Linksys RT31P2 manual Security Tab VPN Passthrough

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Broadband Router with 2 Phone Ports

The Security Tab - VPN Passthrough

The VPN Passthrough screen allows you to allow VPN tunnels using IPSec, PPPoE, or PPTP protocols to pass through the Router.

VPN Passthrough

IPSec Passthrough. IPSec (Internet Protocol Security) is a suite of protocols used to implement secure exchange of packets at the IP layer. To allow IPSec Passthrough, click the Enabled button. To disable IPSec Passthrough, click the Disabled button.

PPPoE Passthrough. PPPoE (Point-to-Point over Ethernet) Passthrough allows your PC(s) to use the PPPoE client software provided by your ISP. Some ISPs may request that you use this feature on the Router. To allow PPPoE Passthrough, click the Enabled button. To disable PPPoE Passthrough, click the Disabled button.

PPTP Pass Through. PPTP (Point-to-Point Tunneling Protocol) Passthrough allows the Point-to-Point (PPP) to be tunneled through an IP network. To allow PPTP Passthrough, click the Enabled button. To disable PPTP Passthrough, click the Disabled button.

When you have finished making changes to this screen, click the Save Settings button to save the changes, or click the Cancel Changes button to undo your changes. Help information is shown on the right-hand side of a screen. For additional information, click More.

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Figure 5-16: Security Tab - VPN

Passthrough

vpn: a security measure to protect data as it leaves one network and goes to another over the Internet

ipsec: a VPN protocol used to implement secure exchange of packets at the IP layer

pppoe: A type of broadband connection that provides authentication (username and password) in addition to data transport

pptp: a VPN protocol that allows the Point to Point Protocol (PPP) to be tunneled through an IP network. This protocol is also used as a type of broadband connection in Europe

Chapter 5: Configuring the Router The Security Tab - VPN Passthrough

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Contents Broadband Router How to Use this Guide Copyright and TrademarksWord definition Table of Contents Appendix a Troubleshooting Common Problems and Solutions Frequently Asked QuestionsBack Panel Front Panel16 Security Tab VPN Passthrough Introduction WelcomeWhat’s in this Guide? Introduction What’s in this Guide? Broadband Router with 2 Phone Ports Networking Basics An Introduction to Local Area NetworksUse of IP Addresses Networking Basics Getting to Know the Router Back PanelFront Panel Proceed to Connecting the Router Broadband Router with 2 Phone Ports Connecting the Router OverviewConnection Instructions Connect a PCConfiguring the Router SetupSecurity VoiceApplications & Gaming How to Access the Web-based Utility AdministrationStatus Setup 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 Advanced Routing13 Routing Table Entry List Security Tab Filter Filter IP Address RangeFilter Port Range Filter MAC AddressBlock WAN Requests 15 Filtered MAC AddressSecurity Tab VPN Passthrough VPN PassthroughVoice Tab Applications & Gaming Tab Port Range ForwardingPort Range Forwarding Port RangeApplications & Gaming Tab Port Triggering Port TriggeringTriggered Range Applications & Gaming Tab UPnP Forwarding UPnP ForwardingForwarded Range Configuring the Router 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 UpgradeFirmware the programming code that runs a networking device Status Tab Voice InformationLine1 Status Line2 StatusStatus Tab Router 31 Status Tab RouterStatus Tab Local Network Local NetworkAppendix 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 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 higherBroadband 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?Where is the Router installed on the network? Is IPSec Passthrough supported by the Router?Does the Router support IPX or AppleTalk? How can I block corrupted FTP downloads? Broadband Router with 2 Phone Ports If all else fails in the installation, what can I do? What is DMZ Hosting?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?Figure B-1 IP Configuration Screen Windows 98 or Me InstructionsWindows 2000 or XP Instructions For the Router’s Web-based UtilityAppendix C Windows Help Shared ResourcesNetwork Neighborhood/My Network Places Appendix C Windows Help Appendix D Glossary Appendix D Glossary Broadband Router with 2 Phone Ports Packet a unit of data sent over a network Broadband Router with 2 Phone Ports Broadband Router with 2 Phone Ports Appendix E Specifications Two Standard Phone Ports, One Power PortAppendix E Specifications Appendix F Warranty Information Limited WarrantyAppendix F Warranty Information Appendix G Regulatory Information FCC StatementAppendix G Regulatory Information Appendix H Contact Information Appendix H Contact Information