【正文】 face FastEthernet0/0, changed state to upR1(configif)int f0/1R1(configif)ip add R1(configif)no shut%LINK5CHANGED: Interface FastEthernet0/1, changed state to up%LINEPROTO5UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to upR1(configif)exitR1(config)router ospf 100R1(configrouter)network area 0R1(configrouter)network area 0R1(configrouter)network area 0R1(configrouter)network area 0R1(configrouter)exitR1(config)exitR1show ip routeCodes: C connected, S static, I IGRP, R RIP, M mobile, B BGP D EIGRP, EX EIGRP external, O OSPF, IA OSPF inter area N1 OSPF NSSA external type 1, N2 OSPF NSSA external type 2 E1 OSPF external type 1, E2 OSPF external type 2, E EGP i ISIS, L1 ISIS level1, L2 ISIS level2, ia ISIS inter area * candidate default, U peruser static route, o ODR P periodic downloaded static routeGateway of last resort is not set , 2 subnetsO [110/128] via , 00:12:18, Serial0/0/0O [110/129] via , 00:10:21, Serial0/0/0O [110/65] via , 00:12:18, Serial0/0/0C , Serial0/0/0C , Serial0/0/1O [110/65] via , 00:12:18, Serial0/0/0C , FastEthernet0/0C , FastEthernet0/1O [110/66] via , 00:04:36, Serial0/0/0O [110/192] via , 00:10:01, Serial0/0/0O [110/193] via , 00:08:32, Serial0/0/0R1conf tR1(config)accesslist 10 deny R1(config)accesslist 10 permit anyR1(config)int f0/1R1(configif)ip accessgroup 10 outR2:RouterRouterenRouterconf tEnter configuration mands, one per line. End with CNTL/Z.Router(config)hostname R2R2(config)enable secret R2R2(config)int s0/0/1R2(configif)ip add R2(configif)clock rate 64000R2(configif)no shut%LINK5CHANGED: Interface Serial0/0/1, changed state to upR2(configif)%LINEPROTO5UPDOWN: Line protocol on Interface Serial0/0/1, changed state to upR2(configif)int s0/0/0R2(configif)ip add R2(configif)no shut%LINK5CHANGED: Interface Serial0/0/0, changed state to downR2(configif)int f0/0R2(configif)ip add R2(configif)no shut%LINK5CHANGED: Interface FastEthernet0/0, changed state to up%LINEPROTO5UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to upR2(configif)exitR2(config)router ospf 100R2(configrouter)network area 0R2(configrouter)network area 0R2(configrouter)network area 0R2(configrouter)endR2show ip routeCodes: C connected, S static, I IGRP, R RIP, M mobile, B BGP D EIGRP, EX EIGRP external, O OSPF, IA OSPF inter area N1 OSPF NSSA external type 1, N2 OSPF NSSA external type 2 E1 OSPF external type 1, E2 OSPF external type 2, E EGP i ISIS, L1 ISIS level1, L2 ISIS level2, ia ISIS inter area * candidate default, U peruser static route, o ODR P periodic downloaded static routeGateway of last resort is not set , 2 subnetsC is directly connected, Serial0/0/1C is directly connected, FastEthernet0/0O [110/65] via , 00:11:05, Serial0/0/1O [110/128] via , 00:11:05, Serial0/0/1O [110/128] via , 00:11:05, Serial0/0/1O [110/65] via , 00:11:05, Serial0/0/1O [110/129] via , 00:11:05, Serial0/0/1O [110/129] via , 00:11:05, Serial0/0/1O [110/66] via , 00:05:14, Serial0/0/1C , Serial0/0/0O [110/65] via , 00:09:07, Serial0/0/0R2R2(config)accesslist 2 deny R2(config)accesslist 2 permit anyR2(config)int f0/1R2(configif)ip accessgroup 2 outR2(configif)%SYS5CONFIG_I: Configured from console by consoleR2R3:RouterRouterenRouterconf tEnter configuration mands, one per line. End with CNTL/Z.Router(config)hostname R3R3(config)enable secret R3R3(config)int s0/0/0R3(configif)ip add R3(configif)clock rate 64000R3(configif)no shut%LINK5CHANGED: Interface Serial0/0/0, changed state to upR3(configif)%LINEPROTO5UPDOWN: Line protocol on Interface Serial0/0/0, changed state to upR3(configif)int f0/0R3(configif)ip add R3(configif)no shut%LINK5CHANGED: Interface FastEthernet0/0, changed state to up%LINEPROTO5UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to upR3(configif)exitR3(config)router ospf 100R3(configrouter)network area 0R3(configrouter)network area 0R3(configrouter)exitR3(config)exitR3show ip routeCodes: C connected, S static, I IGRP, R RIP, M mobile, B BGP D EIGRP, EX EIGRP external, O OSPF, IA OSPF inter area N1 OSPF NSSA external type 1, N2 OSPF NSSA external type 2 E1 OSPF external type 1, E2 OSPF external type 2, E EGP i ISIS, L1 ISIS level1, L2 ISIS level2, ia ISIS inter area * candidate default, U peruser static route, o ODR P periodic downloaded static routeGateway of last resort is not set , 2 subnetsO [110/128] via , 00:00:16, Serial0/0/0O [110/65] via , 00:00:16, Serial0/0/0O [110/129] via , 00:00:16, Serial0/0/0O [110/192] via , 00:00:16, Serial0/0/0O [110/192] via , 00:00:16, Serial0/0/0O [110/129] via , 00:00:16, 。nbsp。amp。/tdtd接口amp。在他不在學(xué)校的時候，每當我遇到解決不了的問題時，給他打電話、發(fā)短信或郵件，他都會及時給我解決。圖528 重置按鈕測試結(jié)果（3）檢查成績，檢查配置完成后的成績，同時顯示了已完成的和未完成的配置，如圖530所示。515 配置窗口反饋測試結(jié)果方式：點擊題目顯示窗口有個Check Result的按鈕，及打開了窗口如圖516所示：圖516 測試結(jié)果檢查2. 系統(tǒng)管理密碼設(shè)置結(jié)果如圖517所示。以Corp為例，給Corp命名為Corp，密碼設(shè)置為Corp，如圖53所示。（7）測試網(wǎng)絡(luò)最后的連通性。它也可以應(yīng)用到防火墻技術(shù)里，把個別IP地址隱藏起來不被外界發(fā)現(xiàn)，使外界無法直接訪問內(nèi)部網(wǎng)絡(luò)設(shè)備，同時，它還幫助網(wǎng)絡(luò)可以超越地址的限制，合理地安排網(wǎng)絡(luò)中的公有Internet 地址和私有IP地址的使用[17]。IP地址分為A、B、C、D、E五類，A、B（前2位10）、C（前3位110）類地址網(wǎng)絡(luò)部分分別占3個字節(jié)；D類地址（前4位1110）用于多播；E類地址（前4位1111）保留為以后用[14]。圖32 Activity Wizard窗口圖32中所示，黃色區(qū)域中有10個選項卡，其中紅色標記圈出的是最為重要的，這5個選項的功能如表32