L2TPv2 Tunneling of PPP Feature Overview and Configuration Guide

This document describes the L2TPv2 capabilities supported by the AR-Series firewalls, and how to configure them.

The AR-Series fIrewalls support operation in two types of L2TP tunnel:

  • as a LAC for LAC-LNS tunnels
  • peer-to-peer tunnels

The first section of the document provides an overview of L2TP.  The next section describes the LAC-LNS tunnels and how the LAC tunnels PPP sessions from the client PPPoE connections.

The final section describes support for Managed L2TPv2 peer-to-peer tunnels.