

Wireless-G

WRT54G

User Guide

WIRELESS

GHz

2.4

802.11g

Wireless-G Broadband Router

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 User Guide

This User Guide has been designed to make understanding networking with the Wireless-G Broadband 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 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 Wireless-G Broadband Router.

This checkmark means there is a note of interest and

is something you should pay special attention to

while using the Wireless-G Broadband Router.

This question mark provides you with a reminder

about something you might need to do while using

the Wireless-G Broadband Router.

word: definition.

Figure 0-1: Sample Figure Description

WRT54G_V2-UG-40901NC 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.

Wireless-G Broadband Router

TableofContents

Chapter 1: Introduction 1

Welcome 1

What’s in this Guide? 2

Chapter 2: Planning Your Wireless Network 4

Network Topology 4

Ad-Hoc versus Infrastructure Mode 4

Network Layout 4

Chapter 3: Getting to Know the Wireless-G Broadband Router 6

The Back Panel 6

The Front Panel 7

Chapter 4: Connecting the Wireless-G Broadband Router 8

Overview 8

Hardware Installation for Connection to Your Broadband Modem 8

Hardware Installation for Connection to Another Router 10

Chapter 5: Configuring the PCs 12

Overview 12

Configuring Windows 98SE and Millennium PCs 12

Configuring Windows 2000 PCs 13

Configuring Windows XP PCs 14

Chapter 6: Configuring the Wireless-G Broadband Router 15

Overview 15

The Setup Tab - Basic Setup 16

The Setup Tab - DDNS 20

The Setup Tab - MAC Address Clone 21

The Setup Tab - Advanced Routing 22

The Wireless Tab - Basic Wireless Settings 23

The Wireless Tab - Wireless Security 24

The Wireless Tab - Wireless MAC Filter 26

The Wireless Tab - Advanced Wireless Settings 27

The Security Tab - Firewall 29

The Security Tab - VPN Passthrough 29

The Access Restrictions Tab - Internet Access 30

Wireless-G Broadband Router

The Applications and Gaming Tab - Port Range Forward 32

The Applications & Gaming Tab - Port Triggering 33

The Applications and Gaming Tab - DMZ 34

QoS 34

The Administration Tab - Management 36

The Administration Tab - Log 36

The Administration Tab - Diagnostics 37

The Administration Tab - Factory Defaults 38

The Administration Tab - Firmware Upgrade 38

The Administration Tab - Config Management 38

The Status Tab - Router 39

The Status Tab - Local Network 40

The Status Tab - Wireless 41

Appendix A: Troubleshooting 42

Common Problems and Solutions 42

Frequently Asked Questions 50

Appendix B: Wireless Security 56

Security Precautions 56

Security Threats Facing Wireless Networks 56

Appendix C: Upgrading Firmware 59

Appendix D: Windows Help 60

Appendix E: Finding the MAC Address and IP Address for Your Ethernet Adapter 61

Windows 98SE or Me Instructions 61

Windows 2000 or XP Instructions 61

For the Router’s Web-based Utility 62

Appendix F: Glossary 63

Appendix G: Specifications 69

Appendix H: Warranty Information 71

Appendix I: Regulatory Information 72

Appendix J: Contact Information 74

Wireless-G Broadband Router

ListofFigures

Figure 3-1: The Broadband Router’s Back Panel 6

Figure 3-2: The Broadband Router’s Front Panel 7

Figure 4-1: Installing the Broadband Router Behind Another Router 8

Figure 4-2: Connecting Your Internet Connection 8

Figure 4-3: Connecting Your Network Devices 9

Figure 4-4: Connecting the Power 9

Figure 4-5: Diagram for Connection to Another Router 10

Figure 4-6: Connecting Another Router 10

Figure 4-7: Connecting Your Network Devices 11

Figure 4-8: Connecting the Power 11

Figure 5-1: Configuration Tab 12

Figure 5-2: IP Address Tab 12

Figure 5-3: Properties 13

Figure 5-4: TCP/IP 13

Figure 5-5: IP Address 13

Figure 5-6: Properties 14

Figure 5-7: TCP/IP 14

Figure 5-8: IP Address 14

Figure 6-1: Password Screen 15

Figure 6-2: Setup Tab - Basic Setup 16

Figure 6-3: DHCP Connection Type 16

Figure 6-4: Static IP Connection Type 16

Figure 6-5: PPPoE Connection Type 17

Figure 6-6: PPTP Connection Type 17

Figure 6-7: HeartBeat Signal Connection Type 18

Figure 6-8: Optional Settings 18

Figure 6-9: Router IP 19

Figure 6-10: Network Address Server Settings 19

Figure 6-11: Time Setting 19

Figure 6-12: Setup Tab - DDNS 20

Wireless-G Broadband Router

Figure 6-13: Setup Tab - MAC Address Clone 21

Figure 6-14: Setup Tab - Advanced Routing (Gateway) 22

Figure 6-15: Setup Tab - Advanced Routing (Router) 22

Figure 6-16: Wireless Tab - Basic Wireless Settings 23

Figure 6-17: Wireless Tab - Wireless Security (WPA Pre-Shared Key) 24

Figure 6-18: Wireless Tab - Wireless Security (WPA RADIUS) 24

Figure 6-19: Wireless Tab - Wireless Security (RADIUS) 25

Figure 6-20: Wireless Tab - Wireless Security (WEP) 25

Figure 6-21: Wireless Tab - Wireless MAC Filter 26

Figure 6-22: MAC Address Filter List 26

Figure 6-23: Wireless Tab - Advanced Wireless Settings 27

Figure 6-24: Security Tab - Firewall 29

Figure 6-25: Security Tab - VPN Passthrough 29

Figure 6-26: Access Restrictions Tab - Internet Access 30

Figure 6-27: Internet Policy Summary 30

Figure 6-28: List of PCs 30

Figure 6-29: Port Services 31

Figure 6-30: Access Restrictions Tab - Inbound Traffic 31

Figure 6-31: Applications and Gaming Tab - Port Range Forward 32

Figure 6-32: Applications and Gaming Tab - Port Triggering 33

Figure 6-33: Applications and Gaming Tab - DMZ 34

Figure 6-34: Applications and Gaming Tab - QOS 34

Figure 6-35: Administration Tab - Management 36

Figure 6-36: Administration Tab - Log 36

Figure 6-37: Administration Tab - Diagnostics 37

Figure 6-38: The Ping Test 37

Figure 6-39: The Traceroute Test 37

Figure 6-40: Administration Tab - Factory Defaults 38

Figure 6-41: Administration Tab - Firmware Upgrade 38

Figure 6-42: Administration Tab - Config Management 38

Figure 6-43: Status Tab - Router 39

Figure 6-44: Status Tab - Local Network 40

Figure 6-45: DHCP Clients Table 40

Wireless-G Broadband Router

Figure 6-46: Status Tab - Wireless 41

Figure C-1: Upgrade Firmware 59

Figure E-1: IP Configuration Screen 61

Figure E-2: MAC Address/Adapter Address 61

Figure E-3: MAC Address/Physical Address 61

Figure E-4: MAC Address Filter List 62

Figure E-5: MAC Address Clone 62

Chapter 1: Introduction

Welcome

Wireless-G Broadband Router

Chapter1:Introduction

Welcome

Thank you for choosing the Linksys Wireless-G Broadband Router. The Wireless-G Broadband Router will allow

you to network wirelessly better than ever, sharing Internet access, files and fun, easily and securely.

How does the Wireless-G Broadband Router do all of this? A router is a device that allows access to an Internet

connection over a network. With the Wireless-G Broadband Router, this access can be shared over the four

switched ports or via the wireless broadcast at either 11Mbps for Wireless-B or 54Mbps for Wireless-G. In

addition, the WPA standard provides greater security opportunities while the whole network is protected through

a Stateful Packet Inspection (SPI) firewall and NAT technology. All of these security features, as well as full

configurability, are accessed through the easy-to-use browser-based utility.

But what does all of this mean?

Networks are useful tools for sharing 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 are not only useful in homes and offices, they can also 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. The Wireless-G Broadband Router bridges wireless networks of both

802.11b and 802.11g standards and wired networks, allowing them to 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 Broadband Router protects your networks from

unauthorized and unwelcome users.

Linksys recommends using the Setup CD-ROM for first-time installation of the Router. 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

Wireless-G Broadband Router, 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 Broadband Router.

LAN (Local Area Network): The

computers and networking products

that make up the network in your home

or office

Chapter 1: Introduction

What’s in this Guide?

Wireless-G Broadband Router

What’s in this Guide?

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

• Chapter 1: Introduction

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

• Chapter 2: Planning Your Wireless Network

This chapter describes the basics of wireless networking.

• Chapter 3: Getting to Know the Wireless-G Broadband Router

This chapter describes the physical features of the Router.

• Chapter 4: Connecting the Wireless-G Broadband Router

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

• Chapter 5: Configuring the PCs

This chapter instructs you on how to configure your PC(s) for a DHCP connection, if the network settings are

not already set to DHCP.

• Chapter 6: Configuring the Wireless-G Broadband Router

This chapter explains how to use the Web-Based Utility to configure the settings on the Wireless-G Broadband

Router.

• Appendix A: Troubleshooting

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

installation and use of the Wireless-G Broadband Router.

• Appendix B: Wireless Security

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

• Appendix C: Upgrading Firmware

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

• 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: 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 Router.

Chapter 1: Introduction

What’s in this Guide?

Wireless-G Broadband Router

• Appendix F: Glossary

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

• Appendix G: Specifications

This appendix provides the technical specifications for the Router.

• Appendix H: Warranty Information

This appendix supplies the warranty information for the Router.

• Appendix I: 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.

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