1、【實驗名稱【實驗目的【背景描述【技術原理 【實驗名稱【實驗目的【背景描述【技術原理 PPP的認證功能是指在建立PPP 鏈路的過程中進CHAP（ChallengeHandshakeAuthentication 【實現功能【實驗設備【實驗拓撲【實驗步驟步驟基本配置(【實驗步驟步驟基本配置(Ra為例serial 1/2 is UP , line protocol is UP HardwareisPQ2SCCHDLCCONTROLLERserialerfaceaddressis:1.1.1.1/24 MTU 1500 bytes, BW 2000 KbitEncapsulationprotocolis

2、HDLC,acknotervalis10sec,erialerialRa(config-if)#ipaddress1.1.1.1255.255.255.0 Ra(config-if)#no shutdownRed-Giant(config)#hostname Rb erial1/2Rb(config-if)#ipaddress1.1.1.2Rb(config-if)#clockrate64000 Rb(config-if)#no shutdown步驟%LINK步驟%LINKerial1/2,changedeto%LINE PROTOCOL CHANGE:erial 1/2, changed s

3、etoDOWN PPP: ppp_clear_author(), protocol = TYPE_LCPRa#debugpppRa(config)#usernameRbpassword0!以對方的主機名作為用戶名erial1/2 Ra(config-if)#pppauthenticationPPP啟用CHAP方式Rb(config)#usernamesword0erial 1/2 Rb(config-if)#encapsulationpppCarrier delay is 2 sec RXloadis1,Txloadis1 Queueing strategy: WFQ5minutesinput

4、rate11bits/sec,05minutesoutputrate11bits/sec,033 packets input, 726 bytes, 0 no buffer Received33broadcasts,0runts,0giants0inputerrors,0CRC,0frame,0overrun,032packetsoutput,704bytes,00 output errors, 0 collis, 63 carrier transitionsV35DTEDCD=up DSR=up DTR=up RTS=up 【注意事項2、Ra(config)#usernameRbpasswo

5、rd0【注意事項2、Ra(config)#usernameRbpassword0 sword0 【參考配置Building configuration. Currentconfiguration:489bytes!8.32(building53) hostname Ra!路由器Ra配%LINK CHANGED:erial 1/2, changed setoup PPP:serial1/2SendCHAPchallengeid=29toremotePPP: diseauthenticationmessageRECV_CHAP_RESPONSE PPP: serial 1/2 CHAP respo

6、nse id=29 ,received from Rb PPP: serial 1/2 Send CHAP sucs id=29 to remotePPP: serial 1/2 remote routassedCHAPauthentication. PPP: serial 1/2 lcp authentication OK!PPP:ppp_clear_author(),protocol=%LINEPROTOCOLerial1/2,changedetoBuildingRb#showrunning-BuildingRb#showrunning-RbusernameRbpassword0!eria

7、l1/2 encapsulation PPPpppauthenticationipaddress1.1.1.1clockrate!erial1/3 clock rate 64000!erfaceFastEthernet1/0 duplex autospeed!erfaceFastEthernet1/1 duplex autospeed!erfaceNull!lineconlineauxlinevty04 !Currentconfiguration:444!8.32(building!Rsword0!erialencapsulationipaddress1.1.1.2!erialclockrate!Currentconfiguration:444!8.32(buildin