Verifying IOS says signature not found in file

Discussion in 'Cisco' started by Jitin, Nov 26, 2009.

  1. Jitin

    Jitin Guest

    Hi Team,

    Whenever i upgrade an IOS i run this command to verify the file after
    the download to check the health of the file. This time for upgrading
    from 12.2(40) SG to 12.2(50) SG2 I downloaded the new IOS into the
    bootlfash and i am getting this wierd warning when i run the verify
    command and am not sure what to do with it. If you have any idea what
    it means pls let me know. I have the upgrade scheduled in a day so
    request your prompt response. The better side of the whole thing is
    that i am getting the same warning for the existing IOS (cat4500-
    ipbasek9-mz.122-40.SG.bin) as well. The switch is up since 10 weeks
    with this IOS.

    Switch-A#verify cat4500-ipbasek9-mz.122-50.SG2.bin
    CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
    Verifying file integrity of bootflash:cat4500-ipbasek9-mz.
    122-50.SG2.bin
    %WARNING: Signature not found in file bootflash:cat4500-ipbasek9-mz.
    122-50.SG2.bin.

    Switch-A#verify cat4500-ipbasek9-mz.122-40.SG.bin
    CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
    Verifying file integrity of bootflash:cat4500-ipbasek9-mz.
    122-40.SG.bin
    %WARNING: Signature not found in file bootflash:cat4500-ipbasek9-mz.
    122-40.SG.bin.
    Jitin, Nov 26, 2009
    #1
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