Linksys BEFSX41 manual Table of Contents

Instant Broadband® Series

Table of Contents

Chapter 1: Introduction	1
The Linksys EtherFast Cable/DSL Firewall Router with
4-Port Switch/VPN Endpoint	1
Features	1
An Introduction to LANs and WANs	2
IP Addresses	2
Network Setup Overview	4

Chapter 2: Your Virtual Private Network (VPN)	5
Why Do I Need a VPN?	5
What is a Virtual Private Network?	6
Chapter 3: Getting to Know the EtherFast
Cable/DSL Firewall Router	9
The Router’s Back Panel	9
The Router’s Front Panel LEDs	10
Chapter 4: Connect the Router	12
Overview	12
Connecting Your Hardware Together and Booting Up	12
Chapter 5: Configure the PCs	14
Overview	14
Configuring Windows 95, 98, and Millennium PCs	15
Configuring Windows 2000 PCs	17
Configuring Windows XP PCs	19
Chapter 6: Configure the Router	21
Chapter 7: The Cable/DSL Firewall Router’s
Web-based Utility	27
Overview	27
Quick and Easy Router Administration	27
Setup	28
Firewall	35

EtherFast® Cable/DSL Firewall Router with 4-Port Switch/VPN Endpoint

VPN	38
Password	51
Status	53
DHCP	55
Log	57
Help	59
Advanced	60
Filters	61
Forwarding	65
Dynamic Routing	70
Static Routing	71
DMZ Host	73
MAC Address Clone	75
DDNS	76
Appendix A: Troubleshooting	79
Common Problems and Solutions	79
Frequently Asked Questions	92
Appendix B: Maximizing VPN Security	96
Appendix C: Configuring IPSec between a
Windows 2000 or XP PC and the Firewall Router	98
Introduction	98
Environment	98
Step One: Create an IPSec Policy	99
Step Two: Build Filter Lists	100
Step Three: Configure Individual Tunnel Rules	105
Step Four: Assign New IPSec Policy	113
Step Five: Create a Tunnel Through the Web-based Utility	114
Appendix D: SNMP Functions	116
Appendix E: How to Ping Your ISP’s E-mail &
Web Addresses	117