Abstract
Along with the information technology unceasing development, the information technology develops the more and more promoter action to the social progress and the national economy, and to the traditional thought idea, the work way brought the huge impact, the world already enters the information time. The network gradually enters all the various trades and occupation, its vital function appears day by day. As soon participates in the high tech competition the company enterprise, how faces the impact which the network time brings, how enhances the company using the network technology the management level and the grade of service, is important topic which very many enterprises faces. In the company enterprise interior network construction, I use the Chinese telecommunication the mature 1000000000000000 ether nets technology which provides as ISP, the interior use three structures, namely the core level, the exchange level and turn on the level, elects the network develops the plain structure is a star, through equipment and so on connection router, firewall, switchboard, server, workstation comes the skeleton network. Realizes VLAN during the implementation by the network software system and three switch boards to manage various administrative offices, the department, the engine room turns on the network management center, utilizes C/S the working pattern, the effective management staff has used the computer the time, the visit jurisdiction and so on, we uses the VPN technology in the design, satisfies outside the concerned staff travels on official business when promptly with the base company obtains the relation. Thus, may set up has the wide band circuit and the interactive function specialized local area network applies to the scholarly research, the management and the communication three big functions. Has the good expansion ability, will satisfy the next network development request. Key word: Router firewall switchboard VLAN wiring department Series . 随着信息技术的不断发展，信息技术对社会进步和国民经济发展起到越来越大的促进作用，并对传统的思想观念、工作方式带来巨大的冲击，世界已经进入信息化时代。网络逐步进入各行各业，其重要作用日益显现出来。作为即将参与高科技竞争的公司企业，如何面对网络时代带来的冲击，如何利用网络技术提高公司的管理水平和服务质量，是很多企业面临的重要课题。
在公司企业内部的网络建设中，我采用中国电信作为ISP提供的成熟的千兆以太网技术，内部采用三层结构，即核心层、交换层和接入层，所选的网络拓扑结构是星型，通过连接路由器、防火墙、交换机、服务器、工作站等设备来构架网络。在实施中同时以网络软件系统和三层交换机实现VLAN管理各科室、部门、机房接入网络管理中心,通过防火墙接入深圳市的骨干网络，更好更快的获取外界的信心,加强与同行的交流和竞争,运用C/S的工作模式，有效的管理了员工使用计算机的时间、访问权限等，在设计中我们利用VPN技术，以满足有关员工外出差时及时与公司总部取得联系。这样，可以组建具有宽带通路和交互功能的专业性局域网应用于学术研究、管理和通讯三大功能。在核心层主要采用硬件与软件技术相结合来实现其功能，而并不仅仅采用较贵的硬件来实现网络功能，充分利用现有的资源，不浪费，不盲目追求设备的高端化，对现有的计算机资源进行降级再使用。同时考虑到公司的应用环境，建设了丰富的应用服务器，以满足信息共享的需求。同时考虑到公司今后的发展壮大，采用开放式的结构和技术，使网络具有良好的扩充能力和开放性，以满足今后网络发展要求.
关键词：路由器 防火墙 交换机 VLAN 布线系统
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