小型校园网构建计算机网络zq

1、企业网络设计1. 课程设计目的1、增加对计算机网络软、硬件组成的感性认识初步学会典型局域网络的操作、使用技能；2、加深理解网络分层结构概念尤其是对会话层、表示层、应用层等高层协议软件的通信功能、实现方法，掌握网络互连设备的使用及工作原理，掌握IP地址的配置；3、初步掌握局域网的设计技术和技巧培养开发网络应用的独立工作能力。2. 设计方案论证2.1设计思路总体设计思路进行企业网络总体设计，首先，进行对象研究和需求调查，弄清企业的性质、 任务和特点，对企业的信息化环境进行准确的描述，明确系统建设的需求和条件； 其次，在应用需求分析的基础上，确定企业In tra net 服务类型，进而确定系统建设的

2、具体目标，包括网络设施、站点设置、开发应用和管理等方面的目标；第三， 确定网络拓扑结构和功能，根据应用需求、建设目标和学校主要建筑分布特点，进 行系统分析和设计；第四，确定技术设计的原则要求，如在技术选型、布线设计、 设备选择、软件配置等方面的标准和要求；第五，规划安排企业网建设的实施步 骤。网络设计将网络中心设在D座楼，支持远程教案，可以接入互联网，具有广域网访问的 安全机制和网络管理功能。以 D座楼为中心，用光纤连接到其它建筑物，构成校园 网光纤主干。网络结构分成三层：核心层、汇聚层、接入层。<1）终端用户包括：A座楼有48个校园网普通用户；B座楼有1个包含24个多媒体用户的电子阅览

3、室；C座楼有1个包含48个用户的多媒体教室（性能要求高于电子阅览室>。D座楼是网络中心 <2）支持远程教案，可以接入互联网，具有广域网访问的安全机制和网络管理功<3）各楼之间的距离为500M因为各座楼之间的距离是 500M而双绞线的最远距离是 100M所以基于对条 件要求的考虑，我们需要选择光纤或串行线作为传输介质。考虑传输高速率和扩展 的需求，企业网楼与楼之间采用光纤传输。网络主干采用多模光纤。网络中心到主 建筑物结点采用多模光纤连接。布线采用星形拓扑结构，这样当过渡到ATM时，不需要重新布线可使整个网络保持原有的拓扑结构。以上特点分层网络结构可以获得 良好的扩展性，根据实

4、际需求，整个企业网采用星型结构，由D座楼出发，延伸到ABC座楼。再从各个楼出发，以同轴电缆作为传输介质。由云到D座楼为A类网，由D座楼到各个楼之间为B类网，各个内部为C类网。对于整个网络的拓扑结构为混合型结构，以路由器为网络中心的星型结构，各 部门以交换机为主结点的树型结构。因为计算机与网络技术的特殊性，网络建设需要考虑以下一些因素：系统的先 进性、体统的稳定性、系统的可扩展性、系统的可维护性、应用系统和网络系统的 配合度、与外界网络的连通性、建设成本的可接受度等。具体设计表1校园网设备选择表楼座设备型号数量A座楼RouterRouter-PT1Switch2960-242PCPC-PT4Ro

5、uterRouter-PT2B座楼Switch2950T-242ServerServer-PT1PCPC-PT4C座楼RouterRouter-PT1Switch2950T-242PCPC-PT2SererServer-PT1D座楼RouterRouter-PT1CloudCloud-PT1表2设备连接表楼号设备1设备2设备之间的连线A座楼RouterRouter光纤RouterSwitch交叉双绞线SwitchPC直通双绞线B座楼RouterRouter光纤、串行线RouterSwitch直通双绞线SwitchPC直通双绞线SwitchServer直通双绞线C座楼RouterSwitch直通

6、双绞线SwitchPC直通双绞线SwitchServer直通双绞线SwitchSwitch交叉双绞线D座楼RouterRouter光纤RouterCloud串行线表3主机IP地址及网关主机ip地址默认网关PC0PC1PC2PC3PC4PC5PC6PC7PC8PC9ServerlServer2表4主机IP地址及网关主机ip地址默认网关PC0PC1PC2PC3PC4PC5PC6PC7PC8PC9Server1Server2PC-PTPCO960-241Switch 1CloSwitchPC-PTPCIPC'PTPC?一专咚outer-l£uter-PTRouter624TT Sw

7、itch 2PC-PTPCSR.ou1Kouter-PT二号建P 匚-PTPC3PC-PTPC9PC-PTPC5Server-PTServer2PC-PTPC4295QT*24SwitchGServer-PTServerl拓扑图如下:图1网络拓扑图2.2相关代码路由器D座楼的配置：Router>e nableRouter#c on figure termi nalEn ter con figurati on comma nds, one per line. End with CNTL/Z.Router(c on fig># in terface Serial2/0Router(c

8、on fig-if>#%LINK-5-CHANGED: In terface Serial2/0, cha nged state to upno shutdow n Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface Serial3/0Router(c on fig-if># no shutdow nRouter(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface FastE

9、ther net4/ORouter(c on fig-if># no shutdow n%LINK-5-CHANGED: In terface FastEthernet4/O, cha nged state to dow n Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface FastEther net5/0Router(c on fig-if># no shutdow n%LINK-5-CHANGED: In terface FastEthernet5/0, cha n

10、ged state to dow n Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface Serial2/0Router(c on fig-if># no ip addressRouter(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface Serial3/0Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on

11、fig># in terface FastEther net4/0Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface FastEther net5/0Router(co nfig-if>#ip address 172.17.0.1 255.255.0.0 Router(c on fig-if>#在D座楼中设置静态路由Router>e nableRouter#c on figure termi nalEn ter con figurati on comma nd

12、s, one per line. End with CNTL/Z.Router(co nfig>#ip route 192.168.5.0 255.255.255.0 172.17.0.2 Router(c on fig>#路由器A座楼的配置：Router>e nableRouter#c on figure termi nalEn ter con figurati on comma nds, one per line. End with CNTL/Z.Router(c on fig># in terface FastEther net0/0Router(c on fig

13、-if># no shutdow n%LINK-5-CHANGED: In terface FastEthernet0/0, cha nged state to up %LINEPROTO-5-UPDOWN: Line protocol on In terface FastEthernet0/0, changed state to up Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface FastEther net1/0Router(c on fig-if># no sh

14、utdow n%LINK-5-CHANGED: In terface FastEthernet1/0, cha nged state to up %LINEPROTO-5-UPDOWN: Line protocol on In terface FastEthernet1/0, changed state to up Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface FastEther net4/0Router(c on fig-if># no shutdow n%LINK-5

15、-CHANGED: In terface FastEthernet4/O, cha nged state to up %LINEPROTO-5-UPDOWN: Line protocol on In terface FastEthernet4/0, changed state to up Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface Serial3/0Router(c on fig-if># no shutdow nRouter(c on fig-if>#Route

16、r(c on fig-if>#exitRouter(c on fig># in terface FastEther netO/ORouter(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface FastEther net1/0Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface FastEther net4/0Router(c on fig-if>#Router(c on

17、 fig-if>#exitRouter(c on fig># in terface Serial3/0Router(c on fig-if>#在A座楼中设置静态路由Router>e nableRouter#c on figure termi nalEn ter con figurati on comma nds, one per line. End with CNTL/Z.Router(co nfig>#ip route 192.168.5.0 255.255.255.0 172.16.0.1 Router(c on fig>#路由器B座楼的配置：Route

18、r>e nableRouter#c on figure termi nalEn ter con figurati on comma nds, one per line. End with CNTL/Z.Router(c on fig># in terface FastEther net0/0Router(c on fig-if># no shutdow n%LINK-5-CHANGED: In terface FastEthernet0/0, cha nged state to up %LINEPROTO-5-UPDOWN: Line protocol on In terfa

19、ce FastEthernet0/0, changed state to up Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface FastEther net5/0Router(c on fig-if># no shutdow n%LINK-5-CHANGED: In terface FastEthernet5/0, cha nged state to up %LINEPROTO-5-UPDOWN: Line protocol on In terface FastEtherne

20、t5/0, changed state to up Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface Serial2/0Router(c on fig-if># no shutdow nRouter(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface FastEther net0/0Router(c on fig-if>#Router(c on fig-if>#exi

21、tRouter(c on fig># in terface FastEther net5/0Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface Serial2/0Router(c on fig-if>#在B座楼中设置静态路由Router>e nableRouter#c on figure termi nalEn ter con figurati on comma nds, one per line. End with CNTL/Z.Router(c on fig&g

22、t;#路由器Router 6的配置：Router>e nableRouter#c on figure termi nalEn ter con figurati on comma nds, one per line. End with CNTL/Z.Router(c on fig># in terface FastEther net0/0Router(c on fig-if># no shutdow n%LINK-5-CHANGED: In terface FastEthernet0/0, cha nged state to up %LINEPROTO-5-UPDOWN: Li

23、ne protocol on In terface FastEthernet0/0, changed state to up Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface Serial2/0Router(c on fig-if>#%LINK-5-CHANGED: In terface Serial2/0, cha nged state to upno shutdow nRouter(c on fig-if>#Router(c on fig-if>#exitRo

24、uter(c on fig># in terface FastEther net0/0Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface Serial2/0Router(c on fig-if>#在Router 6中设置静态路由Router>e nableRouter#c on figure termi nalEn ter con figurati on comma nds, one per line. End with CNTL/Z.Router(c on fig

25、>#路由器C座楼的配置：Router>e nableRouter#c on figure termi nalEn ter con figurati on comma nds, one per line. End with CNTL/Z.Router(c on fig># in terface FastEther net1/0Router(c on fig-if># no shutdow n %LINK-5-CHANGED: In terface FastEthernet1/0, cha nged state to upRouter(c on fig-if>#Rou

26、ter(c on fig-if>#exitRouter(c on fig># in terface Serial3/0Router(c on fig-if>#%LINK-5-CHANGED: In terface Serial3/0, cha nged state to upno shutdow n Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface FastEther net1/0Router(c on fig-if>#Router(c on fig-if&

27、gt;#exitRouter(c on fig># in terface Serial3/0Router(c on fig-if>#%LINEPROTO-5-UPDOWN: Line protocol on In terface FastEthernet1/0, cha nged state to upn o ip addressRouter(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface FastEther net0/0Router(c on fig-if># no shu

28、tdow n%LINK-5-CHANGED: In terface FastEthernet0/0, cha nged state to up Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface Serial3/0Router(c on fig-if>#%LINK-5-CHANGED: In terface Serial3/0, cha nged state to admi nistratively dow nshutdow n Router(c on fig-if>#R

29、outer(c on fig-if>#exitRouter(c on fig># in terface FastEther net0/0Router(c on fig-if>#shutdow n%LINK-5-CHANGED: In terface FastEthernet0/0, cha nged state to admi nistratively dow n Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface FastEther net1/0Router(c

30、on fig-if>#shutdow n%LINK-5-CHANGED: In terface FastEthernet1/0, cha nged state to admi nistratively dow n %LINEPROTO-5-UPDOWN: Line protocol on In terface FastEthernet1/0, chan ged state to dow n Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface FastEther net5/0Ro

31、uter(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface FastEther net4/0Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface Serial3/0Router(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface FastEther net0/0Router(c on fig

32、-if>#Router(c on fig-if>#exitRouter(c on fig># in terface FastEther net1/0Router(c on fig-if># no shutdow n%LINK-5-CHANGED: In terface FastEthernet1/0, cha nged state to up %LINEPROTO-5-UPDOWN: Line protocol on In terface FastEthernet1/0, changed state to up Router(c on fig-if>#Router

33、(c on fig-if>#exitRouter(c on fig># in terface Serial3/0Router(c on fig-if>#%LINK-5-CHANGED: In terface Serial3/0, cha nged state to upno shutdow nRouter(c on fig-if>#Router(c on fig-if>#exitRouter(c on fig># in terface FastEther net1/ORouter(c on fig-if>#Router(c on fig-if>#

34、exitRouter(c on fig># in terface Serial3/0Router(c on fig-if>#在C座楼中设置静态路由Router>e nableRouter#c on figure termi nalEn ter con figurati on comma nds, one per line. End with CNTL/Z.Router(co nfig>#ip route 192.168.5.0 255.255.255.0 172.18.0.1 Router(c on fig>#3. 设计结果与分析3.1设计结果采用寄信方式查看结果：PC0 PC5 PC2 PC6 PC3 PC8 发送成功PC0PC 5