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PPTP and L2TP VPN Configuring L2TP
FortiGate-800 Installation and Configuration Guide 267
4 In the connect window, enter the User Name and Password that you use to connect to
your dialup network connection.
This user name and password is not the same as your VPN user name and password.
Configuring a Windows XP client for L2TP
Use the following procedure to configure a client computer running Windows XP so
that it can connect to a FortiGate L2TP VPN.
To configure an L2TP VPN dialup connection
1 Go to Start > Settings.
2 Select Network and Internet Connections.
3 Select Create a connection to the network of your workplace and select Next.
4 Select Virtual Private Network Connection and select Next.
5 Name the connection and select Next.
6 If the Public Network dialog box appears, choose the appropriate initial connection
and select Next.
7 In the VPN Server Selection dialog, enter the IP address or host name of the
FortiGate unit to connect to and select Next.
8 Select Finish.
To configure the VPN connection
1 Right-click the icon that you created.
2 Select Properties > Security.
3 Select Typical to configure typical settings.
4 Select Require data encryption.
5 Select Advanced to configure advanced settings.
6 Select Settings.
7 Select Challenge Handshake Authentication Protocol (CHAP).
8 Make sure that none of the other settings are selected.
9 Select the Networking tab.
10 Make sure that the following options are selected:
•TCP/IP
• QoS Packet Scheduler
11 Make sure that the following options are not selected:
• File and Printer Sharing for Microsoft Networks
• Client for Microsoft Networks
Note: If a RADIUS server is used for authentication do not select Require data encryption.
L2TP encryption is not supported for RADIUS server authentication.