To install the L2TP module on Ubuntu and Ubuntu-based Linux distributions, use the following PPA. It provides support for L2TP and L2TP/IPsec. To add an L2TP/IPsec option to the NetworkManager, you need to install the NetworkManager-l2tp VPN plugin which supports NetworkManager 1.8 and later. How to Setup L2TP VPN Connection in Linux This guide assumes that the L2TP/IPsec VPN server has been set up and that you have received the following VPN connection details from your organization’s or company’s system administrator. In this article, we will show how to set up an L2TP/IPSec VPN connection in Ubuntu and its derivatives and Fedora Linux. The L2TP does not provide any authentication or encryption mechanisms directly to traffic that passes through it, it is usually implemented with the IPsec authentication suite ( L2TP/IPsec) to provide encryption within the L2TP tunnel. It is implemented in most if not all modern operating systems including Linux and VPN-capable devices. L2TP (which stands for Layer 2 Tunneling Protocol) is a tunneling protocol designed to support virtual private networks (VPN connections) over the internet.

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