網(wǎng)絡部分教案5路由

數(shù)據(jù)路由微軟認證講師：韓立剛

hanligang@

MSN:onesthan@目標這章結束后，你將能夠完成下列任務:區(qū)分靜態(tài)路由和動態(tài)路由配制和驗證靜態(tài)路由距離矢量動態(tài)路由協(xié)議如何在路由器上運作配制RoutingInformationProtocol(RIP)使用SHOW和debug驗證IP路由路由數(shù)據(jù)包需要知道目標地址能夠學習遠程網(wǎng)絡的鄰居路由器到所有的遠程網(wǎng)絡路徑到每一個網(wǎng)絡的最佳的路徑如何維護和更新路由信息什么是路由?什么是路由?（續(xù)）網(wǎng)絡協(xié)議目標網(wǎng)絡直連的

學到的

現(xiàn)有的接口E0

S0路由協(xié)議:IP

路由器必須學到它沒有直連的目標網(wǎng)絡E0S0靜態(tài)路由使用管理員配制的路由路由數(shù)據(jù)動態(tài)路由當網(wǎng)絡拓撲和流量改變時，使用路由協(xié)議自動調(diào)整路由識別靜態(tài)路由和動態(tài)路由靜態(tài)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路由匯總BARouterR(config)#iprouteRouterR(config)#iprouteBCDEFGR路由匯總BARouterR(config)#iprouteRouterR(config)#iprouteRouterR(config)#iprouteBCDEFGRBH默認路由BInternetARouterA(config)#iprouteRouterA(config)#iprouteBRouterB(config)#iproute美國英國中國河北河南石家莊秦皇島保定Router(config)#iprouteRouter(config)#iprouteRouter(config)#iproute什么是路由協(xié)議?路由協(xié)議用來在路由器之間確定路徑和維護路由表一旦路徑確定路由器能夠路由被路由的協(xié)議Network

ProtocolDestination

NetworkConnected

RIP

IGRP

ExitInterfaceE0

S0

S1RoutedProtocol:IP

Routingprotocol:RIP,IGRPE0S0RouterCRouterDRouterARouterB網(wǎng)絡網(wǎng)絡網(wǎng)絡56KT1管理距離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在路由器進程中啟用路由協(xié)議Router(config)#routerprotocol[keyword]

標明路由器的那些接口能夠接收和發(fā)送路由更新Router(config-router)#networknetwork-number動態(tài)路由協(xié)議配制19.2kbpsT1T1T1跳數(shù)決定路徑每隔30秒路由更新RIP概述routerripnetworknetworkRIP配制實例routerripnetworkrouterripnetworknetworkS2E0S3S2S3ABC

E0驗證路由協(xié)議--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