摘要： 讨论企业网组网层次结构，及原有网络的升级改造、传输介质选取、网络交换设备选取、企业网专用IP地址和网络地址转换NAT，并用Nortel Network和3COM产品给出企业网组网设计和网络地址转换NAT的实现方法。

关键词: 企业网, 交换机, IP地址, NAT

Abstract: The levels structure and protocol structure of enterprise network design are discussed. Composing network scheme, structured wiring, selection of network device and transmitive medium, network management etc.are also discussed. An example of enterprise network with Nortel Network Accelar 1200 router switcher as backbone is proposed. It further discusses special IP address of Intranet and network address translator technology, and proposes an example of network address translator with 3COM router product.

中图分类号: 

• TP393.03