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System returned to ROM by redundancy reset

On one of the 4507R Switch I see this message in show version. The switch with two sup IV engine went for a reboot last friday,

IOS used is cat4500-entservices-mz.122-31.SGA8.bin.

Does any one knows whast does this message means and is there any bug relataed to this,

Regards,

Dev

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Re: System returned to ROM by redundancy reset

Dev,

It appears that someone forced a supervisor switchover on the switch. This forces a reload of the active supervisor to the redundant supervisor. I don't see this being a bug or a problem (unless you don't know who performed this reload).

HTH,

Mark

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