摘要:随着信息时代的到来，企业信息化已经成为企业重要财富和宝贵资源。对于大型企业而言，信息化无论是作为战略手段还是战术手段，在企业经营中发挥着举足轻重的作用。只有坚实的计算机网络基础设施才能承载信息化的飞速发展，进而推动企业变革、提升企业核心竞争力。

　随着近年来企业信息化建设的深入，企业的运作越来越融入计算机网络，企业的沟通、应用、财务等等数据流都在企业网络上传输，构建一个“安全可靠、性能卓越、管理方便”的“高品质”大型企业网络已经成为企业信息化建设成功的关键基石。

　本文首先分析了网络设计的背景与意义，接着对棒约翰企业网进行了需求分析。根据分析结果对该企业网络进行了规划与设计，然后对棒约翰企业网络设计中所采用关键的技术VTP、EtherChannel、STP、HSRP、VPN等进行了说明。论文还对组网中所涉及的交换机和防火墙等设备给出了详细的配置，最后对保障企业网络高可用性策略做了介绍和部署。

关键词：企业网; 构建网络;网络规划

Abstract:With the advent of the information age, enterprise informatization has become the enterprise's important wealth and precious resources.For large enterprises, the information whether is a strategic means or tactics, in the operation of enterprises play a decisive role.Only the solid computer network infrastructure to carry the rapid development of information technology, and promote the enterprise reform, improve the core competitiveness of enterprises.

　In recent years with the enterprise informationization construction development, the operation of enterprises more and more into the enterprise computer network, communication, application, financial and so on data flow in the network transmission, to build a "safe, reliable performance, convenient management" and "high quality" of large enterprise network has become the key to the success of enterprise informatization construction foundation.

　This paper firstly analyzes the background and significance of network design, and then the rod John enterprise network requirements analysis.According to the results of the analysis on the enterprise network planning and design, and then the rod John enterprise network design used in key technology VTP, EtherChannel, STP, HSRP, VPN are reviewed.Research on network involved in the switch and firewall device gives a detailed configuration, finally to protect the enterprise network high availability strategy is introduced and deployed.

Key words：Enterprise network; Construction of network; Network planning