首先啟動Cisco TFTP Server，并把TFTP server root指定到目錄"D:LCCNA LAB/IOS"下，保持其開啟狀態。
監測清單2-7備份和升級IOS映像的實驗操作過程記錄。
監測清單2-7備份和升級IOS映像
Router#sh Flash System flash Directory: File Length Name/status 1 c2501-d-1,121-8a.mz [4289668 bytes used, 4098940 available, 8388608 total] 8192K bytes of PRocessor board System flash (Read/Write) Router#copy flash tftp Source filename []? c2500-d-1.121-8a.mz Address or name of remote host []? 172.16.162.58 Destination filename [c2500-d-1.121-8a.mz]? (按回車鍵確認) !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!! 4289602 bytes copied m 62.320 secs (69187 bytes/sec) Router#
Router#copy tftp flash Address or name of remote host []? 172.16.16258 Source filename []? c2500-d-1.121-8a.mz Destination filename [c2500-d-1.121-8a.mz]? (按回車鍵確認) %Waming:There is a file already existing with this name Do you want to over write? [confirm] (按回車鍵確認) accessing tftp://172.16.162.58/c2500-d-1.121-8a.mz... Erase flash: befeor copying?[confirm] (按回車鍵確認) Erasing the flash filesystem will remove all files! Continue? [confirm] (按回車鍵確認) Erasing.device...eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee...erased Erase of flash:complete Loading c2500-d-1.121-8a.mz from 172.16.162.58(via Ethernet0):!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!! [OK-4289602/8579072bytes]
Verifying checksum,.. OK(OxC766) 4289602 bytes copied in 100.896secs(42896bytes/sec) Router#reload Proceed with reload? [confirm] (按回車鍵確認)
13:41:30: %SYS-5-RELOAD: Reload requested System Bootstrap, Version 5.2(8a), RELEASE SOFTWARE Copyright (c) 1986-1995 by cisco Systems
