子網(wǎng)劃分路由配置步驟

子網(wǎng)劃分路由配置步驟在本實驗中，為您指定了一個網(wǎng)絡(luò)地址，您將對它劃分子網(wǎng)，并為拓?fù)鋱D中顯示的網(wǎng)絡(luò)分配IP地址。路由器全部使用2621XM，交換機(jī)全部使用2960。該網(wǎng)絡(luò)的編址需求如下：?BRANCH1的LAN1子網(wǎng)需要10個主機(jī)IP地址。?BRANCH1的LAN2子網(wǎng)需要10個主機(jī)IP地址。?BRANCH2的LAN1子網(wǎng)需要10個主機(jī)IP地址。?BRANCH2的LAN2子網(wǎng)需要10個主機(jī)IP地址。?HQ的LAN子網(wǎng)需要20個主機(jī)IP地址。?從HQ到BRANCH1的鏈路的兩端各需要一個IP地址。?從HQ到BRANCH2的鏈路的兩端各需要一個IP地址?！沧⒁猓赫堄涀?，網(wǎng)絡(luò)設(shè)備的接口也是主機(jī)IP地址，已包括在上面的編址需求中?！矲a0/0Fa0/1LAN1LAN2LAN2LAN1Fa0/0Fa0/1LAN1LAN2LAN2LAN11.設(shè)計子網(wǎng)子網(wǎng)編號說明子網(wǎng)地址子網(wǎng)掩碼第一個可用地址最后一個可用地址1HQ的LAN其它自行填寫2BRANCH1的LAN13BRANCH1的LAN24BRANCH2的LAN15BRANCH2的LAN2406HQ到BRANCH17HQ到BRANCH22.分配IP地址〔網(wǎng)關(guān)地址使用子網(wǎng)的第一個可用地址〕設(shè)備接口IP地址子網(wǎng)掩碼默認(rèn)網(wǎng)關(guān)HQFa0/1不適用S0/030不適用S0/14不適用BRANCH1Fa0/0不適用Fa0/1不適用S0/029不適用BRANCH2Fa0/0不適用Fa0/140不適用S0/13不適用PC1網(wǎng)卡192.1PC2網(wǎng)卡PC3網(wǎng)卡PC4網(wǎng)卡40PC5網(wǎng)卡3.連接網(wǎng)絡(luò)〔路由器之間使用DCE電纜連接到串行口〕4.配置每臺計算機(jī)的IP地址。5.配置路由器每個端口的IP地址6.設(shè)置路由器中的路由表。路由表設(shè)置要求網(wǎng)絡(luò)中每個子網(wǎng)之間都可以連通，不考慮總結(jié)路由?！綛RANCH1的配置】下面是配置BRANCH1的IP地址的過程，其它兩個路由器的配置自行完成〔1〕關(guān)閉路由器電源〔2〕安裝模塊WIT-2T。〔3〕進(jìn)入CLI〔4〕進(jìn)行以下操作〔藍(lán)色文字是需要輸入的命令，紅色文字是說明〕Continuewithconfigurationdialog?[yes/no]:nPressRETURNtogetstarted!進(jìn)入控制臺模式Router>en進(jìn)入全局配置模式Router#conftEnterconfigurationcommands,oneperline.EndwithCNTL/Z.修改路由器名稱Router(config)#hostnameBRANCH1配置Fa0/0的IP地址BRANCH1(config)#intf0/0BRANCH1(config-if)#BRANCH1(config-if)#noshutdown%LINK-5-CHANGED:InterfaceFastEthernet0/0,changedstatetoup%LINEPROTO-5-UPDOWN:LineprotocolonInterfaceFastEthernet0/0,changedstatetoup配置Fa0/1的IP地址BRANCH1(config-if)#intf0/1BRANCH1(config-if)#BRANCH1(config-if)#noshutdown%LINK-5-CHANGED:InterfaceFastEthernet0/1,changedstatetoup%LINEPROTO-5-UPDOWN:LineprotocolonInterfaceFastEthernet0/1,changedstatetoup配置S0/0的IP地址。因為BRANCH1是BRANCH1和HQ之間串行通信的DCE設(shè)備，所以需要配置時鐘頻率。BRANCH1(config-if)#ints0/0BRANCH1(config-if)#BRANCH1(config-if)#noshutdown%LINK-5-CHANGED:InterfaceSerial0/0,changedstatetoupBRANCH1(config-if)#clockrate64000%LINEPROTO-5-UPDOWN:LineprotocolonInterfaceSerial0/0,changedstatetoup返回到控制臺模式。Exit命令返回到上一層，使用Ctrl+Z可以直接返回控制臺。BRANCH1(config-if)#exitBRANCH1(config)#exit%SYS-5-CONFIG_I:Configuredfromconsolebyconsole查看IP地址配置情況。BRANCH1#showipintbriInterfaceIP-AddressOK?MethodStatusProtocolFastEthernet0/0192.168.9.33YESmanualupupFastEthernet0/1192.168.9.49YESmanualupupSerial0/0192.168.9.129YESmanualupupSerial0/1unassignedYESmanualadministrativelydowndown按此方法配置其它兩個路由器，此時可以測試各個子網(wǎng)和網(wǎng)關(guān)的連通情況?！?〕添加路由表。這里沒有使用路由總結(jié)。BRANCH1#conftEnterconfigurationcommands,oneperline.EndwithCNTL/Z.BRANCH1(config)#iproute192.168.9.32255.255.255.240f0/0BRANCH1(config)#iproute192.168.9.48255.255.255.240f0/1BRANCH1(config)#24BRANCH1(config)#BRANCH1(config)#40返回控制臺BRANCH1(config)#^Z%SYS-5-CONFIG_I:Configuredfromconsolebyconsole查看路由表BRANCH1#showiprouteCodes:C-connected,S-static,I-IGRP,R-RIP,M-mobile,B-BGPD-EIGRP,EX-EIGRPexternal,O-OSPF,IA-OSPFinterareaN1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2E1-OSPFexternaltype1,E2-OSPFexternaltype2,E-EGPi-IS-IS,L1-IS-ISlevel-1,L2-IS-ISlevel-2,ia-IS-ISinterarea*-candidatedefault,U-per-userstaticroute,o-ODRP-periodicdownloadedstaticrouteGatewayoflastresortisnotset192.168.9.0/24isvariablysubnetted,6subnets,3masksC192.168.9.32/28isdirectlyconnected,FastEthernet0/0ected,FastEthernet0/1C192.168.9.128/30isdirectlyconnected,Serial0/0【HQ的配置】〔1〕關(guān)閉路由器電源〔2〕安裝模塊WIT-2T?！?〕進(jìn)入CLI〔4〕進(jìn)行以下操作〔紅色文字是說明〕Continuewithconfigurationdialog?[yes/no]:nPressRETURNtogetstarted!Router>enRouter#conftEnterconfigurationcommands,oneperline.EndwithCNTL/Z.Router(config)#hostnameHQHQ(config)#intf0/1HQ(config-if)#noshutdown%LINK-5-CHANGED:InterfaceFastEthernet0/1,changedstatetoup%LINEPROTO-5-UPDOWN:LineprotocolonInterfaceFastEthernet0/1,changedstatetoupHQ(config-if)#ints0/0HQ(config-if)#noshutdown配置IP地址%LINK-5-CHANGED:InterfaceSerial0/0,changedstatetoupHQ(config-if)#%LINEPROTO-5-UPDOWN:LineprotocolonInterfaceSerial0/0,changedstatetoupHQ(config-if)#ints0/1HQ(config-if)#noshutdown配置DCE設(shè)備的時鐘頻率。HQ是HQ和BRANCH2之間的DCE設(shè)備。%LINK-5-CHANGED:InterfaceSerial0/1,changedstatetoupHQ(config-if)#clockrate64000HQ(config-if)#%LINEPROTO-5-UPDOWN:LineprotocolonInterfaceSerial0/1,changedstatetoupHQ(config-if)#^Z%SYS-5-CONFIG_I:Configuredfromconsolebyconsole查看IP地址配置情況HQ#showipintbriInterfaceIP-AddressOK?MethodStatusProtocolFastEthernet0/0unassignedYESmanualadministrativelydowndownFastEthernet0/1192.168.9.1YESmanualupupSerial0/0192.168.9.130YESmanualupupSerial0/1192.168.9.134YESmanualupup添加路由表。這里使用了路由總結(jié)〔請自行計算是如何總結(jié)的！〕，路由表從5條減少到3條。HQ#conftEnterconfigurationcommands,oneperline.EndwithCNTL/Z.HQ(config)#iproute192.168.9.0255.255.255.224f0/1HQ(config)#iproute192.168.9.64255.255.255.224HQ(config)#^Z%SYS-5-CONFIG_I:ConfiguredfromconsolebyconsoleHQ#showiprouteCodes:C-connected,S-static,I-IGRP,R-RIP,M-mobile,B-BGPD-EIGRP,EX-EIGRPexternal,O-OSPF,IA-OSPFinterareaN1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2E1-OSPFexternaltype1,E2-OSPFexternaltype2,E-EGPi-IS-IS,L1-IS-ISlevel-1,L2-IS-ISlevel-2,ia-IS-ISinterarea*-candidatedefault,U-per-userstaticroute,o-ODRP-periodicdownloadedstaticrouteGatewayoflastresortisnotset192.168.9.0/24isvariablysubnetted,5subnets,3masksC192.168.9.0/27isdirectlyconnected,FastEthernet0/17C192.168.9.128/30isdirectlyconnected,Serial0/0C192.168.9.132/30isdirectlyconnected,Serial0/1HQ#【BRANCH2的配置】〔1〕關(guān)閉路由器電源〔2〕安裝模塊WIT-2T?！?〕進(jìn)入CLI〔4〕進(jìn)行以下操作〔紅色文字是說明〕Continuewithconfigurationdialog?[yes/no]:nPressRETURNtogetstarted!Router>enRouter#conftEnterconfigurationcommands,oneperline.EndwithCNTL/Z.Router(config)#hostnameBRANCH2配置每個端口的IP地址BRANCH2(config)#intf0/0BRANCH2(config-if)#noshutdown%LINK-5-CHANGED:InterfaceFastEthernet0/0,changedstatetoup%LINEPROTO-5-UPDOWN:LineprotocolonInterfaceFastEthernet0/0,changedstatetoupBRANCH2(config-if)#intf0/1BRANCH2(config-if)#noshutdown%LINK-5-CHANGED:InterfaceFastEthernet0/1,changedstatetoup%LINEPROTO-5-UPDOWN:LineprotocolonInterfaceFastEthernet0/1,changedstatetoupBRANCH2(config-if)#ints0/1BRANCH2(config-if)#noshutdown%LINK-5-CHANGED:InterfaceSerial0/1,changedstatetoupBRANCH2(config-if)#%LINEPROTO-5-UPDOWN:LineprotocolonInterfaceSerial0/1,changedstatetoupBRANCH2(config-if)#^Z%SYS-5-CONFIG_I:ConfiguredfromconsolebyconsoleBRANCH2#showipintbriInterfaceIP-AddressOK?MethodStatusProtocolFastEthernet0/0192.168.9.65YESmanualupupFastEthernet0/1192.168.9.81YESmanualupupSerial0/0unassignedYESmanualadministrativelydowndownSerial0/1192.168.9.133YESmanualupup添加路由表BRANCH2#conftEnterconfigurationcommands,oneperline.EndwithCNTL/Z.BRANCH2(config)#iproute192.168.9.64255.255.255.240f0/0BRANCH2(config)#iproute192.168.9.80255.255.255.240