4 L2TP Configuration
About This Chapter
L2TP is a VPN technology that facilitates the tunneling of PPP frames and allows the Layer 2
termination points and PPP session endpoints to reside on different devices.
4.1 L2TP Overview
The L2TP protocol, which embodies the advantages of L2F and PPTP, is a industry standard on
Layer 2 tunnel protocols defined by the IETF.
4.2 Configuring Basic L2TP Functions
In L2TP configurations, you need to configure basic L2TP functions before configuring other
L2TP functions.
4.3 Configuring LAC
After being configured as an LAC, a device determines whether the user is an access user and
whether to initiate a connection to an LNS.
4.4 Configuring LNS
After receiving a tunnel setup request from an LAC, an LNS checks the authentication method
and determines whether to allow the LAC to set up an L2TP tunnel.
4.5 Adjusting L2TP Connection
After an L2TP tunnel is set up, you can configure or adjust L2TP parameters.
4.6 Maintaining L2TP
This section describes how to disconnect a tunnel forcibly, and monitor the running status of
L2TP.
4.7 Configuration Examples
This section provides L2TP configuration examples.
Huawei AR1200 Series Enterprise Routers
Configuration Guide - VPN 4 L2TP Configuration
Issue 01 (2012-04-20) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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