1、中 小 型 企 业 局 域 网 组 建 摘 要 迅速发展的 Internet 正在对全世界的信息产业带来巨大的变革和深远的影响。市场 的全球化竞争已成为趋势。对于企业来说，在调整发展战略时，必须考虑到市场的全球 竞争战略，而这一切也将以信息化平台为基础，借助计算机网络原理及网络规划技术， 以网络通畅为保证。 企业内部网（Internet）是国际互联网（Internet）技术在企业内部或封闭的用户群内 的应用。Internet 是使用 Internet 技术，特别是 TCP/IP 协议而建成的企业内部网络。这 种技术允许不用计算机平台进行互通，暂不用考虑其位置。也就是所说的用户可以对任 何一台进
2、行访问或从任何一台计算机进行访问。 本文从企业网络需求开始分析，根据现阶段 cisco 公司主流网络设备进行选材，规 划最适用于目标网络的拓扑结构，建设合理的网络设计方案。本课题实施部分由 GNS3 模 拟 器 来 搭 建 网 络 拓 扑 结 构 ， 利 用cisco设 备 操 作 系 用 unzip-c2691-advsecurityk9-mz.124-11.T2 作为 拓扑内 所有设备 核心 IOS， 然后用 SecureCRT 进行路由器交换机的相关配置，并测试其结果最终验证网络的规划与设计符 合企业的需求。 关键词：企业网络，拓扑结构，冗余，路由，交换 ABSTRACT On the
3、rapid development of the Internet is the worlds information industry bring great changes and profound influence. The globalization of market competition has become a trend. For companies, in the adjustment of development strategy, must consider the global market competition strategy, and all this wi
4、ll be based on the information platform, with the help of the computer network principle and network plan technology, guarantee for network flow. Intranet (Internet) is the international Internet (Internet) technology in the enterprise internal or closed user group within the application. The Intern
5、et is the use of Internet technology, especially the TCP/IP protocol and built in internal network. This technology allows no computer platform interoperability, temporarily dont have to consider its position. Is what the user can to access or any one from any computer. In this paper, starting from
6、the enterprise network demand analysis, according to the current mainstream cisco network equipment material selection, planning the most suitable for the target network topological structure, the construction of reasonable network design. This topic to implement part by GNS3 simulator to build network topology, using cisco equipment operation system with unzip - c2691 - advsecurityk9 - mz. 124-11. T2 as topology all equipment within the core of IOS, then use SecureCRT router switch configura
