校园网动态IP地址管理的研究

Research on Dynamic IP Address Management in Campus Network

针对动态IP地址配置方式下出现的伪DHCP对校园网用户的影响问题,研究了DHCP的工作原理,剖析了伪DHCP影响校园网用户的原因,提出了通过调整网络结构并利用访问控制列表和PVLAN等技术联合解决问题的方案。

According to the issue that campus network users were affected by false-DHCP which was raised in the dynamic configuration mode of IP address, this paper takes a close look at the principle of DHCP, and it analyzes the reason of the false-DHCP issue. The author brings up a solution by adjust the network structure, use access control list and PVLAN technique to solve the problem.