Loading IOS on a switch or router via the console

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Revision as of 14:14, 24 January 2011 by Stephan (talk | contribs)
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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 loading the IOS immage c2600-is-mz.122-15.ZJ2.bin on a cisco26xx router using teraterm

rommon 1 > xmodem -c c2600-is-mz.122-15.ZJ2.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 c2600-is-mz.122-15.ZJ2.bin ...

now send file by clicking on the top menu: file-> transfer-> send-> xmodem - and chose the file from your local directory
the transfer should start now.