【正文】 PDOWN: Interface Serial0, changed state to down%LINEPROTO5UPDOWN: Line protocol on Interface Serial0, changed state to downR2copy run startDestination filename [startupconfig]?Building configuration...[OK] Router1 ppp配置R1conf tEnter configuration mands, one per line. End with CNTL/Z.R1(config)int se 0R1(configif)encapsulation pppR1(configif)endR1startR1copy run startDestination filename [startupconfig]?Building configuration...[OK] Router2 ppp配置R2conf tEnter configuration mands, one per line. End with CNTL/Z.R2(config)int se 0R2(configif)encapsulation pppR2(configif)endR2copy run startDestination filename [startupconfig]?Building configuration...[OK] 選擇R1按步驟測試的結(jié)果輸出R1ping Type escape sequence to abort.Sending 5, 100byte ICMP Echos to , timeout is 2 seconds:.....Success rate is 0 percent (0/5), roundtrip min/avg/max = 1/2/4 msR1debug ppp negotiationPPP protocol negotiation debugging is onR1conf tEnter configuration mands, one per line. End with CNTL/Z.R1(config)int se 0R1(configif)shut00:05:39: Se0 IPCP: State is Closed00:05:39: Se0 CDPCP: State is Closed00:05:39: Se0 PPP: Phase is TERMINATING [0 sess, 1 load]00:05:39: Se0 LCP: State is Closed00:05:39: Se0 PPP: Phase is DOWN [0 sess, 1 load]00:05:39: Se0 IPCP: Remove route to R1(configif)no shut00:05:48: Se0 PPP: Treating connection as a dedicated line00:05:48: Se0 PPP: Phase is ESTABLISHING, Active Open [0 sess, 1 load]00:05:48: Se0 LCP: O CONFREQ [Closed] id 15 len 1000:05:48: Se0 LCP: MagicNumber 0x00118F3A (0x050600118F3A)00:05:48: Se0 LCP: I CONFREQ [REQsent] id 2 len 1000:05:48: Se0 LCP: MagicNumber 0x0227C7F9 (0x05060227C7F9)00:05:48: Se0 LCP: O CONFACK [REQsent] id 2 len 1000:05:48: Se0 LCP: MagicNumber 0x0227C7F9 (0x05060227C7F9)00:05:48: Se0 LCP: I CONFACK [ACKsent] id 15 len 1000:05:48: Se0 LCP: MagicNumber 0x00118F3A (0x050600118F3A)00:05:48: Se0 LCP: State is Open00:05:48: Se0 PPP: Phase is UP [0 sess, 1 load]00:05:48: Se0 IPCP: O CONFREQ [Closed] id 2 len 1000:05:48: Se0 IPCP: Address (0x0306AC1E6601)00:05:48: Se0 CDPCP: O CONFREQ [Closed] id 2 len 400:05:48: Se0 IPCP: I CONFREQ [REQsent] id 2 len 1000:05:48: Se0 IPCP: Address (0x0306AC1E6602)00:05:48: Se0 IPCP: O CONFACK [REQsent] id 2 len 1000:05:48: Se0 IPCP: Address (0x0306AC1E6602)00:05:48: Se0 CDPCP: I CONFREQ [REQsent] id 2 len 400:05:48: Se0 CDPCP: O CONFACK [REQsent] id 2 len 400:05:48: Se0 IPCP: I CONFACK [ACKsent] id 2 len 1000:05:48: Se0 IPCP: Address (0x0306AC1E6601)00:05:48: Se0 IPCP: State is Open00:05:48: Se0 CDPCP: I CONFACK [ACKsent] id 2 len 400:05:48: Se0 CDPCP: State is Open00:05:48: Se0 IPCP: Install route to %LINK3UPDOWN: Interface Serial0, changed state to upR1(configif)end%LINK3UPDOWN: Interface Serial0, changed state to down%LINEPROTO5UPDOWN: Line protocol on Interface Serial0, changed state to downR1undebug allAll possible debugging has been turned off 實驗6 ISDN傳統(tǒng)DDR配置 網(wǎng)絡(luò)拓撲圖Router 2501 ISDN參數(shù)配置對話框 Router1配置Press Enter to StartRouterRouterenableRouterconf tEnter configuration mands, one per line. End with CNTL/Z.Router(config)host R1R1(config)ena se c1R1(config)line vty 0 4R1(configline)pass c2R1(configline)int bri 0R1(configif)ip add R1(configif)no shut%LINK3UPDOWN: Interface Bri0, changed state to upR1(configif)endR1copy run startDestination filename [startupconfig]?Building configuration...[OK] Router2配置Press Enter to StartRouterenableRouterconf tEnter configuration mands, one per line. End with CNTL/Z.Router(config)host R2R2(config)ena se c1R2(config)line vty 0 4R2(configline)pass c2R2(configline)int bri 0R2(configif)ip add R2(configif)no shut%LINK3UPDOWN: Interface Bri0, changed state to upR2(configif)endR2copy run startDestination filename [startupconfig]?Building configuration...[OK] Router1配置ISDN Legacy DDRR1conf tEnter configuration mands, one per line. End with CNTL/Z.R1(config)isdn switchtype basicniR1(config)dialerlist 1 protocol ip permitR1(config)int se 0R1(configif)encapsulation pppR1(configif)dialerstring 7782002R1(configif)dialerstring 7782001R1(configif)int se 0R1(configif)encapsulation pppR1(configif)dialerstring 7782002R1(configif)dialergroup 1R1(configif)isdn ispid 32177820010100R1(configif)endR1copy run startDestination filename [startupconfig]?Building configuration...[OK] Router2配置ISDN Legacy DDRR2conf tEnter configuration mands, one per line. End with CNTL/Z.R2(config)isdn switchtype basicniR2(config)dialerlist 1 protocol ip permitR2(config)int se 0R2(configif)encapsulation pppR2(configif)dialerstring 7782001R2(configif)dialergroup 1R2(configif)isdn spidl 32177820020100R2(configif)endR2copy run startDestination filename [startupconfig]?Building configuration...[OK] Router1測試ISDN Legacy DDR的輸出R1show isdn statusGlobal ISDN Switchtype = basicniISDN BRI0 interface dsl 0, interface ISDN Switchtype = basicni Layer 1 Status: TESTING Layer 2 Status: Layer 2 NOT Activated Layer 3 Status: 0 Active Layer 3 Call(s) Active dsl 0 CCBs = 0 The Free Channel Mask: 0x80000003 Number of L2 Discards = 0, L2 Session ID = 100 Total Allocated ISDN CCBs = 0R1debug isdn q931ISDN q931 protocol debugging is onR1ping Type escape sequence to abort.Sending 5, 100byte ICMP Echos to , timeout is 2 seconds:.....Success rate is 0 percent (0/5), roundtrip min/avg/max = 1/2/4 ms 實驗7 ISDN撥號原型配置 網(wǎng)絡(luò)拓撲圖Router 2501 ISDN參數(shù)配置對話框 Router1配置Press Enter to StartRouterRout