Linksys WRT54G3G-ST User manual

Model No.

Router for Mobile Broadband

Wireless-G

WRT54G3G-ST

User Guide

WIRELESS

GHz

802.11g

2.4

Wireless-G Router for Mobile Broadband

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 Router for Mobile

Broadband 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”.

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.

This exclamation point means there is a caution or warning and is

something that could damage your property or the Wireless-G Router

for Mobile Broadband.

This checkmark means there is a note of interest and is something

you should pay special attention to while using the Wireless-G Router

for Mobile Broadband.

This question mark provides you with a reminder about something

you might need to do while using the Wireless-G Router for Mobile

Broadband.

word: definition.

Figure 0-1: Sample Figure Description

WRT54G3G-ST-UG 60724NC BW

Wireless-G Router for Mobile Broadband

TableofContents

Chapter 1: Introduction 1

Welcome 1

What’s in this User 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 Router for Mobile Broadband 6

The Router’s Ports 6

The Router’s LEDs 7

The Router’s Data Card Slot 8

Chapter 4: Connecting the Wireless-G Router for Mobile Broadband 9

Overview 9

Hardware Installation for Use of the Mobile Broadband Service Only 9

Hardware Installation for Connection to Your Broadband Modem 11

Hardware Installation for Connection to Another Router 13

Placement Options 15

Chapter 5: Setting up the Wireless-G Router for Mobile Broadband Service 17

Overview 17

Before You Begin 17

Using the Setup Wizard 18

Chapter 6: Setting up the Wireless-G Router for Broadband WAN Service Only 27

Overview 27

Before You Begin 27

Using the Setup Wizard 27

Chapter 7: Setting up the Wireless-G Router for Broadband WAN

and Mobile Broadband Service 39

Overview 39

Before You Begin 39

Using the Setup Wizard 40

Chapter 8: Configuring the Wireless-G Router for Mobile Broadband 53

Overview 53

Wireless-G Router for Mobile Broadband

The Setup Tab - Basic Setup 54

The Setup Tab - Mobile Network 59

The Setup Tab - DDNS 60

The Setup Tab - MAC Address Clone 61

The Setup Tab - Advanced Routing 62

The Wireless Tab - Basic Wireless Settings 63

The Wireless Tab - Wireless Security 64

The Wireless Tab - Wireless MAC Filter 67

The Wireless Tab - Advanced Wireless Settings 68

The Security Tab - Firewall 70

The Security Tab - VPN Passthrough 71

The Access Restrictions Tab - Internet Access 71

The Applications and Gaming Tab - Port Range Forward 73

The Applications & Gaming Tab - Port Triggering 74

The Applications and Gaming Tab - DMZ 75

The Applications and Gaming Tab - QoS 75

The Administration Tab - Management 77

The Administration Tab - Log 78

The Administration Tab - Diagnostics 79

The Administration Tab - Factory Defaults 80

The Administration Tab - Firmware Upgrade 80

The Administration Tab - Config Management 80

The Status Tab - Mobile Network 81

The Status Tab - Router 82

The Status Tab - Local Network 83

The Status Tab - Wireless 84

Appendix A: Troubleshooting 85

Common Problems and Solutions 85

Frequently Asked Questions 93

Appendix B: Wireless Security 101

Security Precautions 101

Security Threats Facing Wireless Networks 101

Appendix C: Upgrading Firmware 104

Appendix D: Windows Help 105

Appendix E: Finding the MAC Address and IP Address for Your Ethernet Adapter 106

Wireless-G Router for Mobile Broadband

Windows 98SE or Me Instructions 106

Windows 2000 or XP Instructions 106

For the Router’s Web-based Utility 107

Appendix F: Glossary 108

Appendix G: Specifications 113

Appendix H: Warranty Information 115

Appendix I: Regulatory Information 116

Appendix J: Contact Information 123

Wireless-G Router for Mobile Broadband

ListofFigures

Figure 3-1: The Router’s Ports 6

Figure 3-2: The Router’s Front Panel 6

Figure 3-3: The Router’s LEDs 7

Figure 3-4: The Router’s Data Card Slot 8

Figure 4-1: Connect Your Computer 10

Figure 4-2: Connect the Power 10

Figure 4-3: Connect the Broadband Modem 11

Figure 4-4: Connect Your Computer 12

Figure 4-5: Connect the Power 12

Figure 4-6: Diagram for Connection to Another Router 13

Figure 4-7: Connect Another Router 13

Figure 4-8: Connect Your Computer 14

Figure 4-9: Connect the Power 14

Figure 4-10: Stand Attached to the Router 15

Figure 4-11: Measurement between Wall-Mount Slots 16

Figure 5-1: Setup Wizard’s Welcome - Start Wizard Screen 18

Figure 5-2: Select Service Screen 19

Figure 5-3: Insert Mobile Broadband Data Card Screen 19

Figure 5-4: Connect the Router to a Computer Screen 20

Figure 5-5: Connect the Router to a Computer Screen, Continued 20

Figure 5-6: Power on the Router Screen 21

Figure 5-7: Check the Router’s Status Screen 21

Figure 5-8: Set the Router’s Password Screen 22

Figure 5-9: Wireless Settings Screen 22

Figure 5-10: Configure Wireless Security Settings Screen 23

Figure 5-11: Configure Wireless Security Settings - WPA2-PSK Screen 23

Figure 5-12: Configure Wireless Security Settings - WPA-PSK Screen 24

Figure 5-13: Configure Wireless Security Settings - WEP (128-Bit) Screen 24

Figure 5-14: Configure Wireless Security Settings - WEP (64-Bit) Screen 25

Figure 5-15: Warning about Disabled Wireless Security Screen 25

Figure 5-16: Confirm New Settings Screen 26

Wireless-G Router for Mobile Broadband

Figure 5-17: Mobile Broadband Connection Cannot be Established Screen 26

Figure 5-18: Congratulations Screen 26

Figure 6-1: Setup Wizard’s Welcome - Start Wizard Screen 27

Figure 6-2: Select Service Screen 28

Figure 6-3: Disconnect the Modem from the Computer Screen 28

Figure 6-4: Connect the Modem to the Router Screen 29

Figure 6-5: Connect the Router to a Computer Screen 29

Figure 6-6: Connect the Router to a Computer Screen, continued 30

Figure 6-7: Power on the Router Screen 31

Figure 6-8: Check the Router’s Status Screen 31

Figure 6-9: Configure Cable or DHCP Settings Screen 32

Figure 6-10: Configure DSL (PPPoE) Settings Screen 32

Figure 6-11: Enter Static IP Address Settings Screen 33

Figure 6-12: Confirm New Settings Screen 33

Figure 6-13: Set the Router’s Password Screen 34

Figure 6-14: Wireless Settings Screen 34

Figure 6-15: Configure Wireless Security Settings Screen 35

Figure 6-16: Configure Wireless Security Settings - WPA2-PSK Screen 35

Figure 6-17: Configure Wireless Security Settings - WPA-PSK Screen 36

Figure 6-18: Configure Wireless Security Settings - WEP (128-Bit) Screen 36

Figure 6-19: Configure Wireless Security Settings - WEP (64-Bit) Screen 37

Figure 6-20: Confirm New Settings Screen 37

Figure 6-21: Warning about Disabled Wireless Security Screen 38

Figure 6-22: Congratulations Screen 38

Figure 7-1: Setup Wizard’s Welcome - Start Wizard Screen 40

Figure 7-2: Select Service Screen 41

Figure 7-3: Insert Broadband Mobile Data Card Screen 41

Figure 7-4: Disconnect the Modem from the Computer Screen 42

Figure 7-5: Connect the Modem to the Router Screen 42

Figure 7-6: Connect the Router to a Computer Screen 43

Figure 7-7: Connect the Router to a Computer Screen, continued 43

Figure 7-8: Power on the Router Screen 44

Figure 7-9: Check the Router’s Status Screen 44

Figure 7-10: Configure Cable or DHCP Settings Screen 45

Wireless-G Router for Mobile Broadband

Figure 7-11: Configure DSL (PPPoE) Settings Screen 45

Figure 7-12: Enter Static IP Address Settings Screen 46

Figure 7-13: Confirm New Settings Screen 46

Figure 7-14: Set the Router’s Password Screen 47

Figure 7-15: Wireless Settings Screen 47

Figure 7-16: Configure Wireless Security Settings Screen 48

Figure 7-17: Configure Wireless Security Settings - WPA2-PSK Screen 48

Figure 7-18: Configure Wireless Security Settings - WPA-PSK Screen 49

Figure 7-19: Configure Wireless Security Settings - WEP (128-Bit) 49

Figure 7-20: Configure Wireless Security Settings - WEP (64-Bit) 50

Figure 7-21: Configure Wireless Security Settings - WEP (64-Bit) 50

Figure 7-22: Warning about Disabled Wireless Security Screen 51

Figure 7-23: Confirm New Settings 51

Figure 7-24: Mobile Broadband Connection Cannot be Established Screen 52

Figure 7-25: Congratulations Screen 52

Figure 8-1: Password Screen 53

Figure 8-2: Setup Tab - Basic Setup 54

Figure 8-3: DHCP Connection Type 54

Figure 8-4: Static IP Connection Type 55

Figure 8-5: PPPoE Connection Type 55

Figure 8-6: PPTP Connection Type 55

Figure 8-7: L2TP Connection Type 56

Figure 8-8: Optional Settings 56

Figure 8-9: Router IP 57

Figure 8-10: Network Address Server Settings 57

Figure 8-11: Time Setting 58

Figure 8-12: Setup Tab - Mobile Network 59

Figure 8-13: Setup Tab - DDNS (DynDNS.org) 60

Figure 8-14: Setup Tab - DDNS (TZO.org) 60

Figure 8-15: Setup Tab - MAC Address Clone 61

Figure 8-16: Setup Tab - Advanced Routing (Gateway) 62

Figure 8-17: Setup Tab - Advanced Routing (Router) 62

Figure 8-18: Wireless Tab - Basic Wireless Settings 63

Figure 8-19: Wireless Tab - Wireless Security (WPA2 Personal) 64

Wireless-G Router for Mobile Broadband

Figure 8-20: Wireless Tab - Wireless Security (WPA Personal - TKIP) 64

Figure 8-21: Wireless Tab - Wireless Security (WPA Personal - AES) 64

Figure 8-22: Wireless Tab - Wireless Security (WPA2 Enterprise) 65

Figure 8-23: Wireless Tab - Wireless Security (WPA Enterprise - TKIP) 65

Figure 8-24: Wireless Tab - Wireless Security (WPA Enterprise - AES) 65

Figure 8-25: Wireless Tab - Wireless Security (RADIUS) 66

Figure 8-26: Wireless Tab - Wireless Security (WEP) 66

Figure 8-27: Wireless Tab - Wireless MAC Filter 67

Figure 8-28: MAC Address Filter List 67

Figure 8-29: Wireless Tab - Advanced Wireless Settings 68

Figure 8-30: Security Tab - Firewall 70

Figure 8-31: Security Tab - VPN Passthrough 71

Figure 8-32: Access Restrictions Tab - Internet Access 71

Figure 8-33: Internet Policy Summary 72

Figure 8-34: List of PCs 72

Figure 8-35: Port Services 72

Figure 8-36: Applications and Gaming Tab - Port Range Forward 73

Figure 8-37: Applications and Gaming Tab - Port Triggering 74

Figure 8-38: Applications and Gaming Tab - DMZ 75

Figure 8-39: Applications and Gaming Tab - QoS 75

Figure 8-40: Administration Tab - Management 77

Figure 8-41: Administration Tab - Log 78

Figure 8-42: Administration Tab - Diagnostics 79

Figure 8-43: The Ping Test 79

Figure 8-44: The Traceroute Test 79

Figure 8-45: Administration Tab - Factory Defaults 80

Figure 8-46: Administration Tab - Firmware Upgrade 80

Figure 8-47: Administration Tab - Config Management 80

Figure 8-48: Status Tab - Mobile Network 81

Figure 8-49: Status Tab - Router 82

Figure 8-50: Status Tab - Local Network 83

Figure 8-51: Status Tab - Wireless 84

Figure C-1: Upgrade Firmware 104

Figure E-1: IP Configuration Screen 106

Wireless-G Router for Mobile Broadband

Figure E-2: MAC Address/Adapter Address 106

Figure E-3: MAC Address/Physical Address 106

Figure E-4: MAC Address Filter List 107

Figure E-5: MAC Address Clone 107

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