Connect to your router. To do that you have to enter the following address in your browser: http://192.168.1.1. Also, if you are connected to your router via Ethernet, set your network connection to obtain the IP address automatically.
In the “Advanced Settings” box click on “VPN” button (1).
Click on “VPN Client” tab (2).
Click on “Add profile” (3).
Make sure that “L2TP” (4) is selected, then fill the fields with the following settings:
“Description” (5) – type a name for your connection, for example: SirVPN L2TP
“VPN server” (6) – type the IP address of the SirVPN server you want to connect to.