Difference between revisions of "Loading IOS on a switch or router via the console"

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'''rommon 1 >''' '''''xmodem -c filename.bin'''''
 
'''rommon 1 >''' '''''xmodem -c filename.bin'''''
 
<br/>
 
<br/>
''Do not start the sending program yet...<br/>
+
''Do not start the sending program yet...''<br/>
File size                      Checksum      File name<br/>
+
''File size                      Checksum      File name''<br/>
18699016 bytes (0x11d5308)      0x7234        c2600-is-mz.122-15.ZJ2.bin (bad checksum: 0x6683)''<br/>
+
''18699016 bytes (0x11d5308)      0x7234        c2600-is-mz.122-15.ZJ2.bin (bad checksum: 0x6683)''<br/>
  
 
WARNING: All existing data in bootflash will be lost!
 
WARNING: All existing data in bootflash will be lost!
 
Invoke this application only for disaster recovery.
 
Invoke this application only for disaster recovery.
Do you wish to continue? y/n  [n]:  ''''y''''
+
Do you wish to continue? y/n  [n]:  '''''y'''''
 
<br/>
 
<br/>
 
Ready to receive file filename.bin ...<br/>
 
Ready to receive file filename.bin ...<br/>
now send file by clicking in file-> transfer-> xmodem<br/>
+
now send file by clicking on the top menu: file-> transfer-> xmodem<br/>

Revision as of 15:05, 24 January 2011

If the flash has been deleted / formated and there is no IOS on the switch or router, you have to copy the new IOS via the console port. this article explains the procedure using teraterm

rommon 1 > xmodem -c filename.bin
Do not start the sending program yet...
File size Checksum File name
18699016 bytes (0x11d5308) 0x7234 c2600-is-mz.122-15.ZJ2.bin (bad checksum: 0x6683)

WARNING: All existing data in bootflash will be lost! Invoke this application only for disaster recovery. Do you wish to continue? y/n [n]: y
Ready to receive file filename.bin ...
now send file by clicking on the top menu: file-> transfer-> xmodem