原创：CCIE 之开放最短路径优先(OSPF)综合实验

QQ:409396869一.实验环境用gns3模拟本次实验环境,分别有r0r1r2r3r4r5r6r7r8r9。其中r0做帧中继交换机二.实验目的开放最短路径优先协议（OSPF）综合实验：三.实验拓扑四.frame-switch#showframe-relaylmiLMIStatisticsforinterfaceSerial1/0(FrameRelayDCELMITYPE=ANSIInvalidUnnumberedinfo0InvalidProtDisc0InvaliddummyCallRef0InvalidMsgType0InvalidStatusMessage0InvalidLockShift0InvalidInformationID0InvalidReportIELen0InvalidReportRequest0InvalidKeepIELen0NumStatusEnq.Rcvd90NumStatusmsgsSent90NumUpdateStatusSent0NumStEnq.Timeouts59LMIStatisticsforinterfaceSerial1/1(FrameRelayDCELMITYPE=ANSIInvalidUnnumberedinfo0InvalidProtDisc0InvaliddummyCallRef0InvalidMsgType0InvalidStatusMessage0InvalidLockShift0InvalidInformationID0InvalidReportIELen0InvalidReportRequest0InvalidKeepIELen0NumStatusEnq.Rcvd23NumStatusmsgsSent23NumUpdateStatusSent0NumStEnq.Timeouts94InvalidUnnumberedinfo0InvaliddummyCallRef0InvalidStatusMessage0InvalidInformationID0InvalidReportRequest0NumStatusEnq.Rcvd67NumUpdateStatusSent0InvalidProtDisc0InvalidMsgType0InvalidKeepIELen0NumStatusmsgsSent47NumStEnq.Timeouts50broadcast,CISCO,statusdefined,broadcast,CISCO,statusdefined,r3#2.偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验*如果也没有loopback地址那么就选择物理接口中ip地址高的作为router-id3OSPFAreaCommands*明文认证Areaarea-idauthentication*area-id0-4294967295或者-55*同时在物理接口上启用ipospfauthentication-keypassword*在区域0使用认证的虚电路：Areatransit-areavirtual-linkrouter-idauthenticationkeypassword偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869*MD5认证Areaarea-idauthenticationmessage-digest*在物理接口上启用ipospfmessage-digest-keykey-idmd5password*虚电路上areatransit-areavirtul-linkrouter-idmessage-diges-keykey-idmd5password4虚链路Areatransit-area-idvirtual-linkrouter-id所有非0区域必须具有到骨干区域的连接，虚链路用于修复被修复被分割的区域，但传送区域不能为stub区域。虚链路的规则：虚链路必须配置在两台abr路由器之间。样的区域又被称为传送区域。传送区域不能是一个末梢区域。5末梢区域Areaarea-idstub将区域配置为stub。配置为stubstub区域，域间路由可以通过但5Areaarea-idstubno-summary将区域配置为完全stub仅用在abr上。6OSPFreference-bandwidth默认情况下1.使用auto-costreference-bandwidthbandwidth(1-4296967改变参考值以区分1000m和10g的interfaceIpospfcost7Default-informationoriginate[always|metric|metric-type]ospf1metric，选择较佳缺：通过路由的类型Default-intformationoriginateroute-maproute-map-name有条件的产生默认路由，当且仅当外部网络存在时，才发布8SettingthedefaultmetricforredistributedprotocolsDefault-metriccost9AdministrativeDistanceDistanceadministrative-distance修改本地路由选择表中所有的ospf路由的管理距离，默认管理距离：CONNECTERD-0STATIC-1EBGP-20EIGRP-90IGRP-100OSPF-110IS-IS-115RIP-120IBGP-20010MultiplepathConfigurationMaximum-pathnumber-of-paths偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869默认是4跳路径的负载均衡，可以自行佘子华负载均和链路数目11OSPFneighborCommandsNeighborip-addressOSPF对待NBMA网络和其他热河广播网络一样，ospf认为这类网络具有广播特性，但必须使用neighbor命令建立一个邻居。在引入ipospfnetwork接口命令前，使用neighbor配置ospf邻居Neighborip-addresscostcost12OSPFnetworkCommandNetworkip-addresswild-card-maskareaarea-id用于通告和定义ospf的区域。13PassiveOSPFinterfacesPassive-interfaceinterface-nameinterface-number使用被动接口减少协议流量，由于ospf有，passive以后，邻居关系立即断开，而rip14RouteRedistributionRedistributeouting-processprocess-id【tag|metrc|metric-type|subnets|route-map】缺省情况下ospf15SummarizingExternalRoutersSummarizingip-address[advertise|not-advertise]的路由上。16Nssa区域Areaarea-idnssaNassaredistribution，被配置为nssa区域的asbr将产生7Areaarea-idnssano-summary17）外部路由*routerlsarouterlsa，这种lsa只能在本区域内传播，它描述了路由器所有的链路和接口、状态和开销。*networklsa在多路访问网络中，dr都会产生这种networklsa，它只在产生这条lsa的区域泛洪，描述了所有和他相连的路由器。*networksummarylsa有abr路由器始发，用于通告该区域外部的目的地址*ASBRsummarylsa由abr发出，asbr汇总lsa除了所通告的目的地是一个asbr而不是一个网络外，其它同networksummarylsa一样*ASExternallsa发自asbr路由器，用来通告到达ospf自主系统外部的目的地。这种lsa在as内泛洪*NSSAExternallsa来自非完全的stub区域内asbr路由器始发的lsa通告它只在nssa区域内泛洪，这是与lsa-type5（即as外部lsa）的区别。SupportsareatransitcapabilityRouterisnotoriginatingrouter-LSAswithmaximummetricInitialSPFscheduledelay5000msecsMinimumholdtimebetweentwoconsecutiveSPFs10000msecsMaximumwaittimebetweentwoconsecutiveSPFs10000msecsIncremental-SPFdisabledMinimumLSAinterval5secsr1#showipospfneighbor偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869NeighborIDPriStateDeadTimeAddressInterface0FULL/-00:00:34Serial1/0.21FULL/DR00:01:54Serial1/0.11FULL/BDR00:01:58Serial1/0.1r1#r3#showipospfneighborNeighborIDPriStateDeadTimeAddressInterface0FULL/--OSPF_VL11FULL/DROTHER00:01:57Serial1/01FULL/BDR00:01:54Serial1/01FULL/BDR00:00:36r3#r5#showiprouteD-EIGRPCCCO*IA/0[110/2]via,00:35:59,FastEthernet2/0[110/2]via,00:35:59,FastEthernet1/0[110/2]via,00:35:59,FastEthernet0/1[110/2]via,00:35:59,FastEthernet0/0r5#r9#showiprouteCodes:C-connected,S-static,R-RIP,M-mobile,B-BGPD-EIGRP,EX-EIGRPexternal,O-OSPF,IA-OSPFinterareaN1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2E1-OSPFexternaltype1,E2-OSPFexternaltype2i-IS-IS,su-IS-ISsummary,L1-IS-ISlevel-1,L2-IS-ISlevel-2ia-IS-ISinterarea,*-candidatedefault,U-per-userstaticrouteo-ODR,P-periodicdownloadedstaticroute偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869GatewayoflastresortisnotsetOIA/24[110/67]via,00:00:35,FastEthernet0/0OE2/24[110/20]via,00:00:30,FastEthernet0/0OIA/24[110/67]via,00:00:35,FastEthernet0/0OIA/24[110/67]via,00:00:35,FastEthernet0/0/24issubnetted,1subnetsOIA[110/2]via,00:01:00,FastEthernet0/0OIA/24[110/131]via,00:00:35,FastEthernet0/0OIA/24[110/68]via,00:00:35,FastEthernet0/0CCr9#r9#r8#showiprouteDEX/24[170/284160]via,00:32:48,FastEthernet0/0C/24isdirectlyconnected,FastEthernet0/0DEX/24[170/284160]via,00:32:48,FastEthernet0/0DEX/24[170/284160]via,00:32:48,FastEthernet0/0/24issubnetted,1subnetsDEX[170/284160]via,00:32:48,FastEthernet0/0DEX/24[170/284160]via,00:32:48,FastEthernet0/0DEX/24[170/284160]via,00:32:48,FastEthernet0/0偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869DEX/24[170/284160]via,00:32:48,FastEthernet0/0DEX/24[170/284160]via,00:32:48,FastEthernet0/0DEX/24[170/284160]via,00:32:48,FastEthernet0/0DEX/24[170/284160]via,00:32:48,FastEthernet0/0DEX/24[170/284160]via,00:05:49,FastEthernet0/0DEX/24[170/284160]via,00:32:53,FastEthernet0/0DEX/24[170/284160]via,00:32:53,FastEthernet0/0C/24isdirectlyconnected,Loopback0DEX/24[170/284160]via,00:32:53,FastEthernet0/0DEX/24[170/284160]via,00:32:53,FastEthernet0/0r8#五.各设备详细配置frame-switch#showrunning-configBuildingconfiguration...Currentconfiguration:1633bytes!version12.4!!!!memory-sizeiomem5!!ipcef!!frame-relayswitching!!偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869!!!!!!!!!!!!!!interfaceFastEthernet0/0noipaddressshutdownduplexautospeedauto!noipaddressshutdownduplexautospeedauto!frame-relayroute113interfaceSerial1/3311frame-relayroute114interfaceSerial1/1411!interfaceSerial1/1noipaddressencapsulationframe-relayserialrestart-delay0clockrate128000frame-relaylmi-typeansi偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869frame-relayintf-typedceframe-relayroute411interfaceSerial1/0114!interfaceSerial1/2noipaddressencapsulationframe-relayserialrestart-delay0clockrate128000frame-relaylmi-typeansiframe-relayintf-typedceframe-relayroute23interfaceSerial1/332frame-relayroute211interfaceSerial1/0112!interfaceSerial1/3noipaddressencapsulationframe-relayserialrestart-delay0clockrate128000frame-relaylmi-typeansiframe-relayintf-typedce!iphttpserver!!!!!!!!!!!linecon0passwordxunshiloginlineaux0偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869linevty04passwordxunshilogin!!endframe-switch#r1#showrunning-configBuildingconfiguration...Currentconfiguration:1435bytes!version12.4servicetimestampsdebugdatetimemsecservicetimestampslogdatetimemsecnoservicepassword-encryption!hostnamer1!boot-start-markerboot-end-marker!!noaaanew-model!!!!!!!!!!!!偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869!!!!!!!interfaceLoopback0ipaddressipospfnetworkpoint-to-point!interfaceFastEthernet0/0noipaddressshutdownduplexautospeedauto!interfaceFastEthernet0/1noipaddressshutdownduplexautospeedauto!interfaceSerial1/0noipaddress!interfaceSerial1/0.2point-to-pointipaddressframe-relayinterface-dlci114!interfaceSerial1/1noipaddressshutdownserialrestart-delay0!偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869interfaceSerial1/2noipaddressshutdownserialrestart-delay0!interfaceSerial1/3noipaddressshutdownserialrestart-delay0!routerospf1log-adjacency-changesnetwork55area0network55area0network55area0neighborneighbor!iphttpserver!!!!!!control-plane!!!!linecon0lineaux0linevty04!!endr1#偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869r2#showrunBuildingconfiguration...Currentconfiguration:1676bytes!version12.4servicetimestampsdebugdatetimemsecservicetimestampslogdatetimemsecnoservicepassword-encryption!hostnamer2!boot-start-markerboot-end-marker!!noaaanew-model!resourcepolicy!memory-sizeiomem5!!ipcef!!!!!!!!!!!!!!interfaceLoopback0偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869ipaddressipospfnetworkpoint-to-point!interfaceFastEthernet0/0ipaddressduplexautospeedauto!interfaceFastEthernet0/1ipaddressduplexautospeedauto!interfaceSerial1/0noipaddressencapsulationframe-relayserialrestart-delay0frame-relaylmi-typeansi!interfaceSerial1/0.2multipoint!interfaceSerial1/1noipaddress!interfaceSerial1/3noipaddressshutdownserialrestart-delay0!interfaceFastEthernet2/0ipaddressduplexautospeedauto偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869!interfaceFastEthernet3/0ipaddressduplexautospeedauto!routerospf1log-adjacency-changesarea5stubno-summarynetwork55area0network55area0network55area5network55area5network55area5network55area5neighborneighbor!iphttpserver!!!!!!control-plane!!!!linecon0lineaux0linevty04!!endr2#r3#showrunning-config偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869Buildingconfiguration...Currentconfiguration:1383bytes!version12.4servicetimestampsdebugdatetimemsecservicetimestampslogdatetimemsecnoservicepassword-encryption!hostnamer3!boot-start-markerboot-end-marker!!noaaanew-model!resourcepolicy!memory-sizeiomem5!!ipcef!!!!!!!!!!!!!!interfaceLoopback0ipaddress偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869ipospfnetworkpoint-to-point!interfaceFastEthernet0/0ipaddressipospfauthentication-keyxunshiduplexautospeedauto!interfaceFastEthernet0/1noipaddressshutdownduplexautospeedauto!interfaceSerial1/0ipaddressencapsulationframe-relayserialrestart-delay0!noipaddressshutdownserialrestart-delay0!!shutdownserialrestart-delay0!routerospf1log-adjacency-changesarea20authenticationarea20virtual-linknetwork55area20network55area0偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869network55area0neighborneighbor!iphttpserver!!!!!!control-plane!!!!!!!!linecon0lineaux0linevty04!!end!version12.4servicetimestampsdebugdatetimemsecservicetimestampslogdatetimemsecnoservicepassword-encryption!hostnamer4!boot-start-markerboot-end-marker!偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869!noaaanew-model!resourcepolicy!memory-sizeiomem5!!ipcef!!!!!!!!!!!!!!!!!!speedauto!interfaceFastEthernet0/1noipaddressshutdownduplexautospeedauto!interfaceSerial1/0偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869noipaddressencapsulationframe-relayserialrestart-delay0frame-relaylmi-typeansi!interfaceSerial1/0.1point-to-pointipaddressframe-relayinterface-dlci411!interfaceSerial1/1noipaddressshutdownserialrestart-delay0!interfaceSerial1/2noipaddressshutdownserialrestart-delay0!interfaceSerial1/3noipaddressshutdown!routerospf1!!!!!!control-plane!!!!偶是平凡!!!!linecon0lineaux0linevty04!!endr4#原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869r5#showrunning-configBuildingconfiguration...Currentconfiguration:1091bytes!version12.4servicetimestampslogdatetimemsec!hostnamer5!boot-start-markerboot-end-marker!!!!ipcef!!!!!!!偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869!!!!!!!!!!!interfaceLoopback0ipaddressipospfnetworkpoint-to-point!interfaceFastEthernet0/0duplexautospeedauto!duplexautospeedauto!!routerospf1log-adjacency-changesarea5stubnetwork55area5network55area5network55area5network55area5network55area5偶是平凡!iphttpserver!!!!!!control-plane!!!!!!!!linecon0lineaux0linevty04!!endr5#原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869r6#showrun!hostnamer6!boot-start-markerboot-end-marker!!noaaanew-model!偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869resourcepolicy!memory-sizeiomem5!!ipcef!!!!!!!!!!!!!!!!!!interfaceLoopback0!interfaceFastEthernet0/1ipaddressduplexautospeedauto!routerospf1log-adjacency-changesarea20authenticationarea20virtual-link偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869network55area20network55area33network55area20!iphttpserver!!!!!!control-plane!!!!!!!!linecon0lineaux0linevty04!!end!version12.4servicetimestampsdebugdatetimemsecservicetimestampslogdatetimemsecnoservicepassword-encryption!hostnamer7!boot-start-markerboot-end-marker!偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869!noaaanew-model!resourcepolicy!memory-sizeiomem5!!ipcef!!!!!!!!!!!!!!!!!!speedauto!interfaceFastEthernet0/1ipaddressduplexautospeedauto!routereigrp100redistributeospf1metric1000000100025511500偶是平凡原创：CCIE之开放最短路径优先（OSPF）综合实验QQ:409396869networkauto-summary!routerospf1log-adjacency-changesarea55nssaredistributeeigrp100metric20network55area55network55area55!iphttpserver!!!!!!control-plane!!!!!!!!r7r8#showrunning-configBuildingco