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CLI-based Configuration Guide - VPN

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010

This document describes VPN features on the device and provides configuration procedures and configuration examples.
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Setting Up a Secure Tunnel Connection Using L2TP over IPSec Encapsulation

Setting Up a Secure Tunnel Connection Using L2TP over IPSec Encapsulation

An enterprise has a branch located in another city, and its branch network uses the Ethernet and has a gateway deployed, so branch hosts can access the Internet. L2TP is enabled on the headquarters and branch devices to set up VPDN connections so that branch users can access resources in the headquarters. When the enterprise requires high security, L2TP is not enough to provide protection on packet transmission. In this case, use L2TP together with IPSec to prevent data from being intercepted or attacked. Data packets are encapsulated using IPSec and L2TP on the LAC before being forwarded to the headquarters. Configure an IPSec policy on the headquarters gateway to decapsulate the packets. L2TP over IPSec encapsulation protects the original data packets and provides protection on access users as required.

Figure 1-14  Setting up a secure tunnel connection using L2TP over IPSec encapsulation
Updated: 2019-08-07

Document ID: EDOC1100033725

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