NETGEAR DG834 V3 manual Virtual Private Networking Advanced Feature, Overview of VPN Configuration

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Chapter 6 Virtual Private Networking (Advanced Feature)

This chapter describes how to use the virtual private networking (VPN) features of the DG834 ADSL Modem Router. VPN communications paths are called tunnels. VPN tunnels provide secure, encrypted communications between your local network and a remote network or computer.

This chapter is organized as follows:

•“Overview of VPN Configuration” on page 6-1provides an overview of the two most common VPN configurations: Client-to-Gateway and Gateway-to-Gateway.

•“Planning a VPN” on page 6-3provides a worksheet for recording the configuration parameters of the VPN you want to set up, along with the VPN Committee (VPNC) recommended default parameters set by the VPN Wizard.

•“VPN Tunnel Configuration” on page 6-5summarizes the three ways to configure a VPN tunnel: VPN Wizard (recommended for most situations), Auto Policy, and Manual Policy.

•“How to Set Up a Client-to-Gateway VPN Configuration” on page 6-6provides the steps needed to configure a VPN tunnel between a remote PC and a network gateway using the VPN Wizard and the NETGEAR ProSafe VPN Client.

•“How to Set Up a Gateway-to-Gateway VPN Configuration” on page 6-20provides the steps needed to configure a VPN tunnel between two network gateways using the VPN Wizard.

•“VPN Tunnel Control” on page 6-27provides the step-by-step procedures for activating, verifying, deactivating, and deleting a VPN tunnel once the VPN tunnel has been configured.

•“How to Set Up VPN Tunnels in Special Circumstances” on page 6-36provides the steps needed to configure VPN tunnels when there are special circumstances and the VPNC recommended defaults of the VPN Wizard are inappropriate. The two alternatives for configuring VPN tunnels are Auto Policy and Manual Policy.

Overview of VPN Configuration

Two common scenarios for configuring VPN tunnels are between a remote personal computer and a network gateway and between two or more network gateways. The DG834 v3 supports both of these types of VPN configurations. The DG834 ADSL Modem Router supports up to five concurrent tunnels.

Virtual Private Networking (Advanced Feature)

6-1

v1.1, October 2006

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Contents Reference Manual for the Adsl Modem Router DG834 Trademarks European Union Statement of Compliance Bestätigung des Herstellers/Importeurs Change History WProduct and Publication DetailsV1.1, October Contents Chapter Managing Your Network Chapter Virtual Private Networking Advanced Feature Appendix C Related Documents Audience, Scope, Conventions, and Formats Chapter About This ManualPrinting the Full Manual How to Print this ManualPrinting a Page in the Html View Printing a ChapterAbout the Modem Router Chapter IntroductionPowerful, True Firewall Key FeaturesProtocol Support Easy Installation and ManagementReference Manual for the Adsl Modem Router DG834 Trend Micro Home Network Security Content FilteringVirtual Private Networking VPN Auto Sensing and Auto Uplink LAN Ethernet ConnectionsWhat’s in the Box? Trend Micro Internet SecurityRouter-based Parental Controls DG834 Router’s Rear Panel Connecting the Router to the Internet Reference Manual for the Adsl Modem Router DG834 How to Change the Built-In Password Protecting Access to Your DG834 Adsl Modem RouterChanging the Administrator Login Timeout Configuring Basic Firewall Services Blocking Keywords, Sites, and ServicesHow to Block Keywords and Sites Reference Manual for the Adsl Modem Router DG834 Firewall Rules Inbound Rules Port Forwarding Inbound Rule Example a Local Public Web Server Inbound Rule Example Allowing Videoconferencing Considerations for Inbound Rules Outbound Rules Service BlockingOutbound Rule Example Blocking Instant Messenger Order of Precedence for Rules How to Define Services ServicesHow to Set Your Time Zone Setting Times and Scheduling Firewall ServicesReference Manual for the Adsl Modem Router DG834 Trend Micro Home Network Security How to Schedule Firewall ServicesSecurity Service Settings Reference Manual for the Adsl Modem Router DG834 To configure Parental Controls Parental Controls SettingsTo select Parental Controls Mode To configure General modeTo configure Per-User mode Blocking criteria for potentially offensive categories Parental Controls LogsReference Manual for the Adsl Modem Router DG834 Reference Manual for the Adsl Modem Router DG834 How to Back Up the Configuration to a File Backing Up, Restoring, or Erasing Your SettingsHow to Restore the Configuration from a File How to Erase the ConfigurationUpgrading the Modem Router’s Firmware How to Upgrade the Modem Router Firmware Viewing Modem Router Status and Usage Statistics Network Management InformationMenu 3.2 Modem Router Status Fields Router Statistics Fields Connection Status Fields for PPPoA Viewing, Selecting, and Saving Logged Information Viewing Attached DevicesReference Manual for the Adsl Modem Router DG834 Selecting What Information to Log Dropped Packets Activation and AdministrationExamples of Log Messages Saving Log Files on a ServerSend alerts and logs via email Enabling Security Event E-mail NotificationRunning Diagnostic Utilities and Rebooting the Modem Router Enabling Remote Management Configuring Remote Management Reference Manual for the Adsl Modem Router DG834 Configuring Advanced Security Chapter Advanced ConfigurationHow to Configure a Default DMZ Server Setting Up a Default DMZ ServerConnect Automatically, as Required Disable Port Scan and DOS ProtectionConfiguring LAN IP Settings Respond to Ping on Internet WAN PortMTU Size Reference Manual for the Adsl Modem Router DG834 Use Router as Dhcp server DhcpReserved IP addresses Configuring Dynamic DNS How to Configure LAN TCP/IP SettingsHow to Configure Dynamic DNS Static Route Example Using Static RoutesHow to Configure Static Routes Reference Manual for the Adsl Modem Router DG834 Universal Plug and Play UPnP Reference Manual for the Adsl Modem Router DG834 Overview of VPN Configuration Virtual Private Networking Advanced FeatureVPN Tunnel Planning a VPN VPN Tunnel Configuration WorksheetParameter Factory Default VPN Tunnel Configuration VPN Tunnel 3600 1 hour 28800 8 hoursRemote VPN client single PC Summary screen below displays Hour Configuring the Netgear ProSafe VPN Client on the Remote PC Reference Manual for the Adsl Modem Router DG834 Reference Manual for the Adsl Modem Router DG834 Reference Manual for the Adsl Modem Router DG834 Reference Manual for the Adsl Modem Router DG834 Reference Manual for the Adsl Modem Router DG834 Reference Manual for the Adsl Modem Router DG834 Reference Manual for the Adsl Modem Router DG834 Reference Manual for the Adsl Modem Router DG834 VPN Tunnel 192.168.0.x Remote VPN Gateway Reference Manual for the Adsl Modem Router DG834 Summary screen below displays Hour Reference Manual for the Adsl Modem Router DG834 Activating a VPN Tunnel VPN Tunnel ControlUsing the VPN Status Page to Activate a VPN Tunnel Activate the VPN Tunnel by Pinging the Remote Endpoint Verifying the Status of a VPN Tunnel Start Using a VPN Tunnel to Active ItReference Manual for the Adsl Modem Router DG834 Deactivating a VPN Tunnel Using the VPN Status Page to Deactivate a VPN Tunnel To delete a VPN tunnel Deleting a VPN TunnelReference Manual for the Adsl Modem Router DG834 How to Set Up VPN Tunnels in Special Circumstances Using Auto Policy to Configure VPN TunnelsConfiguring VPN Network Connection Parameters Reference Manual for the Adsl Modem Router DG834 Reference Manual for the Adsl Modem Router DG834 Fully Qualified Domain Name-your domain name Reference Manual for the Adsl Modem Router DG834 VPN Tunnel IKE Pre-shared Key = Reference Manual for the Adsl Modem Router DG834 Reference Manual for the Adsl Modem Router DG834 Using Manual Policy to Configure VPN Tunnels Reference Manual for the Adsl Modem Router DG834 Reference Manual for the Adsl Modem Router DG834 Reference Manual for the Adsl Modem Router DG834 Reference Manual for the Adsl Modem Router DG834 Basic Functioning Chapter TroubleshootingPower LED Not On Test LED Never Turns On or Test LED Stays OnLAN or Internet Port LEDs Not On Troubleshooting the Web Configuration Interface Troubleshooting the ISP Connection Adsl linkInternet LED Blinking Amber Internet LED Off Obtaining a WAN IP AddressTroubleshooting PPPoE or PPPoA Troubleshooting a TCP/IP Network Using the Ping Utility Troubleshooting Internet BrowsingTesting the LAN Path to Your Router Testing the Path from Your Computer to a Remote Device Using the Reset button Restoring the Default Configuration and PasswordProblems with Date and Time Appendix a Technical Specifications Reference Manual for the Adsl Modem Router DG834 DG834 v3 to FVL328 Configuration ProfileStep-By See How to Set Up a GatewayFigure B-2 Click VPN Policies under Advanced VPN to invoke this screenReference Manual for the Adsl Modem Router DG834 Click VPN Policies under VPN to invoke this screen Click IKE Policies under VPN to invoke this screenFigure B-4 DG834 v3 with Fqdn to FVL328PC/Client-to-Gateway Use of a Fully Qualified Domain Name Fqdn Step-By-Step ConfigurationFigure B-6 Check the box Use a Dynamic DNS ServiceFigure B-8 Figure B-9 Figure B-10 Figure B-11 Example Configuration Summary Telecommuter ExampleReference Manual for the Adsl Modem Router DG834 3600 Main Mode Fully Qualified Domain NameSubnet address 255.255.255.0 Single addressClick Apply when done to get the VPN Policies screen Figure B-15 Select Secure in the Connection Security check box Select the Connect using Secure Gateway Tunnel check boxFigure B-17 Figure B-18 Figure B-19 Configure the VPN Client Authentication ProposalFigure B-20 Authentication Method menu, select Pre-Shared keyFigure B-21 Check the Encapsulation Protocol ESP checkboxFigure B-22 Check the VPN ConnectionFigure B-23 Type ping -t 192.168.0.1, and then click OKViewing the PC Client’s Connection Monitor and Log Viewer Monitoring the VPN Tunnel Telecommuter ExampleFigure B-26 Viewing the VPN Router’s VPN Status and Log InformationCurrent VPN Tunnels SAs screen Reference Manual for the Adsl Modem Router DG834 Appendix C Related Documents Reference Manual for the Adsl Modem Router DG834
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