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CCIELABK1IGP拓扑串口连接图BGP所有设备LOOPBACK0地址为YYXX/32,分别为R1YYYY11/32R2YYYY22/32R3YYYY33/32R4YYYY44/32R5YYYY55/32SW1YYYY77/32SW2YYYY88/32SW3YYYY99/32SW4YYYY1010/32BACKBONE地址分别为BB11501YY254/24BB21502YY254/24BB31503YY254/241SECTIONLAYER211PRECONFIGURATIONERRORSVTPDOMAINNAMEMISMATCHBETWEENCCIEROUTINGANDSWITCHINGYYANDCCIEROUTINGANDSWITCHINGYYVTPPASSWORDMISMATCHBETWEENCISCOANDCISCO0SWITCH3FASTETHERNET0/24INTERFACEINTHEACCESSMODEWHICHSHOULDBEINVTPTRUNKMODESWITCH2FASTETHERNET0/10INTERFACEBACKUPINTERFACEFASTETHERNET0/4,JUSTUSECOMMANDNOSWITCHPORTBACKUPINTERFACEFASTETHERNET0/4REMOVEITR5INTERFACESERIAL0/0/0ANDINTERFACESERIAL0/0/1USENOPEERNEIGHBORROUTERANDSODOR1INTERFACESERIAL0/0/1ANDR3INTERFACESERIAL0/0/0翻译预TR具体看考试需求1VTP域名不匹配,注意大小写2VTP密码不匹配,注意大小写3SWITCH3F0/24的SWITCHPORT应该为TRUNK模式4SWITCH2上FASTETHERNET0/4是FASTETHERNET0/10的备份接口,在SWITCH2的F0/10上使用NOSWITCHPORTBACKUPINTERFACEFASTETHERNET0/45R5S0/0/0S0/0/1,R1S0/0/1,R3S0/0/0都是用PPP封装,路由器会学到对端32位的直连路由,使用NOPEERNEIGHBORROUTE命令12IMPLEMENTTHEACCESSSWITCHPORTSOFTHENETWORKASFOLLOWINGTABLESVLANNUMBERVLANNAMEPORTSVLAN15VLAN_BB1SW1F0/5,SW1F0/10VLAN2VLAN_BB2SW2F0/10VLAN3VLAN_BB3SW1F0/3,SW3F0/10VLAN11VLAN_ASW2F0/1VLAN13VLAN_BSW2F0/3VLAN22VLAN_CR2F0/1ZVLAN24VLAN_HR2F0/1Z,SW2F0/4VLAN44VLAN_FSW1F0/4VLAN45VLAN_GSW2F0/5COMMENTS1新增需求具体哪台交换机为根看需求CONFIGUREALLOFTHEAPPROPRIATENONTRUNKINGACCESSSWITCHPORTSONSW1,SW2,SW3,ACCORDINGTOTHEFOLLOWINGREQUIREMENTSSW1SHOULDBETHEROOTFORALLVLANSANDFORANYNEWVLANBBDEVICESMUSTNOTBEINTHEPATHTOTHEROOTBRIDGECONFIGURETHEVLANSFORTHEACCESSSWITCHPORTSSHOWASTHEVLANTABLES,INCLUDETHEPORTSTOBB1,BB2ANDBB3CONFIGURETRUNKBETWEENSW2F0/2ANDR2G0/1MAKESURETHATTHESPANNINGTREEENTERSTHEFORWARDINGSTATEIMMEDIATELYONLYFORTHESEACCESSSWITCHPORTS,BYPASSINGTHELISTENINGANDLEARNINGSTATESAVOIDTRANSMITTINGBRIDGEPROTOCOLDATEUNITSBPDUSONTHESEACCESSSWITCHPORTSIFABPDUISRECEIVEDONANYOFTHESEPORTS,THEPORTSSHOULDTRANSITIONBACKTOTHELISTENING,LEARNINGANDFORWARDSTATESADDANYSPECIALLAYER2COMMANDSTHATAREREQUIREDONTHEROUTERSINCLUDINGTRUNKCONFIGURATION翻译1SW1为所有VLAN的根2BB不能在交换机去往根的路径中3将交换机的端口划分到相应的VLAN中,包括连接到BB1,BB2,BB3的端口4SW2的F0/2和R2的G0/1配置成TRUNKR2的G0/1和SW2的F0/2之间创建单臂路由,使得R2的G0/1能同时连接VLAN_22和VLAN_245交换机ACCESS端口进行生成树的时候跳过监听、学习状态马上进入转发状态PORTFAST特性6在ACCESS端口上不进行BPDU的转发,如果ACCESS端口收到BPDU,端口进入STP的正常选举全局开启BPDU过滤特性7根据要求使用二层的命令配置TRUNKSW1模拟器VLANDATABASE下输入相关命令模拟器SW914配置为TRUNKVTPMODESERVERVTPDOMAINCCIEROUTINGANDSWITCHINGVTPPASSWORKCISCOVLAN2NAMEVLAN_BB2VLAN3NAMEVLAN_BB3VLAN11NAMEVLAN_AVLAN13NAMEVLAN_BVLAN15COMMENTS2新增需求把所有VLAN的优先级设为0,确保SW1为根具体哪台设备看考试需求如果题意明确说明不能调优先级,则使用SW1CONFIGSPANNINGTREEVLAN14904ROOTPRIMARYCOMMENTS3防止BB设备抢根NAMEVLAN_BB1VLAN22NAMEVLAN_CVLAN24NAMEVLAN_HVLAN44NAMEVLAN_FVLAN45NAMEVLAN_GEXISW2/SW3/SW4VTPMODECLIENTVTPDOMAINCCIEROUTINGANDSWITCHINGVTPPASSWORDCISCO注意看所有交换机是不是都学到了所有的VLANSHOWVLANBRIEF解法SW1上划分VLANSW1(CONFIG)SPANNINGTREEVLAN14094PRIORITY0SW1(CONFIG)INTERFACEFASTETHERNET0/3SW1(CONFIGIF)SWITCHPORTMODEACCESSSW1(CONFIGIF)SWITCHPORTACCESSVLAN3SW1(CONFIG)INTERFACEFASTETHERNET0/4SW1(CONFIGIF)SWITCHPORTMODEACCESSSW1(CONFIGIF)SWITCHPORTACCESSVLAN44SW1(CONFIG)INTERFACEFASTETHERNET0/5SW1(CONFIGIF)SWITCHPORTMODEACCESSSW1(CONFIGIF)SWITCHPORTACCESSVLAN15SW1(CONFIG)INTERFACEFASTETHERNET0/10SW1(CONFIGIF)SWITCHPORTMODEACCESSSW1(CONFIGIF)SWITCHPORTACCESSVLAN15SW1(CONFIGIF)SPANNINGTREEGUARDROOT注意做完以后(在起了交换机的TRUNK的情况下),要在所有的交换机上SHOWSPANNINGTREE看是不是SW1是根COMMENTS4防止BB设备抢根COMMENTS5配合单臂路由的配置SW1上配置SVI接口SW1(CONFIG)INTERFACEVLAN11SW1(CONFIGIF)IPADDRESSYYYY15162255255255224SW1(CONFIG)INTERFACEVLAN13SW1(CONFIGIF)IPADDRESSYYYY15194255255255224SW2上划分VLANSW2(CONFIG)INTERFACEFASTETHERNET0/1SW2(CONFIGIF)SWITCHPORTMODEACCESSSW2(CONFIGIF)SWITCHPORTACCESSVLAN11SW2(CONFIG)INTERFACEFASTETHERNET0/3SW2(CONFIGIF)SWITCHPORTMODEACCESSSW2(CONFIGIF)SWITCHPORTACCESSVLAN13SW2(CONFIG)INTERFACEFASTETHERNET0/4SW2(CONFIGIF)SWITCHPORTMODEACCESSSW2(CONFIGIF)SWITCHPORTACCESSVLAN24SW2(CONFIG)INTERFACEFASTETHERNET0/5SW2(CONFIGIF)SWITCHPORTMODEACCESSSW2(CONFIGIF)SWITCHPORTACCESSVLAN45SW2(CONFIG)INTERFACEFASTETHERNET0/10SW2(CONFIGIF)SWITCHPORTMODEACCESSSW2(CONFIGIF)SWITCHPORTACCESSVLAN2SW2(CONFIGIF)SPANNINGTREEGUARDROOTSW2F0/2接R2的接口做TRUNK并允许转发指定VLAN的配置SW2(CONFIG)INTERFACEFASTETHERNET0/2SW2(CONFIGIF)SWITCHPORTTRUNKENCAPSULATIONDOT1QSW2(CONFIGIF)SWITCHPORTMODETRUNKSW2(CONFIGIF)SWITCHPORTNONEGOTIATESW2(CONFIGIF)SWITCHPORTTRUNKALLOWEDVLAN22,24SW2配置SVI接口SW2(CONFIG)INTERFACEVLAN22SW2(CONFIGIF)IPADDRESSYYYY15130255255255224SW2(CONFIG)INTERFACEVLAN2SW2(CONFIGIF)IPADDRESS1502YY12552552550COMMENTS6防止BB设备抢根COMMENTS7需求5和6注意,一定不要用BPDUGUARD否则BB3的接口会被阻塞掉根据需求,如果是需求要求是收到BPDU包就SHUTDOWN,防止BB3是交换机,就必须在SW3的F/10打BPDUFILTERCOMMENTS8新增需求这一部分,需求发生变化,允许通过的VLAN不再是3,11,13,44,45,而是要求拓扑中所有VLAN,如果有TAGGEDFORMATVLAN1的关键字,就打上VLANDOT1QTAGNATIVESW3上划分VLANSW3(CONFIG)INTERFACEFASTETHERNET0/10SW3(CONFIGIF)SWITCHPORTMODEACCESSSW3(CONFIGIF)SWITCHPORTACCESSVLAN3SW3(CONFIGIF)SPANNINGTREEGUARDROOTSW4上配置SVI接口SW4(CONFIG)INTERFACEVLAN44SW4(CONFIGIF)IPADDRESSYYYY1566255255255224SW4(CONFIG)INTERFACEVLAN45SW4(CONFIGIF)IPADDRESSYYYY1598255255255224SW1上配置ACCESS端口的PORTFAST特性和BPDU过滤SW1(CONFIG)SPANNINGTREEPORTFASTDEFAULTSW1(CONFIG)SPANNINGTREEPORTFASTBPDUFILTERDEFAULTSW2上配置ACCESS端口的PORTFAST特性和BPDU过滤SW2(CONFIG)SPANNINGTREEPORTFASTDEFAULTSW2(CONFIG)SPANNINGTREEPORTFASTBPDUFILTERDEFAULTSW3上配置ACCESS端口的PORTFAST特性和BPDU过滤SW3(CONFIG)SPANNINGTREEPORTFASTDEFAULTSW3(CONFIG)SPANNINGTREEPORTFASTBPDUFILTERDEFAULTSW4上配置ACCESS端口的PORTFAST特性和BPDU过滤SW4(CONFIG)SPANNINGTREEPORTFASTDEFAULTSW4(CONFIG)SPANNINGTREEPORTFASTBPDUFILTERDEFAULT13TRUNKINGMANIPULATIONSCONFIGURETHETRUNKPORTSBETWEENSW1,SW2,SW3ANDSW4ACCORDINGTOTHEFOLLOWINGREQUIREMENTSDISABLEDTPONTHESIXDISTRIBUTIONPORTSFOREACHSWITCHSETTHELISTOFALLOWEDVLANSTHATCANRECEIVEANDSENDTRAFFICONTHESEINTERFACESINTAGGEDFORMATINPARTICULAR,ONLYALLOWVLAN3,11,13,44,45COMMENT木木木木9DISABLEDTP的需求COMMENT木木木木10具体看需求上是哪些VLAN翻译1TRUNK链路的端口禁止发送DTP帧NONEGOTIATE2TRUNK链路只允许VLAN3,11,13,44,45的流量SWITCHPORTTRUNKALLOWEDVLAN3,11,13,44,45解法SW1(CONFIG)INTERFACERANGEFASTETHERNET0/1924SW1(CONFIGIFRANGE)SWITCHPORTTRUNKENCAPSULATIONDOT1QSW1(CONFIGIFRANGE)SWITCHPORTMODETRUNKSW1(CONFIGIFRANGE)SWITCHPORTNONEGOTIATESW1(CONFIGIFRANGE)SWITCHPORTTRUNKALLOWEDVLAN2,3,11,13,15,22,24,44,45SW2(CONFIG)INTERFACERANGEFASTETHERNET0/1924SW2(CONFIGIFRANGE)SWITCHPORTTRUNKENCAPSULATIONDOT1QSW2(CONFIGIFRANGE)SWITCHPORTMODETRUNKSW2(CONFIGIFRANGE)SWITCHPORTNONEGOTIATESW2(CONFIGIFRANGE)SWITCHPORTTRUNKALLOWEDVLAN2,3,11,13,15,22,24,44,45SW3(CONFIG)INTERFACERANGEFASTETHERNET0/1924SW3(CONFIGIFRANGE)SWITCHPORTTRUNKENCAPSULATIONDOT1QSW3(CONFIGIFRANGE)SWITCHPORTMODETRUNKSW3(CONFIGIFRANGE)SWITCHPORTNONEGOTIATESW3(CONFIGIFRANGE)SWITCHPORTTRUNKALLOWEDVLAN2,3,11,13,15,22,24,44,45SW4(CONFIG)INTERFACERANGEFASTETHERNET0/1924SW4(CONFIGIFRANGE)SWITCHPORTTRUNKENCAPSULATIONDOT1QSW4(CONFIGIFRANGE)SWITCHPORTMODETRUNKSW4(CONFIGIFRANGE)SWITCHPORTNONEGOTIATESW4(CONFIGIFRANGE)SWITCHPORTTRUNKALLOWEDVLAN2,3,11,13,15,22,24,44,4514IMPLEMENTFRAMERELAYUSETHEFOLLOWINGREQUIREMENTSTOCONFIGURER1ANDR2FORFRAMERELAYANDR4ASTHEFRAMERELAYSWITCHUSEANSILMIONFRAMERELAYSWITCHANDAUTOSESINGONR1ANDR2DONTUSEANYSTATICFRAMERELAYMAPSORINVERSEADDRESSRESOLUTIONSPROTOCOLUSERFC1490/RFC2427IETFENCAPSULATIONUSETHEDATALINKCONNECTIONIDENTIFERDLCIASSIGNMENTSFROMTHETABLEBELOWFRAMERELAYDLCIASSIGNMENTCOMMENT木木木木11如果R1和R2上的预配有CLOCKRATE这个地方就不需要COMMENT木木木木12如果R1和R2上的预配有CLOCKRATE这个地方就不需要COMMENT木木木木13可以不敲ROUTERDLCIASSIGNMENTR1FRAMERELAYINTERFACE100R2FRAMERELAYINTERFACE200翻译配置R1和R2之间为帧中继链路,R4配置成帧中继交换机1FR的LMI类型为ANSI,R1和R2自动感知2不能使用静态映射或动态映射协议使用点到点子接口,从而映射使用INTERFACEDLCI命令3使用IETF标准的帧中继封装4DLCI号如上图解法第一步R4模拟成帧中继交换机配置R4(CONFIG)FRAMESWITCHINGR4(CONFIG)INTERFACESERIAL0/0/0R4(CONFIGIF)ENCAPSULATIONFRAMERELAYIETFR4(CONFIGIF)FRAMERELAYINTFTYPEDCER4(CONFIGIF)CLOCKRATE64000R4(CONFIGIF)FRAMERELAYLMITYPEANSIR4(CONFIGIF)FRAMERELAYROUTE100INTERFACESERIAL0/0/1200R4(CONFIGIF)NOSHUTDOWNR4(CONFIG)INTERFACESERIAL0/0/1R4(CONFIGIF)ENCAPSULATIONFRAMERELAYIETFR4(CONFIGIF)FRAMERELAYINTFTYPEDCER4(CONFIGIF)CLOCKRATE64000R4(CONFIGIF)FRAMERELAYLMITYPEANSIR4(CONFIGIF)FRAMERELAYROUTE200INTERFACESERIAL0/0/0100R4(CONFIGIF)NOSHUTDOWN第二步R1帧中继链路配置R1(CONFIG)INTERFACESERIAL0/0/0R1(CONFIGIF)ENCAPSULATIONFRAMERELAYIETFR1(CONFIGIF)NOFRAMERELAYINVERSEARPR1(CONFIGIF)NOARPFRAMERELAYR1(CONFIGIF)NOSHUTDOWNR1(CONFIG)INTERFACESERIAL0/0/0100POINTTOPOINTR1(CONFIGSUBIF)IPADDRESSYYYY15242255255255252R1(CONFIGSUBIF)FRAMERELAYINTERFACEDLCI100IETFR1(CONFIGSUBIF)ENDCOMMENT木木木木14可以不敲COMMENT木木木木15控制广播风暴在50以内第三步R2帧中继链路配置R2(CONFIG)INTERFACESERIAL0/0/0R2(CONFIGIF)ENCAPSULATIONFRAMERELAYIETFR2(CONFIGIF)NOFRAMERELAYINVERSEARPR2(CONFIGIF)NOARPFRAMERELAYR2(CONFIGIF)NOSHUTDOWNR2(CONFIG)INTERFACESERIAL0/0/0200POINTTOPOINTR2(CONFIGSUBIF)IPADDRESSYYYY15241255255255252R2(CONFIGSUBIF)FRAMERELAYINTERFACEDLCI200IETFR2(CONFIGSUBIF)END15TRAFFICCONTROLPROTECTIONFROMTHEBACKBONESCONFIGURETRAFFICCONTROLONTHETHREEBACKBONELINKS,PROTECTINGYOURNETWORKFROMABROADCASTSTORMTHISPROTECTIONSHOULDBEGINONCEBROADCASTTRAFFICISHALF50AVAILABLEBANDWIDTH,THEPORTSHOULDREMAINFUNCTIONINGDURINGTHISTIME翻译在交换机上配置STORMCONTROL,控制连接BACKBONE的接口BROADCAST流量不超过50,即使超过后,不能影响其他端口。解法SW1上STORMCONTROL配置SW1(CONFIG)INTERFACEFASTETHERNET0/10SW1(CONFIGIF)STORMCONTROLBROADCASTLEVEL50SW2上STORMCONTROL配置SW2(CONFIG)INTERFACEFASTETHERNET0/10SW2(CONFIGIF)STORMCONTROLBROADCASTLEVEL50SW3上STORMCONTROL配置SW3(CONFIG)INTERFACEFASTETHERNET0/10SW3(CONFIGIF)STORMCONTROLBROADCASTLEVEL50继续完成如下配置后再进入3层配置R1配置R1(CONFIG)INTERFACELOOP0R1(CONFIGIF)IPADDRESSYY11255255255255R1(CONFIG)INTERFACEFASTETHERNET0/1R1(CONFIGIF)IPADDRESSYYYY15161255255255224R1(CONFIGIF)NOSHUTR1(CONFIG)INTERFACESERIAL0/1R1(CONFIGIF)ENCAPSULATIONPPPR1(CONFIGIF)NOPEERNEIGHBORROUTER1(CONFIGIF)IPADDRESSYYYY15249255255255252R1(CONFIGIF)NOSHUTR2配置R2(CONFIG)INTERFACELOOP0R2(CONFIGIF)IPADDRESSYY22255255255255R2(CONFIG)INTERFACEFASTETHERNET0/1R2(CONFIGIF)NOSHUTDOWNR2(CONFIG)INTERFACEFASTETHERNET0/122R2(CONFIGSUBIF)ENCAPSULATIONDOT1Q22R2(CONFIGSUBIF)IPADDRESSYYYY15129255255255224R2(CONFIG)INTERFACEFASTETHERNET0/124R2(CONFIGSUBIF)ENCAPSULATIONDOT1Q24R2(CONFIGSUBIF)IPADDRESSYYYY1534255255255224R3配置R3(CONFIG)INTERFACELOOP0R3(CONFIGIF)IPADDRESSYY33255255255255R3(CONFIG)INTERFACEFASTETHERNET0/1R3(CONFIGIF)IPADDRESSYYYY15193255255255224R3(CONFIGIF)NOSHUTR3(CONFIG)INTERFACEFASTETHERNET0/0R3(CONFIGIF)IPADDRESS1503YY12552552550R3(CONFIGIF)NOSHUTR3(CONFIG)INTERFACESERIAL0/0R3(CONFIGIF)ENCAPSULATIONPPPR3(CONFIGIF)NOPEERNEIGHBORROUTER3(CONFIGIF)IPADDRESSYYYY15245255255255252R3(CONFIGIF)NOSHUTR4配置R4(CONFIG)INTERFACELOOP0R4(CONFIGIF)IPADDRESSYY44255255255255R4(CONFIG)INTERFACEFASTETHERNET0/1R4(CONFIGIF)IPADDRESSYYYY1533255255255224R4(CONFIGIF)NOSHUTR4(CONFIG)INTERFACEFASTETHERNET0/0R4(CONFIGIF)IPADDRESSYYYY1565255255255224R4(CONFIGIF)NOSHUTR5配置R5(CONFIG)INTERFACELOOP0R5(CONFIGIF)IPADDRESSYY55255255255255R5(CONFIG)INTERFACEFASTETHERNET0/1R5(CONFIGIF)IPADDRESSYYYY1597255255255224R5(CONFIGIF)NOSHUTR5(CONFIG)INTERFACEFASTETHERNET0/0R5(CONFIGIF)IPADDRESS1501YY12552552550R5(CONFIGIF)NOSHUTR5(CONFIG)INTERFACESERIAL0/0R5(CONFIGIF)ENCAPSULATIONPPPR5(CONFIGIF)NOPEERNEIGHBORROUTER5(CONFIGIF)IPADDRESSYYYY15250255255255252R5(CONFIGIF)NOSHUTR5(CONFIG)INTERFACESERIAL0/1R5(CONFIGIF)ENCAPSULATIONPPPR5(CONFIGIF)NOPEERNEIGHBORROUTER5(CONFIGIF)IPADDRESSYYYY15246255255255252R5(CONFIGIF)NOSHUTSW1配置COMMENTS16IGP这一部分是K1的重中之重,主要变化为RIP没有明确要求使用V2接口不再要求接受RIPV1的数据包,最为重要的一点是RIP和EIGRP要求不能NOAUTOSUMMARYSW1(CONFIG)INTERFACELOOP0SW1(CONFIGIF)IPADDRESSYY77255255255255SW2配置SW2(CONFIG)INTERFACELOOP0SW2(CONFIGIF)IPADDRESSYY88255255255255SW3配置SW3(CONFIG)INTERFACELOOP0SW3(CONFIGIF)IPADDRESSYY99255255255255SW4配置SW4(CONFIG)INTERFACELOOP0SW4(CONFIGIF)IPADDRESSYY1010255255255255注意做完以后,PING通所有直连2SECTIONLAYER3AFTERFINISHINGEACHOFTHEFOLLOWINGQUESTIONS,MAKESURETHATALLCONFIGUREDINTERFACESANDSUBNETSARECONSISTENTLYVISIBLEONALLPERTINENTROUTERSANDSWITCHESDONTREDISTRIBUTEBETWEENANDINTERIORGATEWAYPROTOCOLIGPANDBOARDGATEWAYPROTOCOLBGPYOUNEEDTOPINGABGPROUTEONLYIFITISSTATEDINAQUESTION,OTHERWISETHEROUTESHOULDBEONLYINTHEBGPTABLEATTHEENDOFSECTION2,ALLSUBNETSINYOURTOPOLOGY,INCLUDINGTHELOOPBACKINTERFACEEXPECTEDFORSW3,MUSTBEREACHABLEVIAPINGTHEREFOREREDISTRIBUTEASYOUWISHUNLESSDIRECTLYSTATEDINAQUESTIONTHEBACKBONEINTERFACEMUSTBEREACHABLEONLYIFTHEYAREPARTOFTHESOLUTIONTOAQUESTIONTHELOOPBACKINTERFACECANBESEENASEITHER/24OR/32INTHEROUTINGTABLEUNLESSSTATEDOTHERWISEINAQUESTIONTHELOOPBACKINTERFACESCANBEADDEDINTOYOURIGPEITHERVIAREDISTRIBUTIONORADDEDTOAROUTINGPROCESSOFYOURCHOICE翻译1当完成IGP之后,所有配置的接口以及网段需要在所有路由器和交换机上学习到。2不能在IGP和BGP之间重分布,除非题目明确说明要求。BGP的路由只需要看见即可,不需要PING通,除非题目明确说明要PING通COMMENT木木木木17NSSA区域的需求COMMENT木木木木18由于考题要求不能用NEXTHOPSELF和反射器,这里必须重分布直连到OSPF里3完成IGP之后,所有接口,包含LOOPBACK都要能PING通,SW3不需要。4在连BB的接口需要用到时,可以被重分布。5LOOPBACK地址可以被重分布,也可以直接放入路由协议,由自己选择。21IMPLEMENTIPV4OSPFCONFIGUREOPENSHORTESTPATHFIRSTOSPFUPDATESSHOULDBEADVERTISEDONLYOUTOFTHEINTERFACETHATAREINDICATEDINTHEIGPTOPOLOGYDIAGRAMDONTMANUALLYCHANGETHEROUTERIDDONTCREATEADDITIONALOSPFAREACONFIGREOSPFAREA2SUCHTHATTHEREARENOTYPE5ADVERTISMENTSLSAINTHEAREA,R1SHOULDGENERATEADEFAULTROUTECONFIGUREOSPFOVERFRAMERELAYBETWEENR1ANDR2CHOOSINGANETWORKTYPETHATREQUIRESDESIGNATEROUTERDRANDBACKUPDESIGNATEROUTERBDRNEGOTIATIONSANDHASTHEFATESTRECOVERTIMES翻译1只在接口发送更新2不要手工修改RID3不要创建额外的OSPF区域4配置AREA2不接收5类LSA,R1向区域内产生一条默认路由因为在AREA2执行了重分发,所以AREA2为NSSA区域5R1和R2之间的帧中继链路选择一种OSPF网络类型,要求选举DR,BDR,能够快速收敛,并且开启FASTHELLO特性网络类型为BROADCAST解法第一步配置AREA2SW2(CONFIG)IPROUTINGSW2(CONFIG)ROUTEROSPF1SW2(CONFIGROUTER)NETWORKYYYY151300000AREA2SW2(CONFIGROUTER)NETWORKYYYY880000AREA2SW2(CONFIGROUTER)AREA2NSSASW2(CONFIG)ROUTEROSPF1SW2(CONFIGROUTER)REDISTRIBUTECONNECTEDSUBNETSROUTEMAPBB2SW2(CONFIG)ROUTEMAPBB2PERMIT10SW2(CONFIGROUTEMAP)MATCHINTVLAN2R2(CONFIG)ROUTEROSPF1COMMENT木木木木19NSSA区域的需求COMMENT木木木木20需求要求R1在NSSA区域分发一条默认路由COMMENT木木木木21R1和R3的LOOP口不要通告到OSPF中,后面起BGP的时候,需要在EIGRP通告COMMENT木木木木22考试中为YY,为机架号COMMENTS23网络类型为广播型一秒发送20个OSPF包R2(CONFIGROUTER)NETWORKYYYY152410000AREA2R2(CONFIGROUTER)NETWORKYYYY151290000AREA2R2(CONFIGROUTER)NETWORKYYYY220000AREA2R2(CONFIGROUTER)AREA2NSSAR1(CONFIG)ROUTEROSPF1R1(CONFIGROUTER)NETWORKYYYY152420000AREA2R1(CONFIGROUTER)AREA2NSSADEFAULTINFORMATIONORIGINATE第二步配置AREA0R1(CONFIG)ROUTEROSPF1R1(CONFIGROUTER)NETWORKYYYY151610000AREA0R3(CONFIG)ROUTEROSPF1R3(CONFIGROUTER)NETWORKYYYY151930000AREA0SW1(CONFIG)IPROUTINGSW1(CONFIG)ROUTEROSPF1SW1(CONFIGROUTER)NETWORKYYYY151940000AREA0SW1(CONFIGROUTER)NETWORKYYYY151620000AREA0SW1(CONFIGROUTER)NETWORKYYYY770000AREA0第四步配置R1R2帧中继链路的OSPF网络类型,开启FASTHELLO特性R1(CONFIG)INTERFACESERIAL0/0100POINTTOPOINTR1(CONFIGSUBIF)IPOSPFNETWORKBROADCASTR1(CONFIGSUBIF)IPOSPFDEADINTERVALMINIMALHELLOMULTIPLIER20R2(CONFIG)INTERFACESERIAL0/0200POINTTOPOINTR2(CONFIGSUBIF)IPOSPFNETWORKBROADCASTR2(CONFIGSUBIF)IPOSPFDEADINTERVALMINIMALHELLOMULTIPLIER20友情提示在任意的路由器上要看到正确的路由和邻居,R1和R2的邻居必须是DR和BDR的状态,SHOWIPOSPFNEIGHBOR看邻居,SHOWIPROUTEOSPFSHOWIPOSPFINTS0/0XX看HELLOTIME是不是毫秒级,NSSA是否能收到默认路由和SW2分发的直连路由COMMENTS24新增需求开启自动汇总COMMENT木木木木25考试中为YY,机架号COMMENT木木木木26最好是敲上去22IMPLEMENTIPV4EIGRPCONFIGUREEIGRP100ANDEIGRPYYPERTHEIGPTOPOLOGYDIAGRAMEIGRPUPDATESSHOULDBEADVERTISEONLYOUTTOTHEINTERFACEPERTHEIGPTOPOLOTYDIAGRAMONR1,REDISTRIBUTEBETWEENOSPFANDEIGRPYYHOWEVERALLOFTHEROUTESTHATAREINDICATEDBELOWFROMBACKBONE3EIGRP100SHOULDNOTBEREDISTRIBUTEDBETWEENBOTHPROTOCOLS198210/24、198230/24、198250/24、198114/30、4110/24、1282820/24。USEROUTEMAPSTOACCOMPLISHTHISREQUIREMENTALLROUTEMAPSSHOULDUTILIZETHESAMEACCESSLISTSONR3,REDISTRIBUTEFROMEIGRP100INTOOSPFONR3,REDISTRIBUTEFROMEIGRP100INTOEIGRPYYHOWEVERTHREENETWORKS198210/24,198230/24,198250/24SHOULDBEAGGREGATEDINTOASINGLEADDRESSWITHTHEMOSTSPECIFICMASKPOSSIBLE翻译根据IGP拓扑配置EIGRP100和EIGRPYY,并且只能在相应接口发送更新1在R1上配置OSPF和EIGRPYY的双向重分发2然而EIGRP100的路由(198210/24、198230/24、198250/24、198114/30、4110/24、1282820/24)不允许包含在重分发,3使用路由图完成这一需求,所有的路由图调用相同的ACL做过滤4在R3上重分发EIGRP100进OSPF5在R3上重分发EIGRP100进EIGRPYY,将198210/24、198230/24、198250/24被汇总成一条解法第一步配置EIGRPYY友情提示由于从EIGRP开始后,会配置较多的ROUTEMAP和ACCESSLIST,当你配置的时候,最好SHOWACCESSLIST,看是不是已经有了,有条目的话就必须用其他条目,不然覆盖掉的话会很麻烦的SW4(CONFIG)IPROUTINGSW4(CONFIG)ROUTEREIGRP1SW4(CONFIGROUTER)AUTOSUMMARYSW4(CONFIGROUTER)NETWORKYYYY159600031SW4(CONFIGROUTER)NETWORKYYYY10100000R5(CONFIG)ROUTEREIGRP1R5(CONFIGROUTER)AUTOSUMMARYR5(CONFIGROUTER)NETWORKYYYY159600031COMMENT木木木木27由于考题要求不能用NEXTHOPSELF和反射器,这里必须重分发BB1COMMENT木木木木28EIGRP互相分发的时候可以不写花费这个可以不敲COMMENT木木木木29汇总什么样的路由要看考试需求。COMMENT木木木木30考试为YYR5(CONFIGROUTER)NETWORKYYYY152440003R5(CONFIGROUTER)NETWORKYYYY152480003R5(CONFIGROUTER)NETWORKYYYY550000R5(CONFIGROUTER)REDISTRIBUTECONNECTEDROUTEMAPBB1R5(CONFIG)ROUTEMAPBB1PERMIT10R5(CONFIGROUTEMAP)MATCHINTF0/0R1(CONFIG)ROUTEREIGRP1R1(CONFIGROUTER)AUTOSUMMARYR1(CONFIGROUTER)NETWORKYYYY152480003R1(CONFIGROUTER)NETWORKYYYY110000R3(CONFIG)ROUTEREIGRP1R3(CONFIGROUTER)AUTOSUMMARYR3(CONFIGROUTER)NETWORKYYYY152440003R3(CONFIGROUTER)NETWORKYYYY330000第二步配置EIGRP100R3(CONFIG)ROUTEREIGRP100R3(CONFIGROUTER)AUTOSUMMARYR3(CONFIGROUTER)NETWORK1503YY0000255第三步EIGRP100重分发进OSPFR3(CONFIG)ROUTEROSPF1R3(CONFIGROUTER)REDISTRIBUTEEIGRP100SUBNETS第四步EIGRP100重分发进EIGRPYYR3(CONFIG)ROUTEREIGRP1R3(CONFIGROUTER)REDISTRIBUTEEIGRP100METRIC1000010025511500第五步R3上汇总198210/24、198230/24、198250/24这三条路由R3(CONFIG)INTERFACESERIAL0/0R3(CONFIGIF)IPSUMMARYADDRESSEIGRP11982002552552480第六步R1上配置OSPF和EIGRPYY的双向重分发,重分发时过滤EIGRP的路由R1(CONFIG)ROUTEROSPF1R1(CONFIGROUTER)REDISTRIBUTEEIGRP1SUBNETSROUTEMAPFILTERR1(CONFIG)ROUTEREIGRP1R1(CONFIGROUTER)REDISTRIBUTEOSPF1METRIC1000010025511500ROUTEMAPFILTERR1(CONFIG)ACCESSLIST10DENY4110COMMENT木木木木31这些都是从R3重分发进来的路由,在考试中需要在R3上SHOWIPROUTEEIGRP100来确定是哪些路由COMMENT木木木木32从R3上汇总的路由,也必须过滤COMMENTS33新增需求开启自动汇总COMMENT木木木木34这个需求已经没有了COMMENTS35该需求可能已取消R1(CONFIG)ACCESSLIST10DENY1282820R1(CONFIG)ACCESSLIST10DENY198114R1(CONFIG)ACCESSLIST10DENY198210R1(CONFIG)ACCESSLIST10DENY198230R1(CONFIG)ACCESSLIST10DENY198250R1(CONFIG)ACCESSLIST10DENY1503YY0R1(CONFIG)ACCESSLIST10DENY198200R1(CONFIG)ACCESSLIST10PERMITANYR1(CONFIG)ROUTEMAPFILTERPERMIT10R1(CONFIGROUTEMAP)MATCHIPADDRESS10注意EIGRP的邻居起来以后,邻居的状态是否正常SHOWIPEIGRPNEIGHBOR,查看互相重分发是否正常,查看R5是否收到了198200/21的汇总路由不能在SW1和SW5上看到从R1发出的BB3的路由,因为做列表过滤了R5上SHOWIPROUTE|INYY15249SW1上SHOWIPROUTE|INYY1516123IMPLEMENTRIPVERSION2CONFIGURERIPVERSION2RIPV2PERTHEIGPTOPOLOGYDIAGRAMRIPUPDATESSHOULDBEADVERTISEONLYOUTTHEINTERFACEPERTHEIGPTOPOLOGYDIAGRAMALLRIPUPDATESSHOULDBEUNICASTALLRIPUPDATESMUST

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