计算机基础知识：网络分层协议

彭世瑜发布时间：2021-01-22 10:25:55 ，浏览量：0

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物理层

集线器转发到所有出口（广播)
MAC 地址(全局唯一)

数据链路层

交换机（MAC 地址表）

网络层

路由器（路由表）
IP 地址子网子网掩码默认网关
ARP协议（Address Resolution Protocol）找到 IP 地址对应的 MAC 地址
ARP缓存表

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参考如果让你来设计网络

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计算机基础知识：网络分层协议

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