中小企业网络工程的设计与实现

本科生毕业设计中小企业网络工程的设计与实现院系计算机科学与技术学院专业计算机科学与技术班级学号学生姓名联系方式指导老师分数2012年4月摘要随着网络的逐步普及，企业网络的建设是企业向信息化发展的必然选择，企业网网络系统是一个非常庞大而复杂的系统，它不仅为现代化发展、综合信息管理和办公自动化等一系列应用提供基本操作平台，而且能提供多种应用服务，使信息能及时、准确地在各个部门之间传递。本项目为郑州企业公司的一个企业网，对于公司业务的划分和公司发展的趋势，在布置信息点时能全面的考虑其拓展性，再结合公司结构的特点，采用相应设备和技术的选型。根据对该企业网络总体结构分析，采用三层结构组网方式来实现数据。通信的负载分担，及接入层，汇聚层和核心层，接入层主要实现信息点的接入，汇聚层下联接入层设备，上联核心层设备，起到桥接作用，汇聚层实现数据的高效转发。我们采用主流的OSPF协议作为三层设备学习路由的方式，该协议具有开放性，被广大厂商支持，将总部核心设备划分到骨干区域，将许昌分部划分到标准区域。我们同时采用静态路由协议，来实现缺省路由的配置。采用划分VLAN的方式来实现二层数据的隔离，以达到部门之间通信的访问隔离目的。最后达到全网的连通性。关键词：企业网络；路由技术；VlAN；OSPFABSTRACTAlongwiththegradualspreadofthenetwork,acorporatenetworkistheinevitablechoiceofenterpriseInformationizationconstruction,enterprisenetworksystemsisaverylargeandcomplexsystem,itnotonlyforthedevelopmentofmodern,integratedinformationmanagementplatformandprovidesbasicofficeautomationapplicationsandaseriesofoperations,andcanprovideawiderangeofapplicationservices,sothatinformationcanbepassedbetweenvariousdepartmentsinatimelyandaccuratemanner.TheprojectfortheZhengzhoucompaniesofanenterprisenetwork,forthecompanybusinessdivisionandcorporatedevelopmenttrend,inthelayoutinformationpointcanfullyconsideritsdevelopment,combinedwiththecompanystructure,adoptsthecorrespondingequipmentandtechnologyselection.Accordingtotheenterprisenetworkoverallstructureanalysis,adoptthreelayersofstructurenetworktorealizedata.Communicationtosharetheload,andtheaccesslayer,convergencelayerandcorelayer,accesslayermainlyrealizestheinformationpointofaccessconvergencelayerandaccesslayerdevice,thesecondlineofacouplet,acorelayerequipment,playabridgingrole,convergencelayerachieveefficientdataforwarding.WeadoptthemainstreamOSPFprotocolasalayerthreedevicelearningroutingmanner,theagreementhasopensex,besupportofthemajorityofmanufacturers,thecoreequipmentdivisionheadquarterstothebackbonearea,thedivisionofXuchangintostandardregion.Wealsoadoptthestaticroutingprotocol,toachieveadefaultrouteconfiguration.UsingthepartitionofVLANwaytoachievetwolayerdataisolation,inordertoachievecommunicationbetweendepartmentsaccessisolationpurposes.Finallyreachingthefullnetworkconnectivity.Keywords:Enterprisenetwork；Routingtechnology；VLAN；OSPF目录第一章引言.............................................................................................................................11.1项目背景及意义..........................................................................................................11.2郑州企业公司网络简析............................................................................................11.3工程网络建设方法.....................................................................................................21.4总结................................................................................................................................2第二章网络建设需求分析.............................................................................................32.1企业业务需求..............................................................................................................32.2企业设计要求分析.....................................................................................................32.3可行性分析...................................................................................................................3第三章企业网络总体设计.............................................................................................53.1企业网络总体设计思想............................................................................................53.2企业设计基本原则.....................................................................................................53.3企业网络拓扑图..........................................................................................................63.4网络架构分析..............................................................................................................73.5整体设备规划..............................................................................................................73.6IP地址的规划.............................................................................................................83.7VLAN的划分................................................................................................................11第四章网络技术.................................................................................................................124.1VLAN技术....................................................................................................................124.2OSPF协议的介绍......................................................................................................144.2.1OSPF协议简介..............................................................................................144.2.2OSPF路由器种类..........................................................................................144.2.3OSPF特殊区域..............................................................................................154.3静态路由.....................................................................................................................16第五章网络配置及解决方案....................................