01 - Click the Apple icon in the upper left of your display, then click System Preferences.

02 - Click Network.

03 - Click the Plus (+) to create a new network connection.

04 - Click Interface, then click VPN from the dropdown menu.

05 - Next, choose the VPN Type. Select L2PT over IPSec.

06 - Give your connection a Service Name (it doesn't have to be anything specific), then click Create.

07- Enter a Server Address like the one below and your Account Name (username):

Choose none for encryption level  

Click Authentication Settings.

08 - Enter your Password in the password field and enter “123456” in the Shared Secret field then click OK.

09 - Now click on “Advanced settings” and check “Send all traffic over VPN connection” and click “ok” and “Apply” to save your settings then click Connect.

10 - Your VPN will now connect. For future only choose your VPN from the list, then click Connect once more.