Provide the following L2TP server settings: The L2TP Server Settings configuration page displays.Ĥ. In the L2TP Server Settings section, click the Enable the L2TP Server checkbox. Enter a shared secret passphrase to complete the client policy configuration. For the General tab, select IKE using Preshared Secret from the Authentication Method pull-down menu. For the WAN GroupVPN policy, click the configure icon button.Ģ. To enable Microsoft L2TP VPN Client access to the WAN GroupVPN SA, perform the following steps:ġ. This section provides a configuration example for enabling L2TP client access to the WAN GroupVPN SA using the built-in L2TP Server and Microsoft's L2TP VPN Client. Host Name - The name of the L2TP client connecting to the L2TP Server.Ĭonfiguring Microsoft Windows L2TP VPN Client Access.Authentication - Type of authentication used by the L2TP client.Interface - The interface used to access the L2TP Server, whether it is a VPN client or another firewall.Zone - The zone used by the L2TP client.PPP IP - The source IP address of the connection.User Name - The user name assigned in the local user database or the RADIUS user database.If you have configured a specific user group defined for using L2TP, select it from the User Group for L2TP users menu or use Everyone. The private IP addresses should be a range of IP addresses on the LAN.ħ. Enter the range of private IP addresses in the Start IP and End IP fields. If the L2TP Server provides IP addresses, select Use the Local L2TP IP pool. Select IP address provided by RADIUS/LDAP Server if a RADIUS/LDAP server provides IP addressing information to the L2TP clients.Ħ. If you have a second WINS server, type the IP address in the WINS Server 2 field.ĥ. Enter the IP address of your first WINS server in the WINS Server 1 field. If you have a second DNS server, type the IP address in the DNS Server 2 field.Ĥ. Enter the IP address of your first DNS server in the DNS Server 1 field. Then click Configure to display the L2TP Server Configuration window.Įnter the number of seconds in the Keep alive time (secs) field to send special packets to keep the connection open. To enable L2TP Server functionality on the firewall, select Enable L2TP Server. To configure the L2TP Server, follow these steps:ġ. The VPN > L2TP Server page provides the settings for configuring the Dell SonicWALL network security appliance as a L2TP Server. Note For more complete information on configuring the L2TP Server, see the technote Configuring the L2TP Server in SonicOS located on the Dell SonicWALL documentation site. Configuring Google Android L2TP VPN Client Access on page 627.Configuring Microsoft Windows L2TP VPN Client Access on page 626.Viewing Currently Active L2TP Sessions on page 626.Configuring the L2TP Server on page 625.This chapter includes the following sections: You can use L2TP to authenticate the endpoints of a VPN tunnel to provide additional security, and you can implement it with IPsec to provide a secure, encrypted VPN solution. L2TP supports several of the authentication options supported by PPP, including Password Authentication Protocol (PAP), Challenge Handshake Authentication Protocol (CHAP), and Microsoft Challenge Handshake Authentication Protocol (MS-CHAP). L2TP provides interoperability between different VPN vendors that protocols such as PPTP and L2F do not, although L2TP combines the best of both protocols and is an extension of them. You can use Layer 2 Tunneling Protocol (L2TP) to create VPN over public networks such as the Internet. In situations where running the Global VPN Client is not possible, you can use the Dell SonicWALL L2TP Server to provide secure access to resources behind the firewall. The Dell SonicWALL network security appliance can terminate L2TP-over-IPsec connections from incoming Microsoft Windows or Google Android clients.
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