Re: [PATCH 2/2] [e1000 VLAN] Disable vlan hw accel whenpromiscuous mode

From: David Miller
Date: Mon Nov 12 2007 - 17:57:30 EST


From: "Chris Friesen" <cfriesen@xxxxxxxxxx>
Date: Mon, 12 Nov 2007 16:43:24 -0600

> David Miller wrote:
>
> > When you select VLAN, you by definition are asking for non-VLAN
> > traffic to be elided. It is like plugging the ethernet cable
> > into one switch or another.
>
> For max functionality it seems like the raw eth device should show
> everything on the wire in promiscuous mode.
>
> If we want to sniff only the traffic for a specific vlan, we can sniff
> the vlan device.

VLAN settings are a filter of sorts, much like plugging into
one switch or another filters traffic physically.

If you don't want that filter, turn the VLAN settings off.
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