根据所学知识，设计一个校园网或企业网建设方案（假设有计算机系楼，数学系楼，英语系楼，物理系楼及行政楼。建议分为5个VLAN）。租用电信一个外部IP地址202.101.98.66，用虚拟映射方式实现局域网上网。-According to what they have learned to design a campus network or enterprise network construction program (assuming that there is floor, Department of Computer Science, Mathematics Department building, the English Department building, Department of Physics House and administration building. Proposals are divided into five VLAN). Rental of telecommunication to an external IP address 202.101.98.66, using a virtual LAN to the Internet mapping methods.