Linksys AG041 (EU) manual Introduction, Welcome

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ADSL Gateway with 4-Port Switch

Chapter 1: Introduction

Welcome

Thank you for choosing the ADSL Gateway with 4-Port Switch. This Gateway will allow your computers to share a high-speed Internet connection with its built-in modem, as well as share resources, including files and printers, through its built-in Switch. Because the modem, router, and switch are all built-in, creating a network is easier than ever.

Put simply, networks are useful tools for sharing computer resources. 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. So, networks not only are useful in homes and offices, but also can be fun.

To create your network, install and set up the Gateway. To guide you through the process, use the instructions in the Quick Installation or the directions in this User Guide to help you. These instructions should be all you need to get the most out of the Gateway and, for more advanced users, this User Guide shows you many of the Gateway’s Advanced uses as well. This User Guide also contains appendices to answer further questions and a Glossary if you’re unfamiliar with terms. Basically, if you have a question about the Gateway, you should find the answers within.

Chapter 1: Introduction

network: a series of computers or devices connected for the purpose of data sharing, storage, and/or transmission between users

port: the connection point on a computer or networking device used for plugging in cables or adapters

router: a networking device that connects multiple networks together

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Welcome

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Contents Adsl Gateway Word definition How to Use this GuideCopyright and Trademarks Table of Contents Adsl Gateway with 4-Port Switch List of Figures A Network with the Gateway23 Applications & Gaming Port Triggering Figure B-23 New Preshared Key Introduction WelcomeWhat’s in this Guide? Adsl Gateway with 4-Port Switch Planning your Network Gateway’s FunctionsIP Addresses What’s an IP Address?What is a VPN? Dhcp Dynamic Host Configuration Protocol ServersDynamic IP Addresses Encryption encoding data transmitted in a networkWhy do I need a VPN? VPN Gateway to VPN GatewayVPN Gateway-to-VPN Gateway Getting to Know the Adsl Gateway Back PanelFront Panel DSLConnecting the Adsl Gateway Connecting to a ComputerISP a company that provides access to the Internet OverviewConnect power Configuring the Adsl Gateway SetupAccess Restrictions SecurityHow to Access the Web-based Utility AdministrationApplications & Gaming StatusInternet Setup Setup TabBasic Setup RFC 1483 Bridged Dynamic IP Static IPRFC 1483 Routed RFC 2516 PPPoEBridged Mode Only RFC 2364 PPPoAOptional Settings Required by some ISPs Network SetupDdns DynDNS.orgStatic Routing Advanced RoutingAdvanced Routing 12 Routing Table Security Tab FirewallVPN Software instructions for the computer15 VPN with Manual Key Management Advanced VPN Tunnel Setup PhaseConfiguring the Adsl Gateway Security Tab Access Restrictions Tab Internet Access19 List of PCs Applications and Gaming Tab Single Port ForwardingPort Range Forwarding Port TriggeringDMZ Management Administration TabGateway Access UPnP Reporting LogEmail Alerts Smtp the standard e-mail protocol on the InternetPing Test Ping Test Parameters DiagnosticsFactory Defaults Firmware Upgrade 29 Administration tab Firmware UpgradeStatus Tab GatewayGateway Information Internet ConnectionsLocal Network DSL ConnectionNeed to set a static IP address on a computer Appendix a TroubleshootingCommon Problems and Solutions Want to test my Internet connection Open a command prompt. For Windows 98 and Me Adsl Gateway with 4-Port Switch TCP UDP VPN Ipsec Can’t get the Internet game, server, or application to workFirmware upgrade failed, and/or the Power LED is flashing To start over, I need to set the Gateway to factory defaultNeed to upgrade the firmware My DSL service’s PPPoE is always disconnecting Frequently Asked Questions Power LED flashes continuouslyWhere is the Gateway installed on the network? Is IPSec Passthrough supported by the Gateway?What is Network Address Translation and what is it used for? Does the Gateway support ICQ send file?What is DMZ Hosting? What are the advanced features of the Gateway? What is a MAC Address?How do I reset the Gateway? Is the Gateway cross-platform compatible?Introduction EnvironmentHow to Establish a Secure IPSec Tunnel Create an IPSec PolicyBuild Filter Lists Filter List 1 win-RouterFilter List 2 Router -win Figure B-4 IP Filter LIstFigure B-7 IP Filter List Configure Individual Tunnel Rules Tunnel 1 win-RouterFigure B-13 Authentication Methods Figure B-16 Tunnel Setting Tab Tunnel 2 Router-winFigure B-19 IP Filter List Tab Figure B-22 Preshared Key Assign New IPSec Policy Figure B-25 Connection TypeCreate a Tunnel Through the Web-Based Utility Figure B-28 VPN TabFigure C-1 IP Configuration Screen Windows 98 or Me InstructionsWindows 2000 or XP Instructions Figure C-3 MAC Address/Physical AddressFigure D-1 Upgrade Firmware Appendix D Upgrading FirmwareNetwork Neighborhood/My Network Places Appendix E Windows HelpShared Resources Appendix F Glossary Adsl Gateway with 4-Port Switch Adsl Gateway with 4-Port Switch Adsl Gateway with 4-Port Switch Appendix G Specifications StandardsAppendix H Warranty Information Limited WarrantyAppendix I Regulatory Information FCC StatementOutside of Europe Mail Address Appendix J Contact InformationEurope Mail Address