网络部分教案5路由

数据路由微软认证讲师：韩立刚

hanligang@

MSN:onesthan@目标这章结束后，你将能够完成下列任务:区分静态路由和动态路由配制和验证静态路由距离矢量动态路由协议如何在路由器上运作配制RoutingInformationProtocol(RIP)使用SHOW和debug验证IP路由路由数据包需要知道目标地址能够学习远程网络的邻居路由器到所有的远程网络路径到每一个网络的最佳的路径如何维护和更新路由信息什么是路由?什么是路由?（续）网络协议目标网络直连的

学到的

现有的接口E0

S0路由协议:IP

路由器必须学到它没有直连的目标网络E0S0静态路由使用管理员配制的路由路由数据动态路由当网络拓扑和流量改变时，使用路由协议自动调整路由识别静态路由和动态路由静态路由RouterB(config)#iprouteRouterB(config)#iprouteRouterB(config)#iprouteRouterB(config)#iprouteSOBABStubNetworkSORouterA(config)#iprouteRouterA(config)#iprouteRouterA(config)#iprouteRouterD(config)#iproute0S0BABStubNetworkS0RouterA(config)#iprouteRouterA(config)#iproute0RouterA(config)#iprouteRouterC(config)#iprouteRouterC(config)#iprouteRouterC(config)#iproute52RouterC(config)#iproute52RouterC(config)#iprouteDCRouterB(config)#iprouteInternetBA0SOBABSO路由汇总BARouterR(config)#iprouteRouterR(config)#iprouteBCDEFGR路由汇总BARouterR(config)#iprouteRouterR(config)#iprouteRouterR(config)#iprouteBCDEFGRBH默认路由BInternetARouterA(config)#iprouteRouterA(config)#iprouteBRouterB(config)#iproute美国英国中国河北河南石家庄秦皇岛保定Router(config)#iprouteRouter(config)#iprouteRouter(config)#iproute什么是路由协议?路由协议用来在路由器之间确定路径和维护路由表一旦路径确定路由器能够路由被路由的协议Network

ProtocolDestination

NetworkConnected

RIP

IGRP

ExitInterfaceE0

S0

S1RoutedProtocol:IP

Routingprotocol:RIP,IGRPE0S0RouterCRouterDRouterARouterB网络网络网络56KT1管理距离IGRP

AdministrativeDistance=100RouterDRouterBRouterARouterCRIP

AdministrativeDistance=120EIneedtosendapackettoNetworkE.BothrouterBandCwillgetitthere.

Whichrouteisbest?172.16.2.0E2E0S310.2.2.0E0S3ABC

E0E0路由表E00E20路由表E00路由表E00S30E20路由表E00S30路由表E00E20E21E21E22路由表E00E01E02E02E03路由表E00S30E20E01S31路由表E00S30S31S31S32在路由器进程中启用路由协议Router(config)#routerprotocol[keyword]

标明路由器的那些接口能够接收和发送路由更新Router(config-router)#networknetwork-number动态路由协议配制19.2kbpsT1T1T1跳数决定路径每隔30秒路由更新RIP概述routerripnetworknetworkRIP配制实例routerripnetworkrouterripnetworknetworkS2E0S3S2S3ABC

E0验证路由协议--RIPRouterA#shipprotocolsRoutingProtocolis"rip"Sendingupdatesevery30seconds,nextduein0secondsInvalidafter180seconds,holddown180,flushedafter240OutgoingupdatefilterlistforallinterfacesisIncomingupdatefilterlistforallinterfacesisRedistributing:ripDefaultversioncontrol:sendversion1,receiveanyversionInterfaceSendRecvKey-chainEthernet0112Serial2112RoutingforNetworks:

RoutingInformationSources:GatewayDistanceLastUpdate12000:00:10Distance:(defaultis120)S2E0S3S2S3ABC

E0察看IP路由表RouterA#shiprouteCodes:C-connected,S-static,I-IGRP,R-RIP,M-mobile,B-BGPD-EIGRP,EX-EIGRPexternal,O-OSPF,IA-OSPFinterareaN1-OSPFNSSAexternaltype1,N2-OSPFNSSAexternaltype2E1-OSPFexternaltype1,E2-OSPFexternaltype2,E-EGPi-IS-IS,L1-IS-ISlevel-1,L2-IS-ISlevel-2,*-candidatedefaultU-per-userstaticroute,o-ODRT-trafficengineeredrouteGatewayoflastresortisnotset/24issubnetted,1subnetsCisdirectlyconnected,Ethernet0/24issubnetted,2subnetsR[120/1]via,00:00:07,Serial2Cisdirectlyconnected,Serial2R/24[120/2]via,00:00:07,Serial2S2E0S3S2S3ABC

E0debugiprip

命令RouterA#debugipripRIPprotocoldebuggingisonRouterA#00:06:24:RIP:receivedv1updatefromonSerial200:06:24:in1hops00:06:24:in2hops00:06:33:RIP:sendingv1updateto55viaEthernet0()00:06:34:network,metric100:06:34:network,metric300:06:34:RIP:sendingv1updateto55viaSerial2()00:06:34:netwo