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Linksys WRVS4400N manual Appendix C Configuring a Gateway-to-Gateway IPSec Tunnel

Models: WRVS4400N

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Wireless-N Gigabit Security Router with VPN

Appendix C: Configuring a Gateway-to-Gateway IPSec

Tunnel

Overview

This appendix explains how to configure an IPSec VPN tunnel between two VPN Routers by example. Two PCs are used to test the liveliness of the tunnel. You can think of the VPN Router1, Internet, VPN Router2 as a big virtual router that connects PC1 on LAN1 and PC2 on LAN2.

PC1

VPN Router1

VPN Router2

PC2

Figure C-1: Diagram of Gateway-to-Gateway VPN Tunnel

Before You Begin

The following is a list of equipment you need:

•Two Windows desktop PCs (each PC will be connected to a VPN Router)

•Two VPN Routers that are both connected to the Internet

NOTE: Each computer must have a network adapter installed.

Appendix C: Configuring a Gateway-to-Gateway IPSec Tunnel

103

Overview

Image 111

Linksys WRVS4400N manual Appendix C Configuring a Gateway-to-Gateway IPSec Tunnel

Contents

Wireless-N Gigabit Security Router with VPN How to Use this Guide Copyright and TrademarksWord definition Table of Contents Appendix E Glossary Appendix C Configuring a Gateway-to-Gateway IPSec TunnelAppendix F Specifications Appendix G Warranty InformationExample network List of Figures11 Setup LAN 41 VPN IPsec VPN 71 LAN ARP Table 72 Status Wireless LANWelcome IntroductionWhat’s in this Guide? Wireless-N Gigabit Security Router with VPN An Introduction to LANs Networking and Security BasicsNetworking and Security Basics Use of IP AddressesNetworking and Security Basics Use of IP Addresses Intrusion Prevention System IPS Wireless-N Gigabit Security Router with VPN Why do I need a VPN? Planning Your Virtual Private Network VPNPacket a unit of data sent over a network What is a VPN? VPN Router to VPN Router Computer using the Linksys VPN client software to VPN RouterGetting to Know the Router PowerDiag Back Panels Antennas and Positions Stackable Position and its Antenna SetupOverview Connecting the RouterConnect a PC Connection InstructionsStand Option Placement OptionsWall-Mount Option Mounting DimensionsBasic Setup Setting Up and Configuring the RouterHow to Access the Web-based Utility How to Navigate the UtilitySetup Firewall WirelessQoS AdministrationStatus L2 SwitchIP Versions Setup TabAutomatic Configuration Dhcp Internet Connection TypeStatic IP Pptp PPPoESetup WAN Heart Beat Signal Heart Beat SignalL2TP Setup WAN Optional Settings Optional Settings Required by some ISPsTZO.com DynDNS.orgIPv4 Server Settings DhcpIPv6 MAC Address Clone DMZOperating Mode Advanced RoutingDynamic Routing Static Routing 15 Setup Advanced Routing RoutingTime 16 Setup TimeWireless Tab Basic Wireless SettingsBasic Settings Setting Up and Configuring the Router Wireless Tab WPA-Personal also known as WPA-PSK Wireless SecurityWireless Security DisabledWPA2-Personal Mixed WPA2-PersonalWPA2-Enterprise WPA-EnterpriseWEP WPA2-Enterprise MixedConnection Control Wireless Connection ControlWireless Connection Control Wireless Client ListAdvanced Wireless Advanced Wireless SettingsSetting Up and Configuring the Router Wireless Tab Firewall Tab Basic SettingsRestrict WEB Features Source Interface Select LAN, WAN, or ANY interface IP Based ACLNew Rule Edit IP ACL RuleScheduling 34 Firewall Internet Access Policy Internet Access Policy35 Firewall Internet Access Policy Summary 37 Firewall Single Port Forwarding Single Port Forwarding38 Port Range Forwarding Port Range Forwarding39 Port Range Triggering Port Range Triggering40 Firewall Services ServiceRemote Security Group VPN TabIPsec VPN Local Security GroupAuto IKE Key Management43 View VPN Tunnel Log Manual44 IPsec VPN Advanced Settings Advanced Settings Phase 1 and PhaseSetting Up and Configuring the Router VPN Tab VPN Client List Table VPN Client Accounts46 VPN VPN Passthrough VPN PassthroughApplication-based QoS Tab48 Port-based Port-basedAdministration Tab Local Gateway AccessManagement Log 50 Administration LogDiagnostics Ping Test ParametersTraceroute Test Parameters Config Management Save ConfigurationRestore Configuration Firmware Upgrade Factory DefaultsConfiguration IPS TabAbnormally Detection Instant Messenger Peer to PeerReport AttackerAttacked Category 62 IPS Information InformationVlan Configuration L2 Switch TabRadius Port. Specifies the number of the four LAN ports Port Settings67 L2 Switch Cable Diagnostics Cable DiagnosticsStatus Tab WAN / GatewayInternet Connection 69 Status LAN 72 Status Wireless LAN Wireless LANSystem Performance L2 Switch Ports74 Status VPN Clients VPN ClientsNeed to set a static IP address on a PC Appendix a TroubleshootingCommon Problems and Solutions For Windows 98 and MillenniumFor Windows XP For WindowsFor Windows 98 and Millennium Wireless-N Gigabit Security Router with VPN Need to set up a server behind my Router Am not able to access the Router’s Web-based Utility SetupTCP Application Start and End Protocol IP Address EnableCan’t get the Internet game, server, or application to work Application Start and End Protocol IP Address EnabledFor Netscape 4.7 or higher To start over, I need to set the Router to factory defaultNeed to upgrade the firmware For Microsoft Internet Explorer 5.0 or higherMy DSL service’s PPPoE is always disconnecting Firmware upgrade failedNeed to use port triggering Does the Router support IPX or AppleTalk? Frequently Asked QuestionsWhere is the Router installed on the network? Is IPSec Passthrough supported by the Router?How can I block corrupted FTP downloads? What is Network Address Translation and what is it used for?Router allows Pptp packets to pass through What is DMZ Hosting?How can I check whether I have static or Dhcp IP addresses? Is the Router cross-platform compatible?How many ports can be simultaneously forwarded? Which modems are compatible with the Router?Figure B-1 VPN Client Accounts Screen Before You BeginInstalling the Linksys QuickVPN Software Installing from the CD-ROMDownloading and Installing from the Internet Figure B-2 QuickVPN Using the Linksys QuickVPN Software102 Figure C-1 Diagram of Gateway-to-Gateway VPN Tunnel Appendix C Configuring a Gateway-to-Gateway IPSec TunnelConfiguring VPN Router Configuring the VPN Settings for the VPN Routers105 Configuring the Key Management Settings Configuring PC 1 and PC Windows 2000 or XP Instructions Windows 98 or Me InstructionsFigure D-3 MAC Address/Physical Address For the Router’s Web-based Utility110 Appendix E Glossary111 112 113 114 115 Appendix F Specifications ModelManagement Snmp Version Snmp Version 1, 2c 3DES Encryption QuickVPN Tunnels for remote client accessMD5/SHA1 Authentication SecurityAny host IP address on LAN side Queues Network Vlan Support Port-based VlanLimited Warranty Appendix G Warranty InformationFCC Statement Appendix H Regulatory Information121 122 123 124 125 Appendix I Contact Information Need to contact Linksys?Information section in this Guide