Chapter 8 L2TP VPN Example

8Click Security, select Advanced (custom settings) and click Settings.

Figure 147 Connect L2TP to ZyWALL: Security

9Set Data encryption to Optional encryption (connect even if no encryption) and the Allow these protocols radio button. Select Unencrypted password (PAP) and clear all of the other check boxes. Click OK.

Figure 148 Connect ZyWALL L2TP: Security > Advanced

10Click Yes. When you use L2TP VPN to connect to the ZyWALL, the ZyWALL establishes an encrypted IPSec VPN tunnel first and then builds an L2TP tunnel

 

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ZyWALL USG 2000 User’s Guide