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Date:      Sun, 4 Dec 2011 15:30:54 +0800
From:      Adrian Chadd <adrian@freebsd.org>
To:        Pawel Tyll <ptyll@nitronet.pl>
Cc:        freebsd-net@freebsd.org
Subject:   Re: VLAN and LLADDR.
Message-ID:  <CAJ-VmonN=JexsCs-MjnAVum9By84zrxVF9hEoxDOcVKp5pZFVw@mail.gmail.com>
In-Reply-To: <307826129.20111204065221@nitronet.pl>
References:  <307826129.20111204065221@nitronet.pl>

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On 4 December 2011 13:52, Pawel Tyll <ptyll@nitronet.pl> wrote:
> Hi list,
>
> Having =A0a different MAC address on vlan interface and parent interface
> requires enabling promiscuous mode. Is this a bug, or is it working as
> intended? =A0Will =A0leaving =A0promiscuous =A0mode =A0enabled indefinite=
ly hurt
> performance on gigabit em interface?

Hm, that's an interesting issue. How about writing a PR about it?

You may find some hardware lets you program in a unicast filter or a
set of local mac addresses, instead of a single station address.
(I know I can do this with my atheros wifi nics, for example.)


Adrian



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