Cisco IOS
Update
, IOS Cisco. IOS , , .
, , IOS , show version
Router#show version Cisco IOS Software, 2800 Software (C2800NM-ADVIPSERVICESK9-M), Version 12.4(15)T1, RELEASE SOFTWARE (fc2) Technical Support: http://www.cisco.com/techsupport Copyright (c) 1986-2007 by Cisco Systems, Inc. Compiled Wed 18-Jul-07 06:21 by pt_rel_team ROM: System Bootstrap, Version 12.1(3r)T2, RELEASE SOFTWARE (fc1) Copyright (c) 2000 by cisco Systems, Inc.
flash , IOS, show flash.
Router#show flash System flash directory: File Length Name/status 3 50938004 c2800nm-advipservicesk9-mz.124-15.T1.bin 2 28282 sigdef-category.xml 1 227537 sigdef-default.xml [51193823 bytes used, 12822561 available, 64016384 total] 63488K bytes of processor board System flash (Read/Write)
, IOS - c2800nm-advipservicesk9-mz.124-15.T1.bin 50 64, 12 flash . , . delete /force /recursive flash:_.
Router# delete /force /recursive flash:c2800nm-advipservicesk9-mz.124-15.T1.bin
IOS TFTP FTP . copy [] [] . IP TFTP , .
Router#copy tftp: flash: >Address or name of remote host []? 192.168.1.2 >Source filename []? c2800nm-advipservicesk9-mz.151-4.m12a.bin >Destination filename [c2800nm-advipservicesk9-mz.151-4.m12a.bin]? Accessing tftp://192.168.1.2/ c2800nm-advipservicesk9-mz.151-4.m12a.bin Loading c2800nm-advipservicesk9-mz.151-4.m12a.bin from 192.168.1.2 (via FastEthernet0/0): !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
dir flash
Router#dir flash Directory of flash:/ 3 -rw- 50938004c2800nm-advipservicesk9-mz.151-4.m12a.bin 2 -rw- 28282 sigdef-category.xml 1 -rw- 227537 sigdef-default.xml 64016384 bytes total (58188981 bytes free)
, MD5 , , Cisco.
Router#verify /md5 flash:c2800nm-adventerprisek9-mz.151-4.M12a.bin .................Done! verify /md5 (flash:c2800nm-adventerprisek9-mz.151-4.M12a.bin) = fcdaeb55b292534e97ecc29a394d35aa
flash IOS, boot system .
Router(config)#boot system flash:c2800nm-adventerprisek9-mz.151-4.M12a.bin
reload, . show version System image file is.
System image file is "flash:c2800nm-adventerprisek9-mz.151-4.M12a.bin"
IOS, , .