Using L2TP VPN to build universityvirtual private network not only saves hardware costs ,but also simplifies the client configuration ,increase responsetimes ,and for school teachers and students to access exclusive resources oncam‐pus provides a cheap and convenient way to remote access .%利用L2TP VPN搭建高校虚拟专用网络，不仅节约了硬件成本，而且简化了客户配置，提高了响应速度，为校外师生访问校内专属资源提供了一种廉价且便利的远程访问方式。
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