Linksys AG241 manual Optional Settings Required by some ISPs, Network Setup

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ADSL2 Gateway with 4-Port Switch

Optional Settings (Required by some ISPs)

Host Name and Domain Name. These fields allow you to supply a host and domain name for the Gateway. Some ISPs require these names as identification. You may have to check with your ISP to see if your broadband Internet service has been configured with a host and domain name. In most cases, leaving these fields blank will work.

MTU. The MTU (Maximum Transmission Unit) setting specifies the largest packet size permitted for network transmission. Select Manual and enter the value desired in the Size field. It is recommended that you leave this value in the 1200 to 1500 range. By default, MTU is configured automatically.

Network Setup

Router IP. The values for the Gateway’s Local IP Address and Subnet Mask are shown here. In most cases, keeping the default values will work.

Local IP Address. The default value is 192.168.1.1.

Subnet Mask. The default value is 255.255.255.0.

Network Address Server Settings (DHCP). A Dynamic Host Configuration Protocol (DHCP) server automatically assigns an IP address to each computer on your network for you. Unless you already have one, it is highly recommended that you leave the Gateway enabled as a DHCP server.

DHCP Relay Server. If you enable the Local DHCP Server or DHCP Relay for the Local DHCP server, enter the IP address for the DHCP server in the fields.

AutoDetect LAN DHCP Server.

Starting IP Address. Enter a value for the DHCP server to start with when issuing IP addresses. This value must be 192.168.1. 2 or greater, because the default IP address for the Gateway is 192.168.1.1.

Maximum Number of DHCP Users. Enter the maximum number of users/clients that can obtain an IP address. The number will vary depending on the starting IP address entered.

Client Lease Time. The Client Lease Time is the amount of time a network user will be allowed connection to the Gateway with their current dynamic IP address. Enter the amount of time, in minutes, that the user will be “leased” this dynamic IP address.

Static DNS 1-3. The Domain Name System (DNS) is how the Internet translates domain or website names into Internet addresses or URLs. Your ISP will provide you with at least one DNS Server IP Address. You

Chapter 5: Configuring the Gateway

Figure 5-9: Optional Settings

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The Setup Tab

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Contents ADSL2 Gateway How to Use this Guide Copyright and TrademarksWord definition Table of Contents Network 2Computer-to-VPN Gateway21 Internet Policy Summary Figure B-11 Filter Acton Tab Introduction WelcomeWhat’s in this Guide? ADSL2 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 Why do I need a VPN? VPN Gateway to VPN GatewayVPN Gateway-to-VPN Gateway Getting to Know the ADSL2 Gateway with 4- Port Switch LineDSL Connecting the ADSL2 Gateway with 4-Port Switch OverviewConnection to a Computer Adsl Connection Configuring the Gateway SetupAccess Restrictions SecurityAdministration Applications & GamingStatus How to Access the Web-based Utility Setup TabBasic Setup Tab Internet SetupRFC 1483 Bridged Dynamic IP Static IPIPoA RFC 2516 PPPoEBridged Mode Only RFC 2364 PPPoAOptional Settings Required by some ISPs Network SetupDdns Tab DynDNS.orgTZO.com Advanced Routing Tab Advanced RoutingSecurity Tab FirewallVPN 15 VPN Advanced VPN Tunnel Setup Manual19 Advanced VPN Tunnel Setup Access Restrictions Tab Internet Access22 List of PCs Applications and Gaming Tab Single Port ForwardingPort Range Forwarding Port Triggering DMZAdvanced QoS Application-based QoSAdministration Tab Gateway AccessManagement Reporting UPnPEmail Alerts Diagnostics Backup&RestorePing Test Factory Defaults Firmware UpgradeUpgrade from LAN Reboot 36 RebootStatus Tab GatewayGateway Information Internet ConnectionsDSL Connection 40 DSL ConnectionAppendix a Troubleshooting Common Problems and SolutionsNeed to set a static IP address on a computer Want to test my Internet connection ADSL2 Gateway with 4-Port Switch ADSL2 Gateway with 4-Port Switch TCP UDP Can’t get the Internet game, server, or application to work To start over, I need to set the Gateway to factory default Need to upgrade the firmwareFirmware upgrade failed, and/or the Power LED is flashing My DSL service’s PPPoE is always disconnectingPower LED flashes continuously Frequently Asked Questions Where is the Gateway installed on the network?Is IPSec Passthrough supported by the Gateway? Does the Gateway support IPX or AppleTalk?Does the Gateway support ICQ send file? What is DMZ Hosting? What are the advanced features of the Gateway?Will the Gateway function in a Macintosh environment? Is the Gateway cross-platform compatible?What is a MAC Address? How do I reset the Gateway?How do I get mIRC to work with the Gateway? Can the Gateway act as my Dhcp server?Environment WAG54GHow 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 FirmwareAppendix E Glossary ADSL2 Gateway with 4-Port Switch ADSL2 Gateway with 4-Port Switch ADSL2 Gateway with 4-Port Switch ADSL2 Gateway with 4-Port Switch ADSL2 Gateway with 4-Port Switch Appendix F Specifications ADSL2 Gateway with 4-Port Switch Appendix G Regulatory Information FCC StatementAppendix H Warranty Information Appendix I Contact Information Europe Mail AddressOutside of Europe Mail Address
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