L2TP-configuration on a USG-Firewall using the Windows built-in client

VPN connections enable access to far-away sites. However, using L2TP over IPSec, you can grant even mobile access to your sites, using standardized built-in clients on phones as well as on windows-built in clients. This Step-by-Step guide (including video) will show you what to do in order to grant a smooth connection to your remote site and your windows built-in client!

Walkthrough Steps
This article explains how to setup L2TP VPN to your USG using the setup wizard and a Windows 10 client.

On your USG:
Please check this article: How to use the VPN Setup Wizard to create a L2TP VPN on the ZyWALL/USG

Now let´s go on with your Windows 10 client:

1 To configure L2TP VPN in Windows 10 operating system, go to Start > Settings > Network & Internet > VPN > Add a VPN Connection and configure as follows.

VPN Provider set to Windows (built-in).

Configure Connection name for you to identify the VPN configuration.

Set Server name or address to be the ZyWALL/USG’s WAN IP address (172.124.163.150 in this example).

Select VPN type to Layer 2 Tunneling Protocol with IPsec (L2TP/IPsec).

Enter User name and Password which the same as Allowed User created in ZyWALL/USG (L2TP_Remote_Users/zyx168 in this example).

2 Go to Control Panel > Network and Internet > Network Connections and right click Properties. Continue to Security > Advanced settings and select Use pre-shared key for authentication.