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Re: Promiscuous Mode
From: "Morgan Reed" <morgan.s.reed () gmail com>
Date: Thu, 20 Mar 2008 12:27:38 +1100

On Thu, Mar 20, 2008 at 12:51 AM, Simon Templar
<73696d6f6e74656d706c617200 () googlemail com> wrote:
 I have a question concerning "Promiscuous Mode", I know what it is,
 but I would like to know exactly what is happening behind the scenes
 when I change my NIC to this mode

When promiscuous mode is disabled your NIC filters anything that isn't
destined for its MAC address.

Essentially enabling promiscuous mode allows ALL packets in regardless
of what their Destination MAC address is.

It won't make any difference on a switched network as you won't see
packets not destined for your MAC address anyway (Unless they're
broadcast packets)

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