思科网络技术培训之9：IP路由.ppt

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1、ObjectivesUponcompletionofthischapter,youwillbeabletocompletethefollowingtasks:DistinguishtheuseandoperationofstaticanddynamicroutesConfigureandverifyastaticrouteIdentifyhowdistancevectorIProutingprotocolssuchasRIPandIGRPoperateonCiscoroutersEnableRoutingInformationProtocol(RIP)Ena

2、bleInteriorGatewayRoutingProtocol(IGRP)VerifyIProutingwithshowanddebugcommandsToroutearouterneedtoknow:DestinationaddressesSources(routers)itcanlearnroutefromPossibleroutesBestrouteMaintainandverifyroutinginformationWhatisRouting?172.16.1.010.120.2.0WhatisRouting?(cont.)NetworkPro

3、tocolDestinationNetworkConnectedLearned10.120.2.0172.16.1.0ExitInterfaceE0S0RoutedProtocol:IPRoutersmustlearndestinationsthatarenotdirectlyconnected172.16.1.010.120.2.0E0S0StaticRouteUsesaroutethatanetworkadministratorentersintotheroutermanuallyDynamicRouteUsesaroutethatanetworkro

4、utingprotocoladjustsautomaticallyfortopologyortrafficchangesIdentifyingStaticandDynamicRoutes172.16.2.1SOStaticRoutes172.16.1.0B172.16.2.2NetworkAConfigureunidirectionalstaticroutestoandfromastubnetworktoallowcommunicationstooccur.BStubNetworkDefinesapathtoanIPdestinationnetworkors

5、ubnetRouter(config)#iproutenetwork[mask]{address

6、interface}[distance][permanent]StaticRouteConfigurationStubNetworkiproute172.16.1.0255.255.255.0172.16.2.1172.16.2.1SOStaticRouteExample172.16.1.0B172.16.2.2NetworkABThisisaunidirectionalroute.Youmusthavearouteconfiguredintheopposit

7、edirection.StubNetworkiproute0.0.0.00.0.0.0172.16.2.2DefaultRoutes172.16.2.1SO172.16.1.0B172.16.2.2NetworkABThisrouteallowsthestubnetworktoreachallknownnetworksbeyondrouterA.WhatisaRoutingProtocol?Routingprotocolsareusedbetweenrouterstodeterminepathsandmaintainroutingtables.Once

8、thepathisdeterminedaroutercanroutearoutedprotocol.NetworkProtocolDestinationNetworkConnectedRIPIGRP10.120.2.0172.16.2.0172.17.3.0ExitInterfaceE0S0S1RoutedProtocol:IPRoutingprotocol:RIP,IGRP172.17.3.0172.16.1.010.120.2.0E0S0AutonomousSystem100AutonomousSystem200IGPs:RIP,IGR

9、PEGPs:BGPAutonomousSystems