點到點協(xié)議ppp配置實驗(編輯修改稿)
2025-01-09 22:00 本頁面
【文章內(nèi)容簡介】 L CHANGE: Interface serial 1/2, changed state to UP仍然在R1上執(zhí)行ping ，結果如何？（第五次ping）思考：在剛才執(zhí)行的5次連通性檢測中，哪次沒有ping通，解釋分別不通的原因？步驟5：綜合驗證與調(diào)試在R1或R2上執(zhí)行show interface命令查看接口狀態(tài)，仍然以R2為例：R2 show interface serial 1/2 serial 1/2 is UP , line protocol is UP Hardware is PQ2 SCC HDLC CONTROLLER serial Interface address is: MTU 1500 bytes, BW 2000 Kbit Encapsulation protocol is PPP, loopback not set Keepalive interval is 10 sec , set Carrier delay is 2 sec RXload is 1 ,Txload is 1 LCP Open Open: ipcp Queueing strategy: WFQ 5 minutes input rate 174 bits/sec, 0 packets/sec 5 minutes output rate 112 bits/sec, 0 packets/sec 565 packets input, 14043 by Received 316 broadcasts, 0 runts, 0 giants 3 input errors, 0 CRC, 3 frame, 0 overrun, 0 abort 502 packets output, 16878 bytes, 0 underruns 0 output errors, 0 collisions, 22 interface resets 1 carrier transitions V35 DTE cable DCD=up DSR=up DTR=up RTS=up CTS=up附注：BW：帶寬，DLY：時延，HDLC：高級數(shù)據(jù)鏈路控制協(xié)議，DCD：數(shù)據(jù)載波寄存器，DSR：數(shù)據(jù)段寄存器，DTR：數(shù)據(jù)傳送寄存器，RTS：請求發(fā)送，CTS：清除發(fā)送可以看出，Serial接口已經(jīng)采用了PPP封裝協(xié)議，LCP鏈路協(xié)商已經(jīng)完成。實驗的最后，我們使用debug ppp命令來觀察PAP認證的過程：在R1和R2上分別執(zhí)行debug ppp authentication命令：R1 debug ppp authentication ！打開R1調(diào)試PPP認證開關R2 debug ppp authentication ！打開R2調(diào)試PPP認證開關如果要看到PAP認證的過程，需要再執(zhí)行下面的操作：任選兩臺路由器之一，以R2為例：R2(config) interface serial 1/2R2(configif) shutdown ！關閉R2的S1/2接口R
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