Linksys WAG54G manual Frequently Asked Questions, Is IPSec Passthrough supported by the Gateway?

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Wireless-G ADSL Gateway

•If the Gateway is configured correctly, check your Internet connection (DSL/cable modem, etc.) to see if it is working correctly. You can remove the Gateway to verify a direct connection.

•Manually configure the TCP/IP settings with a DNS address provided by your ISP.

•Make sure that your browser is set to connect directly and that any dial-up is disabled. For Internet Explorer, click Tools, Internet Options, and then the Connection tab. Make sure that Internet Explorer is set to Never dial a connection. For Netscape Navigator, click Edit, Preferences, Advanced, and Proxy. Make sure that Netscape Navigator is set to Direct connection to the Internet.

Frequently Asked Questions

What is the maximum number of IP addresses that the Gateway will support?

The Gateway will support up to 253 IP addresses.

Is IPSec Passthrough supported by the Gateway?

Yes, it is a built-in feature that is enabled by default.

Where is the Gateway installed on the network?

In a typical environment, the Gateway is installed between the ADSL wall jack and the LAN.

Does the Gateway support IPX or AppleTalk?

No. TCP/IP is the only protocol standard for the Internet and has become the global standard for communications. IPX, a NetWare communications protocol used only to route messages from one node to another, and AppleTalk, a communications protocol used on Apple and Macintosh networks, can be used for LAN to LAN connections, but those protocols cannot connect from the Internet to a LAN.

Does the LAN connection of the Gateway support 100Mbps Ethernet?

The Gateway supports 100Mbps over the auto-sensing Fast Ethernet 10/100 switch on the LAN side of the

Gateway.

What is Network Address Translation and what is it used for?

Network Address Translation (NAT) translates multiple IP addresses on the private LAN to one public address that is sent out to the Internet. This adds a level of security since the address of a computer connected to the private LAN is never transmitted on the Internet. Furthermore, NAT allows the Gateway to be used with low cost Internet accounts when only one TCP/IP address is provided by the ISP. The user may have many private addresses behind this single address provided by the ISP.

Does the Gateway support any operating system other than Windows 98SE, Windows Millennium,

Windows 2000, or Windows XP?

Yes, but Linksys does not, at this time, provide technical support for setup, configuration or troubleshooting of any non-Windows operating systems.

Appendix A: Troubleshooting

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Frequently Asked Questions

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Contents Wireless- G Copyright and Trademarks How to Use this GuideWord definition Table of Contents Wireless-G Adsl Gateway Computer-to-VPN Gateway Network23 VPN Settings Summary Figure C-9 New Rule Properties Welcome IntroductionWhat’s in this Guide? Wireless-G Adsl Gateway Gateway’s Functions Planning Your NetworkIP Addresses What’s an IP Address?Dhcp Dynamic Host Configuration Protocol Servers What is a VPN?Dynamic IP Addresses VPN Gateway to VPN Gateway Why do I need a VPN?Data Sniffing MAC Address SpoofingBack Panel Getting to Know the Wireless-G Adsl GatewayIndication of any network activity Front PanelWhile establishing the Adsl connection InternetOverview Connecting the Wireless-G Adsl GatewayEthernet Connection Wired Connection to a ComputerWireless Connection to a Computer Setup Configuring the GatewayWireless SecurityAdministration Access RestrictionsApplications & Gaming StatusSetup Tab How to Access the Web-based UtilityInternet Setup Multiplexing Select LLC or VC , depending on your ISPStatic IP RFC 1483 Bridged Dynamic IPVirtual Circuit Enter the VPI and VCI ranges in the fields RFC 2516 PPPoE RFC 1483 RoutedRFC 2364 PPPoA Bridged Mode OnlyNetwork Setup Optional Settings Required by some ISPsDynDNS.org Ddns TabTZO.com Advanced Routing Advanced Routing Tab13 Routing Table Basic Wireless Settings Tab Wireless TabWireless Network 15 WPA Pre-Shared Key Wireless Security Tab17 WEP Wireless Network Access Wireless Access TabAdvanced Wireless Advanced Wireless Settings TabFirewall Security TabAdditional Filters 22 VPN Local Security Gateway24 Manual Key Management Manual26 Advanced VPN Tunnel Setup Advanced VPN Tunnel SetupConfiguring the Gateway Security Tab Internet Access Access Restrictions Tab29 List of PCs Single Port Forwarding Applications and Gaming TabPort Range Forwarding 33 Port Triggering Port TriggeringAdvanced QoS This setting allows you to specify traffic queue priorityApplication-based QoS Gateway Access Administration TabManagement UPnP ReportingEmail Alerts Backup&Restore DiagnosticsFactory Defaults Ping TestReboot Firmware UpgradeUpgrade from LAN Gateway Status TabGateway Information Internet Connections45 Local Network Local Network47 Wireless 49 DSL Connection DSL ConnectionCommon Problems and Solutions Appendix a TroubleshootingNeed to set a static IP address on a computer Want to test my Internet connection Wireless-G Adsl Gateway Wireless-G Adsl Gateway IP Address TCP UDPCan’t get the Internet game, server, or application to work Need to upgrade the firmware To start over, I need to set the Gateway to factory defaultFirmware upgrade failed, and/or the Power LED is flashing My DSL service’s PPPoE is always disconnectingPower LED flashes continuously Where is the Gateway installed on the network? Frequently Asked QuestionsIs IPSec Passthrough supported by the Gateway? Does the Gateway support IPX or AppleTalk?Does the Gateway support ICQ send file? What are the advanced features of the Gateway? What is DMZ Hosting?Will the Gateway function in a Macintosh environment? Is the Gateway cross-platform compatible?What Ieee 802.11b and 802.11g features are supported? What is the Ieee 802.11g standard?What is ad-hoc mode? What is infrastructure mode?What is Spread Spectrum? What is the ISM band?What is DSSS? What is FHSS? And what are their differences? What is a MAC Address? What is WEP?How do I reset the Gateway? How do I resolve issues with signal loss?Important Information for Wireless Products Appendix B Wireless SecurityWireless-G Adsl Gateway Wireless-G Adsl Gateway WAG54G EnvironmentCreate an IPSec Policy How to Establish a Secure IPSec TunnelBuild Filter Lists Filter List 1 win-RouterFigure C-4 IP Filter LIst Filter List 2 Router -winFigure C-7 IP Filter List Tunnel 1 win-Router Configure Individual Tunnel RulesFigure C-13 Authentication Methods Tunnel 2 Router-win Figure C-16 Tunnel Setting TabFigure C-19 IP Filter List Tab Figure C-22 Preshared Key Figure C-25 Connection Type Assign New IPSec PolicyFigure C-28 VPN Tab Create a Tunnel Through the Web-Based UtilityWindows 98 or Me Instructions Figure D-1 IP Configuration ScreenFigure D-3 MAC Address/Physical Address Windows 2000 or XP InstructionsAppendix E Upgrading Firmware Upgrade from WANAppendix F Glossary Wireless-G Adsl Gateway Wireless-G Adsl Gateway Wireless-G Adsl Gateway Wireless-G Adsl Gateway Wireless-G Adsl Gateway Standards Appendix G SpecificationsAnnex-B, WAG54G-DE UR-2 Operating Temp 0ºC to 40ºCStorage Humidity Storage Temp 20ºC to 70ºC Operating Humidity10% to 85% Non-Condensing FCC Statement Appendix H Regulatory InformationWireless-G Adsl Gateway Radio EN 300 EMC EN 301 489-1, EN 301 Safety EN Location Frequency Range MHz Power Eirp Applicable Power Levels in FranceBelgium Wireless-G Adsl Gateway Open the Wireless Network Connection window Appendix I Warranty Information Europe Mail Address Appendix J Contact InformationOutside of Europe Mail Address
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