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PPP协议是个被普遍支持 ,用来实现LAN协议中继的WAN数据封装协议。文章主要讲述了PPP协议的基本框架 ,及实现PPP协议网络接口卡的软硬件结构。
The PPP protocol is a widely supported WAN data encapsulation protocol used to implement LAN protocol trunking. The article mainly describes the basic framework of the PPP protocol, and the software and hardware structure of the PPP interface network interface card.