专用虚拟网vpn技术

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1、目录前言-----------------------------------------------------------------------------------4第一章VPN介绍------------------------------------------------------------------51VPN概述---------------------------------------------------------------------51.1VPN的概念-------------------------------------------

2、----------------51.2VPN的基本技术-----------------------------------------------------52VPN的类型与应用方式----------------------------------------------------62.1AccessVPNs--------------------------------------------------------62.2Intranet和ExtranetVPNs----------------------------------------73三层隧道协议--

3、-------------------------------------------------------------74VPN的优点------------------------------------------------------------------75VRP支持的VPN协议------------------------------------------------------8第二章L2TP协议介绍-----------------------------------------------------------91概述--------------

4、-------------------------------------------------------------92L2TP工作过程-------------------------------------------------------------103L2TP特性--------------------------------------------------------------------10第三章LNS端的配置------------------------------------------------------------121acceptd

5、ialinl2tpvirtual-template----------------------------------122clearvpdntunnell2tp-------------------------------------------------123force-local-chap-----------------------------------------------------------134interfacevirtual-template----------------------------------------------135l2tptu

6、nnelauthentication---------------------------------------------136l2tptunnelpassword---------------------------------------------------147lcprenegotiation---------------------------------------------------------148localname-----------------------------------------------------------------149

7、showl2tpsession-------------------------------------------------------1510showl2tptunnel-------------------------------------------------------1511vpdn-group---------------------------------------------------------------16第四章LAC端的配置----------------------