4 DHCP与PXE IP是怎么来的,又是怎么没的(整理自<趣谈网络协议>

导图文件位置:https://github.com/StephennQin/mind-map/blob/master/4%20DHCP%E4%B8%8EPXE%20IP%E6%98%AF%E6%80%8E%E4%B9%88%E6%9D%A5%E7%9A%84%2C%E5%8F%88%E6%98%AF%E6%80%8E%E4%B9%88%E6%B2%A1%E7%9A%84.xmind