Unified Security Gateway User's Guide

Chapter 26 L2TP VPN Example
ZyWALL USG 1000 User’s Guide
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6 Click Properties.
Figure 289 Connect L2TP to ZyWALL
7 Click Security and select Advanced (custom settings) and click Settings.
Figure 290 Connect L2TP to ZyWALL: Security
8 Select Optional encryption allowed (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. Click Ye s if a screen pops up.