CCNA思科网络技术学院教程-第8章_路由选择基础.ppt

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1、第8章路由选择基础主要内容讨论路由选择协议和被路由协议，如何解决路由选择问题Toroutearouterneedtoknow:DestinationaddressesSourcesitcanlearnfromPossibleroutesBestrouteMaintainandverifyroutinginformation8.1WhatisRouting?172.16.1.010.120.2.0WhatisRouting?(cont.)NetworkProtocolDestinationNetworkConnectedLearned10.120.2.0172.16.1.0Ex

2、itInterfaceE0S0RoutedProtocol:IPRoutersmustlearndestinationsthatarenotdirectlyconnected172.16.1.010.120.2.0E0S0建立路由表8.2WhatisaRoutingProtocol?Routingprotocolsareusedbetweenrouterstodeterminepathsandmaintainroutingtables.Oncethepathisdeterminedaroutercanroutearoutedprotocol.NetworkProtocol

3、DestinationNetworkConnectedRIPIGRP10.120.2.0172.16.2.0172.17.3.0ExitInterfaceE0S0S1RoutedProtocol:IPRoutingprotocol:RIP,IGRP172.17.3.0172.16.1.010.120.2.0E0S0AutonomousSystem100AutonomousSystem200IGPs:RIP,IGRPEGPs:BGPAutonomousSystems:InteriororExteriorRoutingProtocolsAnautonomoussyst

4、emisacollectionofnetworksunderacommonadministrativedomainIGPsoperatewithinanautonomoussystemEGPsconnectdifferentautonomoussystemsClassesofRoutingProtocolsDistanceVectorHybridRoutingLinkStateCBADCDBARouteprotocol:RIPIGRPEIGRPOSPFRoutedprotocol:IPIPX8.3RouteprotocolandroutedprotocolBlankforpagi

5、nation