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Virtual Private Network – L2TP
12.1 Demands
1. One employee in our company may sometimes want to connect back to our coporate network to work on something. His
PC is PC1_1 in LAN1 instead of DMZ1 so he cannot directly access the host by simply with virtual server settings. This
causes inconvenience for the employee to work remotely.
12.2 Objectives
1. With L2TP tunneling, emulate the mobile employee as a member in LAN_1 after he dials in the corporate network. Then
he can access all computers in LAN_1 just as if he stays in the office covered by LAN_1.
12.3 Methods
1. Setup the L2TP server at DFL-1500 (LNS: L2TP Network Server). After dialing up to DFL-1500, DFL-1500 will assign a
private IP which falls in the range of the settings in the L2TP server at DFL-1500. Suppose the range is defined as
192.168.40.200 ~ 192.168.40.253, the remote host may get an IP of 192.168.40.200 and logically become a member in
LAN_1.
Virtual Private Network – L2TP
This chapter introduces L2TP and explains how to implement it.
Figure 12-1 L2TP method connection
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DFL-1500 User Manual
Chapter 12
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