Linksys WRT54GP2 manual Is IPSec Passthrough supported by the Router?

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Wireless-G Broadband Router with 2 Phone Ports

Is IPSec Passthrough supported by the Router?

Yes, enable or disable IPSec Passthrough on the Security => VPN Passthrough tab.

Where is the Router installed on the network?

In a typical environment, the Router is installed between the cable/DSL modem and the local area network (LAN).

Plug the Router into the cable/DSL modem’s Ethernet port.

Does the Router 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 the LAN.

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 PC connected to the private LAN is never transmitted on the Internet. Furthermore, NAT allows the Router to be used with low cost Internet accounts, such as DSL or cable modems, 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 Router support any operating system other than Windows 98, Millennium, 2000, or XP? Yes, but Linksys does not, at this time, provide technical support for setup, configuration or troubleshooting of any non-Windows operating systems.

Does the Router support ICQ send file?

Yes, with the following fix: click ICQ menu => preference => connections tab=>, and check I am behind a firewall or proxy. Then set the firewall time-out to 80 seconds in the firewall setting. The Internet user can then send a file to a user behind the Router.

70	Appendix A: Troubleshooting
	Frequently Asked Questions

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Contents Wireless- G Copyright and Trademarks How to Use this GuideWord definition Table of Contents Wireless-G Broadband Router with 2 Phone Ports Wireless Security WPA Wireless SecurityWireless Security WEP Wireless Network Access32 Administration Tab Log Introduction WelcomeWhat’s in this Guide? Introduction What’s in this Guide? Wireless-G Broadband Router with 2 Phone Ports Planning Your Wireless Network Ad-Hoc versus Infrastructure ModeSsid your wireless network’s name Network TopologyNetwork Layout Back Panel Phone2Front Panel Getting to Know the Router Front Panel Wireless-G Broadband Router with 2 Phone Ports Connecting the Router OverviewConnection Instructions Connect a PCConfiguring the Router Wireless SetupSecurity Voice AdministrationApplications & Gaming How to Access the Web-based Utility StatusSetup Tab Basic Setup Internet SetupInternet Connection Type Obtain an IP automaticallyStatic IP PPPoERAS for SingTel PPPoEPptp Heart Beat Signal Heart Beat SignalNetwork Setup Optional SettingsRouter IP Packet a unit of data sent over a networkNetwork Address Server Settings Dhcp Setup Tab Ddns Time SettingDynDNS.org TZO.comSetup Tab MAC Address Clone MAC CloneSetup Tab Advanced Routing 12 Setup Tab Advanced Routing13 Routing Table Entry List Wireless Tab Basic Wireless Settings Wireless Tab Wireless Security 15 Wireless Tab Wireless Security WPA Pre-Shared Key16 Wireless Tab Wireless Security WPA Radius Wireless Tab Wireless Network Access 18 Wireless Tab Wireless Network AccessWireless Tab Advanced Wireless Settings 20 Advanced Wireless SettingsWireless-G Broadband Router with 2 Phone Ports Security Tab Filter Filter IP Address RangeFilter Port Range Filter MAC AddressBlock WAN Requests Internet requestsSecurity Tab VPN Passthrough VPN PassthroughVoice Tab Applications & Gaming Tab Port Range ForwardingPort Range Forwarding Port Range26 Applications & Gaming Tab Port Triggering UPnP Forwarding Applications & Gaming Tab UPnP ForwardingForwarded Range Wireless-G Broadband Router with 2 Phone Ports Wireless-G Broadband Router with 2 Phone Ports Applications & Gaming Tab DMZ DMZApplications & Gaming Tab QoS Application-based QoSPort-based QoS Specific Port# fieldsVoice QoS Administration Tab Management Router PasswordLocal Router Access Remote Router AccessBackup and Restore UPnPAdministration Tab Log LogAdministration Tab Factory Defaults Administration Tab Firmware UpgradeRuns a networking device Firmware with a newer versionStatus Tab Voice InformationLine1 Status Line2 StatusStatus Tab Router 38 Status Tab RouterStatus Tab Local Network Local NetworkStatus Tab Wireless Appendix a Troubleshooting Common Problems and SolutionsFor Windows 98 and Millennium Need to set a static IP address on a PCFor Windows For Windows XPWant to test my Internet connection For Windows XP Configuring the Router for details Am not able to access the Router’s Web-based Utility Setup Need to set up a server behind my Router Application Start and End Protocol IP Address Enabled TCPCan’t get the Internet game, server, or application to work Wireless-G Broadband Router with 2 Phone Ports To start over, I need to set the Router to factory default My DSL service’s PPPoE is always disconnectingFor Microsoft Internet Explorer 5.0 or higher For Netscape 4.7 or higherWireless-G Broadband Router with 2 Phone Ports Need to use port triggering Frequently Asked Questions How do I make a phone call?Can I make calls if my Internet connection is down? Can I make calls while I’m browsing the Internet?Is IPSec Passthrough supported by the Router? Where is the Router installed on the network?Does the Router support IPX or AppleTalk? How can I block corrupted FTP downloads? Wireless-G Broadband Router with 2 Phone Ports What is DMZ Hosting? If all else fails in the installation, what can I do?Will the Router function in a Macintosh environment? Is the Router cross-platform compatible? How many ports can be simultaneously forwarded?Which modems are compatible with the Router? How can I check whether I have static or Dhcp IP addresses?What is the Ieee 802.11g standard? What is the Ieee 802.11b standard?What Ieee 802.11b features are supported? What is infrastructure mode? What is ad-hoc mode?What is roaming? What is ISM band? What is Spread Spectrum?What is DSSS? What is FHSS? And what are their differences? What is WEP?What is WPA? What is a MAC Address?How do I resolve issues with signal loss? Have excellent signal strength, but I cannot see my networkWireless-G Broadband Router with 2 Phone Ports Appendix B Wireless Security Security PrecautionsSecurity Threats Facing Wireless Networks Wireless-G Broadband Router with 2 Phone Ports Wireless-G Broadband Router with 2 Phone Ports Figure C-1 IP Configuration Screen Windows 98 or Me InstructionsWindows 2000 or XP Instructions For the Router’s Web-based UtilityShared Resources Appendix D Windows HelpNetwork Neighborhood/My Network Places Appendix D Windows Help Appendix E Glossary Appendix E Glossary Wireless-G Broadband Router with 2 Phone Ports Wireless-G Broadband Router with 2 Phone Ports Wireless-G Broadband Router with 2 Phone Ports Wireless-G Broadband Router with 2 Phone Ports Wireless-G Broadband Router with 2 Phone Ports Wireless-G Broadband Router with 2 Phone Ports Appendix F Specifications ModelVoice Protocol UPnP able/cert CertifiedWarranty Year Limited Dimensions 32 x 1.89 x H x DStorage Humidity Appendix G Warranty Information Limited WarrantyAppendix G Warranty Information Appendix H Regulatory Information FCC StatementSafety Notices Appendix I Contact Information Appendix I Contact Information

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