案例10：備份和恢復(fù)

案例10：備份與恢復(fù)1.案例目標(biāo)通過(guò)本案例，你可以掌握如下技能：備份CiscoIOS恢復(fù)CiscoIOS備份啟動(dòng)配置與運(yùn)行配置恢復(fù)啟動(dòng)配置與運(yùn)行配置3.設(shè)備與拓?fù)湓O(shè)備：1臺(tái)Laptop-PT，1臺(tái)Server-PT，1臺(tái)2811路由器。拓?fù)洌喝缦铝袌D。4.操作步驟步驟1：按以上拓?fù)涮砑雍瓦B接設(shè)備。步驟2：配置路由器與效勞器的IP地址Router#configureterminalR1(config)#interfaceFastEthernet0/1R1(config-if)#ipaddressR1(config-if)#注意，效勞器的IP地址可使用IPConfiguration進(jìn)行配置，簡(jiǎn)單快捷。步驟3：驗(yàn)證路由器與效勞器之間的連通性Typeescapesequencetoabort.Sending5,100-byteICMPEchosto,timeoutis2seconds:!!!!!Successrateis100percent(5/5),round-tripmin/avg/max=31/31/32msR1#步驟4：查看路由器flash中的CiscoIOS鏡像R1#shflash:Systemflashdirectory:FileLengthName/status350938004228282sigdef-category.xml1227537sigdef-default.xml[51193823bytesused,12822561available,64016384total]63488KbytesofprocessorboardSystemflash(Read/Write)R1#//注意CiscoIOS鏡像的大小與文件名步驟5：備份CiscoIOS到TFTP效勞器R1#copyflash:tftp:Sourcefilename[]?Addressornameofremotehost[]? //TFTP效勞器地址Destinationfilename[c2800nm-advipservicesk9-mz.124-15.T1.bin]?Writingc2800nm-advipservicesk9-mz.124-15.T1.bin...!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!………[OK-50938004bytes]50938004bytescopiedin27.828secs(1830000bytes/sec)R1#步驟6：在TFTP效勞器上驗(yàn)證備份翻開(kāi)效勞器的Config頁(yè)面，單擊TFTP按鈕，可見(jiàn)右邊窗口已有備份的CiscoIOS鏡像。步驟7：從TFTP效勞器恢復(fù)〔升級(jí)〕CiscoIOS假設(shè)TFTP效勞器上要想恢復(fù)或升級(jí)的CiscoIOS鏡像是：R1#copytftp:flash:Addressornameofremotehost[]? //TFTP效勞器地址Sourcefilename[]?Destinationfilename[c2800nm-ipbase-mz.123-14.T7.bin]?:!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!![OK-5571584bytes]5571584bytescopiedin3.268secs(390641bytes/sec)R1#步驟8：驗(yàn)證恢復(fù)或升級(jí)R1#shflash:Systemflashdirectory:FileLengthName/status65571584c2800nm228282sigdef-category.xml1227537sigdef-default.xml[56765407bytesused,7250977available,64016384total]63488KbytesofprocessorboardSystemflash(Read/Write)R1#步驟9：驗(yàn)證NVRAM中的啟動(dòng)配置和運(yùn)行配置R1#dirnvram:Directoryofnvram:/238-rw-490<nodate>startup-config490bytestotal(237588bytesfree)R1#//注意啟動(dòng)配置的文件名及其長(zhǎng)度。R1#shrunBuildingconfiguration...Currentconfiguration:548bytes //運(yùn)行配置的長(zhǎng)度………R1#R1#shstartUsing548bytes //啟動(dòng)配置的長(zhǎng)度!version12.3………R1#步驟10：備份啟動(dòng)配置與運(yùn)行配置備份啟動(dòng)配置R1#copystartup-configtftp:Addressornameofremotehost[]?Destinationfilename[R1-confg]?R1-startup-configWritingstartup-config...!![OK-548bytes]548bytescopiedin0.062secs(8000bytes/sec)R1#備份運(yùn)行配置R1#copyrunning-configtftp:Addressornameofremotehost[]?Destinationfilename[R1-confg]?R1-running-configWritingrunning-config...!![OK-548bytes]548bytescopiedin0.063secs(8000bytes/sec)R1#在TFTP效勞器上驗(yàn)證備份翻開(kāi)效勞器的Config頁(yè)面，單擊TFTP按鈕，可見(jiàn)右邊窗口已有備份的啟動(dòng)和運(yùn)行配置。步驟11：恢復(fù)啟動(dòng)配置與運(yùn)行配置恢復(fù)到啟動(dòng)配置R1#copytftp:startup-configAddressornameofremotehost[]?Sourcefilename[]?R1-startup-configDestinationfilename[startup-config]?:![OK-548bytes]548bytescopiedin0.032secs(17125bytes/sec)R1#恢復(fù)到運(yùn)行配置R1#copytftp:running-configAddressornameof