Linksys WRT54GP2 - Wireless-G Broadband Router Guida

A Division of Cisco Systems, Inc.

Model No.

Broadband Router with 2 Phone Ports

Wireless-G

WRT54GP2

GHz

2.4

802.11g

Installation and Troubleshooting Guide

VoIP

Wireless-G 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 Wireless-G 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 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.

Thisquestion markprovides youwith areminderaboutsomethingyou

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

WRT54GP2-UG-50112D 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.

Wireless-G Broadband Router with 2 Phone Ports

Table of Contents

Chapter 1: Introduction 1

Welcome 1

What’s in this Guide? 2

Chapter 2: Planning Your Wireless Network 5

Network Topology 5

Ad-Hoc versus Infrastructure Mode 5

Network Layout 6

Chapter 3: Getting to Know the Router 7

The Back Panel 7

The Front Panel 8

Chapter 4: Connecting the Router 9

Overview 9

Connection Instructions 10

Chapter 5: Configuring the Router 11

Overview 11

How to Access the Web-based Utility 14

The Setup Tab - Basic Setup 15

The Setup Tab - DDNS 22

The Setup Tab - MAC Address Clone 24

The Setup Tab - Advanced Routing 25

The Wireless Tab - Basic Wireless Settings 27

The Wireless Tab - Wireless Security 28

The Wireless Tab - Wireless Network Access 30

The Wireless Tab - Advanced Wireless Settings 31

The Security Tab - Filter 33

The Security Tab - VPN Passthrough 35

The Voice Tab 36

The Applications & Gaming Tab - Port Range Forwarding 36

The Applications & Gaming Tab - Port Triggering 37

The Applications & Gaming Tab - UPnP Forwarding 38

The Applications & Gaming Tab - DMZ 41

The Applications & Gaming Tab - QoS 42

The Administration Tab - Management 45

The Administration Tab - Log 47

The Administration Tab - Factory Defaults 48

The Administration Tab - Firmware Upgrade 48

The Status Tab - Voice 49

The Status Tab - Router 50

The Status Tab - Local Network 51

The Status Tab - Wireless 52

Appendix A: Troubleshooting 53

Common Problems and Solutions 53

Frequently Asked Questions 67

Appendix B: Wireless Security 77

Security Precautions 77

Security Threats Facing Wireless Networks 78

Wireless-G Broadband Router with 2 Phone Ports

Appendix C: Finding the MAC Address and

IP Address for Your Ethernet Adapter 81

Windows 98 or Me Instructions 81

Windows 2000 or XP Instructions 82

For the Router’s Web-based Utility 82

Appendix D: Windows Help 83

Appendix E: Glossary 85

Appendix F: Specifications 93

Appendix G: Warranty Information 95

Appendix H: Regulatory Information 97

Appendix I: Contact Information 99

Vonage 99

Linksys 99

Wireless-G 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 9

Figure 4-1: Connect a PC 10

Figure 4-2: Connect a Telephone 10

Figure 4-3: Connect the Modem 10

Figure 4-4: Connect the Power 10

Figure 5-1: Router’s IP Address 14

Figure 5-2: Router Login 14

Figure 5-3: Setup Tab - Basic Setup (Obtain an

IP automatically) 15

Figure 5-4: Static IP 16

Figure 5-5: PPPoE 17

Figure 5-6: RAS (for Singtel) 17

Figure 5-7: PPTP 18

Figure 5-8: Heart Beat Signal 19

Figure 5-9: Setup Tab - DDNS (DynDNS.org) 23

Figure 5-10: Setup Tab - DDNS (TZO.com) 23

Figure 5-11: Setup Tab - MAC Address Clone 24

Figure 5-12: Setup Tab - Advanced Routing 25

Figure 5-13: Routing Table Entry List 26

Figure 5-14: Wireless Tab - Basic Wireless Settings 27

Figure 5-15: Wireless Tab - Wireless Security

(WPA Pre-Shared Key) 28

Figure 5-16: Wireless Tab - Wireless Security (WPA RADIUS) 29

Figure 5-17: Wireless Tab - Wireless Security (WEP) 29

Figure 5-18: Wireless Tab - Wireless Network Access 30

Figure 5-19: Wireless Client MAC List 30

Figure 5-20: Advanced Wireless Settings 31

Figure 5-21: Security Tab - Filter 33

Figure 5-22: Filtered MAC Address 34

Figure 5-23: Security Tab - VPN Passthrough 35

Figure 5-24: Voice Tab 36

Figure 5-25: Applications & Gaming Tab - Port

Range Forwarding 36

Figure 5-26: Applications & Gaming Tab - Port Triggering 37

Figure 5-27: Applications & Gaming Tab - UPnP Forwarding 38

Figure 5-28: Applications & Gaming Tab - DMZ 41

Figure 5-29: Applications & Gaming Tab - QoS 42

Figure 5-30: Administration Tab - Management 45

Figure 5-31: Back up & Restore Configuration 46

Figure 5-32: Administration Tab - Log 47

Figure 5-33: Incoming Log Table 47

Figure 5-34: Outgoing Log Table 47

Figure 5-35: Administration Tab - Factory Defaults 48

Figure 5-36: Administration Tab - Firmware Upgrade 48

Figure 5-37: Status Tab - Voice 49

Figure 5-38: Status Tab - Router 50

Wireless-G Broadband Router with 2 Phone Ports

Figure 5-39: Status Tab - Local Network 51

Figure 5-40: DHCP Active IP Table 51

Figure 5-41: Status Tab - Wireless 52

Figure C-1: IP Configuration Screen 81

Figure C-2: MAC/Adapter Address 81

Figure C-3: MAC/Physical Address 82

Figure C-4: MAC Address Clone 82

Figure C-5: MAC Address Filter 82

Wireless-G Broadband Router with 2 Phone Ports

Chapter 1: Introduction

Welcome

Chapter 1: Introduction

Welcome

Thank you for choosing the Linksys Wireless-G Broadband Router with 2 Phone Ports. This Router will allow you

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

have set up your Vonage service, you can make phone or fax calls using your Internet connection.

How does the 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 with 2 Phone Ports, this access can be shared over the three

switched ports or via the wireless broadcast at either up to 11Mbps for Wireless-B or up to 54Mbps for

Wireless-G. In addition, the WPA standard provides greater security opportunities while the whole network is

protected through 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 Internet access and computer resources. Multiple computers can share

Internet access, so you don’t need more than one high-speed Internet connection. After you set up your Vonage

account, you can also use your Internet access to make Internet phone or fax calls, 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. All the while, the Router

protects your networks from unauthorized and unwelcome users. 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.

browser: an application program that

providesa way to look at and interact

with all the information on the World

Wide Web.

mbps: one million bits per second; a unit

of measurement for data transmission.

nat (network address translation): NAT

technology translated 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.

Wireless-G Broadband Router with 2 Phone Ports

2Chapter 1: Introduction

What’s in this Guide?

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, which is sometimes

called a Wireless Local Area Network (WLAN). The Router bridges wireless networks of both 802.11b and

802.11g standards and wired networks, allowing them to communicate with each other.

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 Wireless-G Broadband Router with 2 Phone Ports.

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 DSLmodem, 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.

802.11b: an IEEE wireless networking

standard that specifies a maximum data

transfer rate of 11Mbps and an operating

frequency of 2.4GHz.

802.11g: an IEEE wireless networking

standard that specifies a maximum data

transfer rate of 54Mbps, an operating

frequency of 2.4GHz, and backward

compatibility with 802.11b devices.

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