本文首先列出了校园网规划与设计工程的背景,探讨了校园网络升级改造方案设计,并提供了具体实施步骤,分别从出口及网络结构、地址段划分、新校区网络建设、无线网的规划与设计等方面阐述了利用的现有条件及成熟技术对原有网络进行升级改造。最后列出了改造后的校园网在提升用户资源访问的便利性及出现的问题和后期建设性的意见。 This paper first lists the background of campus network planning and design project, discusses the campus network upgrade program design and provides specific steps to implement, respectively, from the export and network structure, address division, the new campus network construction, wireless network planning And design and other aspects of the use of the existing conditions and mature technology to upgrade the original network. Finally, it lists the convenience, problems and post-constructive opinions of the rebuilt campus network in improving user resource access.