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NE40E V800R010C10SPC500 Configuration Guide - User Access 01

This is NE40E V800R010C10SPC500 Configuration Guide - User Access
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Configuring an LAC

Configuring an LAC

An L2TP tunnel is established between an LAC and an LNS. You need to start an L2TP connection and set tunnel parameters and the authentication mode on the LAC.

Usage Scenario

When an L2TP user goes online, the LAC sets up a tunnel with the remote LNS and sends the packets to the LNS through the tunnel. When the NE40E functions as an LAC, you must configure an L2TP group, that is, enable LAC on the NE40E.

When the NE40E functions as an LAC, the process of initiating an L2TP connection after the L2TP user goes online is shown in Figure 10-2.

Figure 10-2 Process of initiating an L2TP connection

(1) The NE40E reads the domain name contained in the user name.
(2) The NE40E reads the L2TP group name specified for the domain.
(3) The NE40E reads the LNS address specified for the L2TP group.
(4) The NE40E initiates a connection with the LNS.

Pre-configuration Tasks

Before configuring an LAC, complete the following tasks:

  • Configuring PPPoX access services, including configuring the virtual template, AAA scheme, and BAS interface, and specifying a virtual template for an interface

  • Configuring the domain to which L2TP users belong

  • Configuring the RADIUS server group if the users in the specified domain use the L2TP attributes delivered by the RADIUS server

  • Enabling L2TP

Configuration Procedures

Figure 10-3 Flowchart for configuring the LAC
Updated: 2019-01-03

Document ID: EDOC1100055031

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