From mboxrd@z Thu Jan  1 00:00:00 1970
From: Krzysztof Halasa <khc@pm.waw.pl>
Subject: Re: Linux, tcpdump and vlan
Date: Thu, 19 Jul 2007 17:45:13 +0200
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Cc: Patrick McHardy <kaber@trash.net>,
	andrei radulescu-banu <iubica2@yahoo.com>,
	linux-kernel@vger.kernel.org,
	Linux Netdev List <netdev@vger.kernel.org>
To: Stephen Hemminger <shemminger@linux-foundation.org>
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In-Reply-To: <20070719160033.628f39e1@oldman.hamilton.local> (Stephen Hemminger's message of "Thu, 19 Jul 2007 16:00:33 +0100")
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Stephen Hemminger <shemminger@linux-foundation.org> writes:

> Not at runtime, acceleration is always on if you compile kernel with vlan
> support.  That is a design mistake as far as I can tell.

I think so.

>> However seeing unknown tags on master device (with tcpdump etc)
>> would certainly be useful.
>
> Only in promiscuous mode. In some sense tag is part of the mac address.

Well, in "some sense" maybe, though the MAC address is rather
strictly defined to be a 6-octet value. I can live with
promiscous anyway, it's really minor issue.
-- 
Krzysztof Halasa