ZyXEL Communications ZyWALL USG-Series - Page 159

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• Use Pre-Shared Key authentication
• Use a VPN gateway with the Secure Gateway set to 0.0.0.0 if you need to allow L2TP VPN
clients to connect from more than one IP address.
Disconnect any existing L2TP VPN sessions before modifying L2TP VPN settings. The remote users
must make any needed matching configuration changes and re-establish the sessions using the new
settings.