Linksys EtherFast BEFSR41 User Manual

EtherFast Cable/DSL Router with 4-Port Switch
Chapter 1: Introduction 1
Welcome 1
What’s in this Guide? 2
Chapter 2: Networking Basics 4
An Introduction to Local Area Networks 4
The Use of IP Addresses 4
Chapter 3: Getting to Know the Router 6
The Back Panel 6
The Front Panel 7
Chapter 4: Connecting the Router 8
Overview 8
Connection Instructions 9
Chapter 5: Configuring the Router 10
Overview 10
How to Access the Web-based Utility 11
The Setup Tab - Basic Setup 12
The Setup Tab - DDNS 18
The Setup Tab - MAC Address Clone 19
The Security Tab - Filter 22
The Security Tab - VPN 24
The Applications & Gaming Tab - Port Range Forwarding 25
The Applications & Gaming Tab - Port Triggering 26
The Applications & Gaming Tab - UPnP Forwarding 27
The Applications & Gaming Tab - DMZ 29
The Applications & Gaming Tab - QoS 30
The Administration Tab - Management 32
The Administration Tab - Log 34
The Administration Tab - Factory Defaults 35
The Administration Tab - Firmware Upgrade 36
The Status Tab - Router 37
The Status Tab - Local Network 38
Appendix A: Troubleshooting 39
Common Problems and Solutions 39
Frequently Asked Questions 49
Appendix B: Upgrading Firmware 53

Linksys EtherFast BEFSR41 Specifications

General

Standards	IEEE 802.3, IEEE 802.3u
Data Transfer Rate	10/100 Mbps
Management	Web-based management
DHCP Support	Yes
Ports	1 x 10/100Mbps WAN, 4 x 10/100Mbps LAN
Protocols	TCP/IP
Security Features	NAT, SPI
Firewall	NAT, SPI
VPN Pass-through	IPsec, PPTP, L2TP

Summary

Chapter 1: Introduction

Welcome

Welcomes the user and introduces the router's purpose and functionality.

What's in this Guide?

Outlines the manual's structure and content for users to follow.

Chapter 2: Networking Basics

An Introduction to Local Area Networks

Explains what a LAN is and the router's role in connecting networks.

The Use of IP Addresses

Details the importance and types of IP addresses for network devices.

Chapter 3: Getting to Know the Router

The Back Panel

Describes the ports and reset button located on the router's back panel.

The Front Panel

Explains the LEDs on the router's front panel and their indicator meanings.

Chapter 4: Connecting the Router

Connection Instructions

Provides step-by-step guidance on physically connecting the router and peripherals.

Chapter 5: Configuring the Router

How to Access the Web-based Utility

Guides users on accessing the router's configuration interface via a web browser.

The Setup Tab - Basic Setup

Covers initial internet connection and network settings configuration.

The Security Tab - Filter

Describes setting up filters to block access and enhance network security.

The Applications & Gaming Tab - Port Range Forwarding

Guides on setting up public services and applications via port forwarding.

The Administration Tab - Management

Covers changing router passwords, access settings, and UPnP features.

The Administration Tab - Firmware Upgrade

Guides users on downloading and performing a router firmware upgrade.

The Status Tab - Router

Displays current router status and internet connection information.

Appendix A: Troubleshooting

Common Problems and Solutions

Provides solutions for common issues encountered during router installation and operation.

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

Windows 98 or Me Instructions

Step-by-step guide to find MAC/IP addresses in older Windows versions.

Windows 2000 or XP Instructions

Steps to find MAC/IP addresses in Windows 2000 and XP operating systems.