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Linksys AG041 (EU) manual ADSL Gateway, with 4-Port Switch User Guide, Model No. AG041 EU, Wired

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A Division of Cisco Systems, Inc.

®

A Division of Cisco Systems, Inc.

ADSL Gateway

with 4-Port Switch User Guide

WIRED

Model No. AG041 (EU)

Image 1

Linksys AG041 (EU) manual ADSL Gateway, with 4-Port Switch User Guide, A Division of Cisco Systems, Inc, Wired

Contents

WIRED with 4-Port Switch User GuideADSL Gateway A Division of Cisco Systems, IncCopyright and Trademarks How to Use this Guideword definition Table of Contents Appendix H Warranty Information Appendix G SpecificationsADSL Gateway with 4-Port Switch Appendix D Upgrading FirmwareList of Figures Figure 5-23 Applications & Gaming - Port Triggering Figure B-23 New Preshared Key Welcome Chapter 1 Introductionrouter a networking device that connects multiple networks together What’s in this Guide? Appendix G Specifications ADSL Gateway with 4-Port Switch Chapter 2 Planning your NetworkThe Gateway’s Functions IP AddressesDHCP Dynamic Host Configuration Protocol Servers What is a VPN?Dynamic IP Addresses encryption encoding data transmitted in a networkComputer using VPN client software that supports IPSec to VPN Gateway Why do I need a VPN?ADSL Gateway with 4-Port Switch VPN Gateway to VPN Gateway1 MAC Address Spoofing The Back Panel Chapter 3 Getting to Know the ADSL GatewayThe Front Panel Connecting to a Computer Chapter 4 Connecting the ADSL GatewayISP a company that provides access to the Internet Overview6. Power on one of your computers that is connected to the Gateway Setup Chapter 5 Configuring the ADSL GatewayAccess Restrictions SecurityAdministration How to Access the Web-based UtilityApplications & Gaming StatusBasic Setup The Setup TabStatic IP RFC 1483 Bridged Dynamic IPRFC 2516 PPPoE RFC 1483 RoutedBridged Mode Only RFC 2364 PPPoANetwork Setup Optional Settings Required by some ISPsdomain a specific name for a network of computers packet a unit of data sent over a networkDDNS DDNSDynDNS.org Advanced Routing Advanced RoutingStatic Routing Figure 5-12 Routing Table Firewall The Security Tabmulticasting sending data to a group of destinations at once VPN Passthrough ADSL Gateway with 4-Port SwitchIPSec VPN Tunnel Figure 5-14 Security Tab - VPNSelect Manual, then select the Encryption Algorithm from the drop-down menu. Enter the Encryption Key in the field if you chose DES for your Encryption Algorithm, enter 16 hexadecimal characters, if you chose 3DES, enter 48 hexadecimal characters. Select the Authentication Algorithm from the drop-down menu. Enter the Authentication Key in the field if you chose MD5 for your Authentication Algorithm, enter 32 hexadecimal characters, if you chose SHA1, enter 40 hexadecimal characters. Enter the Inbound and Outbound SPIs in the respective fields ADSL Gateway with 4-Port SwitchAdvanced VPN Tunnel Setup Page Internet Access The Access Restrictions TabPage Single Port Forwarding The Applications and Gaming TabPort Triggering Port Range ForwardingPage Management The Administration TabUPnP Email Alerts ReportingSMTP the standard e-mail protocol on the Internet Factory Defaults DiagnosticsPing Test Ping Test Parameters Firmware Upgrade Gateway The Status TabDSL Connection Local NetworkCommon Problems and Solutions Appendix A Troubleshooting1. I need to set a static IP address on a computer 2. I want to test my Internet connection 9. Restart the computer if asked For Windows XPIf you get a reply, the computer is communicating with the Gateway Refer to “Problem #2, I want to test my Internet connection” to verify that your computer is properly connected to the Gateway Enable 8. I can’t get the Internet game, server, or application to work 12. I need to upgrade the firmware 11. To start over, I need to set the Gateway to factory default13. The firmware upgrade failed, and/or the Power LED is flashing 14. My DSL service’s PPPoE is always disconnecting 16. The Power LED flashes continuously Frequently Asked QuestionsWhere is the Gateway installed on the network? Is IPSec Passthrough supported by the Gateway?Does the LAN connection of the Gateway support 100Mbps Ethernet? What is Network Address Translation and what is it used for?Windows 2000, or Windows XP? Does the Gateway support ICQ send file?How will I be notified of new Gateway firmware upgrades? If all else fails in the installation, what can I do?What is DMZ Hosting? Will the Gateway function in a Macintosh environment?What is the maximum number of VPN sessions allowed by the Gateway? What are the advanced features of the Gateway?What is a MAC Address? How do I reset the Gateway?Environment IntroductionStep 1 Create an IPSec Policy How to Establish a Secure IPSec TunnelStep 2 Build Filter Lists Filter List 2 Router -win Figure B-7 IP Filter List Figure B-8 Filters Properties Tunnel 1 win-Router Step 3 Configure Individual Tunnel Rules4. Select the Authentication Methods tab, and click the Edit button Tunnel 2 Router-win 10. Go to the IP Filter List tab, and click the filter list Router-win Figure B-22 Preshared Key Figure B-23 New Preshared Key Step 4 Assign New IPSec Policy 10. Click the Save Settings button to save these changes 3. From the Setup tab, click the VPN tabADSL Gateway with 4-Port Switch Step 5 Create a Tunnel Through the Web-Based UtilityWindows 98 or Me Instructions AppendixCFindingtheMACAddressandIPAddressforYour Ethernet AdapterWindows 2000 or XP Instructions Appendix D Upgrading Firmware Appendix D Upgrading FirmwareTCP/IP Appendix E Windows HelpShared Resources Network Neighborhood/My Network PlacesAppendix F Glossary Dynamic IP Address - A temporary IP address assigned by a DHCP server Packet - A unit of data sent over a network WAN Wide Area Network- The Internet Appendix G Specifications Appendix H Warranty Information Appendix I Regulatory Information Appendix J Contact Information