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Date: Thu, 24 Jan 2013 17:19:05 -0700 (MST)
From: Warren Block <wblock@wonkity.com>
To: h bagade <bagadeh@gmail.com>
Subject: Re: how to completely makes an interface down?
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On Thu, 24 Jan 2013, h bagade wrote:

> I'm searching for a method or configuration which when I make the interface
> down, the led goes off. Currently the led still remains on when I shutdowns
> the interface! Is there any way to do this?

em(4) mentions controlling the card LEDs.  I have not tried it, though.