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Date: Fri, 12 Oct 2007 08:46:53 +1300
From: Andrew Thompson <thompsa@FreeBSD.org>
To: Jon Otterholm <jon.otterholm@ide.resurscentrum.se>
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Cc: freebsd-net@freebsd.org
Subject: Re: if_bridge on a vlan-trunk
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On Thu, Oct 11, 2007 at 09:42:15PM +0200, Jon Otterholm wrote:
> Hi.
> 
> Does anyone know if it is possible to put a transparent bridge on a
> vlan-trunk?

As from rev1.100 of if_bridge back in June it will correctly use the
vlan number if the forwarding table so it is now possible to bridge a
vlan trunk. Is this all you need? (7+ only, it wont be in 6-stable)


> A working solution is to create a bridge for each vlan, but I would
> prefer to have one bridge instead of several hundreds of them.
> 
> Is this doable?
> 
> In my lab environment I use a dual em(4) nic.
> 
> What would the drawbacks be if I create ~1500 if_bridge and attached
> each vlan-sub-if from each physical interface to their own bridge? Would
> this work?
> 
> //Jon
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