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Hi i am trying to copy an image from my ftp server onto a nexus 3500 switch (N3K-C3048TP-1GE) but the switch will not let me access the bootflash at all, is there anything I can do to recover the bootflash or boot into the device?

Screenshot

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    Your device is broken. Contact Cisco TAC.
    – Ricky
    Aug 5 '15 at 2:40
  • I was able to access the bootflash, using the init-system command and copy the kick start and system images across but I now cant boot any of the images, the error message "Size of image (37749919) not equal to size derived from the image (0), aborting" anyone seen this problem before? Aug 5 '15 at 3:07
  • do you have to format the flash first? something like Router# erase slot0:, or Router# format flash:? Aug 5 '15 at 3:14
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I wonder if someone is looking at this problem years later...

In my case, this issue is related to firmware settings. For NX-OS releases 7.x, the first boot option should not be "FwBoot" but "EFI Shell". Swapping the priority will resolve the issue.

I don't know if this is the same situation for NX-OS 6 (likely not), but you can try.

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  • 我可以找你吗?我也是中国人,可以吗?
    – aircraft
    Nov 16 '18 at 9:00

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