課件07ospf乾頤堂ccnav保留所有盜版將追究法律責(zé)任

（乾頤堂首發(fā)CCNA200-301v1.0）UnderstandingOSPFImplementingOSPFNetworkTypesandAdministrativedistanceRoutingprotocolmetricConfigureandverifysingleareaNeighboradjacenciesBroadcast(DR/BRRouterKey1、了解相鄰路由器的IP子網(wǎng)的路由信息（學(xué)習(xí)2、將路由信息發(fā)布給相鄰路由器（更新3、在多個(gè)路徑中根據(jù)度量標(biāo)準(zhǔn)選擇最佳路徑（選路4、根據(jù)故障或其它情況自動(dòng)調(diào)整路徑（收斂協(xié)議：EIGRP、1S1S、vs：協(xié)議內(nèi)部相同路由信息比較AD：

ApplyingDijkstraSPFMathtoFindtheBest

OSPFv2RFCIPprotocol89 ingOSPFMeetingNeighborsandLearningTheirRouterEarlyNeighborFullyExchangingLSAswith

MaintainingNeighborsandthe通 鄰居狀將有更改的LSALSA UsingDesignatedRoutersonEthernetStableOSPFNeighborStatesandTheirOSPFconsidersthecostsoftheoutgoinginterfaces(only)ineachroute.Itdoesnotaddthecostforinginterfacesintheroute.OSPFAreasand較大的拓?fù)鋽?shù)據(jù)庫在每個(gè)路由器上需 的內(nèi)存OSPFOSPF24須具有到達(dá)骨干區(qū)域（區(qū)域0）OSPFDesign收斂時(shí)僅需在區(qū)域內(nèi)部SPFEnterpriseNetworkwithSevenIPv4convergence,ShortestPathFirst(SPF)algorithm,distancevector,InteriorGatewayProtocol(IGP),link-state,link-stateadvertisement(LSA),link-statedatabase(LSDB),metric,2-waystate,fullstate,AreaBorderRouter(ABR),designatedrouter(DR),backupdesignatedrouter(BDR),fully oInterval,DeadInterval,link-stateupdate,neighbor,routerID(RID),topologydatabase,internalrouter,backbonearea（乾頤堂首發(fā)CCNA200-301v1.0）全網(wǎng)唯一的router-idRouter-idDefaultroutesLoad

乾頤堂首 A（200-301）Routing&Switching實(shí)戰(zhàn)PassiveDefaultOSPFLoad

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