Posts tagged usb

cisco: boot router from USB

posted on 2016-02-29 14:29:20

A very short walkthrough, persisting the image is inclusive:

  • "The USB Flash Module is a hardware device sold by Cisco Systems ® that provides a secondary Flash capability on Universal Serial Bus (USB) ports." (I cited cisco, from the link at the bottom of this post.)

  • "USB drivers have been added to rommon, starting with version 12.4(13r)." (Also from the cisco link.)

  • filesystem has to FAT16, since FAT32 will NOT work

  • ctrl-break (or other) to enter rommon mode

    rommon 1>? rommon 2> dir usbflash0: rommon 3> boot usbflash0: c2800nm-ipbase-mz.124-3.bin

    Router> enable Router # copy usbflash0: c2800nm-ipbase-mz.124-3.bin flash: c2800nm-ipbase-mz.124-3.bin

Here is additional information directly from Cisco.

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