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1721 ROMmon

I went into ROMmon recovery and issued the command dir flash: I received the reply " device does not contain a valid magic number" Can anyone help me out with this?

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New Member

Re: 1721 ROMmon

From what i understood about this problem is that the flash device is not properly formatted, and needs to be formatted.

It seems to be that you can only do this form a working ios this means you will have to boot from tftp to format it.

http://www.cisco.com/en/US/products/hw/routers/ps221/products_configuration_guide_chapter09186a008007cd0e.html#xtocid5

could help you with rommon command syntaxes

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