1First, you need to install L2TP module. Open terminal and type the these 5 commands:
command 1
When you finished the commands, logout/login is required.
command 1
sudo apt-get updatecommand 2
sudo apt-get upgradecommand 3
sudo add-apt-repository ppa:nm-l2tp/network-manager-l2tpcommand 4
sudo apt-get updatecommand 5
sudo apt-get install network-manager-l2tp network-manager-l2tp-gnome
When you finished the commands, logout/login is required.
2Go to the "Network Connections":

3Choose "Layer 2 Tunneling Protocol (L2TP)" as your connection type and select "Create...":

3When new window appear, complete the fields as below:

At the end click on "IPsec Settings..." button.
- Connection name: RapidVPN
- Gateway: Your VPN server IP/address
Note: To see your server IP address, login here with your username and password. - User name: Your VPN username
- Password: Your VPN password

At the end click on "IPsec Settings..." button.
4In L2TP IPsec Options, type "8870680" in "Pre-shared key" and leave Gateway ID empty, then click on OK:

5In Editing RapidVPN L2TP window, click on "Save" button:


6Now you are ready to use your connection. Click on network icon from tray area -> VPN Connections -> RapidVPN Connection. Now your connection will start and soon will be established. Enjoy!
