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Appendix F: Upgrading Firmware

Wireless-G VPN Broadband Router

Appendix F: Upgrading Firmware

The Router's firmware is upgraded through the Web-Utility's Firmware Upgrade tab from the Administration tab.

Follow these instructions:

1. Click the Browse button to find the firmware upgrade file that you downloaded from the Linksys website and

then extracted.

2. Double-click the firmware file you downloaded and extracted. Click the Upgrade button, and follow the

instructions there.

Figure F-1: Upgrade Firmware

1 2 ... 84 85 86 87 88 89 90 91 92 93 94 ... 101 102

Wireless-G 1
Copyright and Trademarks 2
How to Use this Guide 2
Table of Contents 3
Chapter 1: Introduction 5
What’s in this Guide? 6
The Router’s Functions 8
IP Addresses 8
Why do I need a VPN? 9
What is a VPN? 10
VPN Router to VPN Router 11
Chapter 3: 13
The Front Panel 14
Overview 15
Wired Connection to a PC 16
Wireless Connection to a PC 16
Configuring Windows 2000 PCs 19
Configuring Windows XP PCs 20
Figure 5-8: IP Address 21
Security 23
Access Restrictions 23
Applications & Gaming 23
Administration 23
The Setup Tab 24
Network Setup 27
DynDNS.org 28
TZO.com Tab 28
MAC Clone 29
Advanced Routing 29
Static Routing 30
The Wireless Tab 31
Wireless Security 32
WEP (See Figure 6-13.) 32
The Security Tab 35
Advanced VPN Tunnel Setup 38
802.1x (See Figure 6-20.) 39
The Access Restrictions Tab 40
Port Range Forwarding 42
Port Triggering 42
UPnP Forwarding 43
The Administration Tab 46
Email Alert 47
Syslog Notification 47
Notification Qeue Length 48
Alert Log 48
General Log 48
Ping Test (See Figure 6-32.) 48
Information 50
WAN Connections 50
Local Network 51
Wireless 52
System Performance 52
Appendix A: Troubleshooting 53
Common Problems and Solutions 54
Frequently Asked Questions 61
Appendix B: Wireless Security 68
Passive Attacks 69
Jamming Attacks 69
Active Attacks 70
Man-in-the-Middle Attacks 70
Maximizing Wireless Security 70
What Are The Risks? 71
Introduction 75
Environment 75
Filter List 1: win->router 76
Filter List 2: router=>win 77
Tunnel 1: win->router 79
Tunnel 2: router->win 81
Ethernet Adapter 86
Wireless-G Broadband Router 87
Appendix E: SNMP Functions 88
Appendix G: Windows Help 90
Appendix H: Glossary 91
Appendix I: Specifications 97

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