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Set Up the L2TP VPN Tunnel on the Android Mobile Device
1 To configure L2TP VPN in Android, go to Start > Settings > Network & Internet > VPN > Add a
VPN Connection and configure as follows.
2 VPN Provider set to Windows (built-in).
3 Configure Connection name for you to identify the VPN configuration.
4 Set Server name or address to be the ZyWALL/USG’s WAN IP address (172.124.163.150 in this
example).
5 Select VPN type to Layer 2 Tunneling Protocol with IPsec (L2TP/IPsec).
6 Enter User name and Password which the same as Allowed User created in ZyWALL/USG
(L2TP_Remote_Users/zyx168 in this example).