OfficeConnect VPN Firewall User’s Manual Chapter 15. Configuring L2TP Server
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15 Configuring L2TP Server
15.1 Introduction
The OfficeConnect Gigabit VPN Firewall can terminate L2TP-over-IPsec
connections from incoming Microsoft Windows 2000 and Windows XP clients.
You can use Layer 2 Tunneling Protocol (L2TP) to create VPN over public
networks such as the Internet. L2TP provides interoperability between different
VPN vendors that protocols such as PPTP and L2F do not, although L2TP
combines the best of both protocols and is an extension of them. L2TP is
supported on Microsoft Windows 2000 Operating System. L2TP supports
several of the authentication options supported by PPP, including Password
Authentication Protocol (PAP), Challenge Handshake Authentication Protocol
(CHAP), and Microsoft Challenge Handshake Authentication Protocol (MS-
CHAP). You can use L2TP to authenticate the endpoints of a VPN tunnel to
provide additional security, and you can implement it with IPsec to provide a
secure, encrypted VPN solution.
The chapter contains instructions for configuring L2TP server and also provides
an example for configuring L2TP over IPSec.
15.2 L2TP Server Configuration Parameters
Table 14.1describes all the L2TP Server configuration parameters.
Table 15.1. L2TP Server Configuration Parameters
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