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Date: Mon, 12 Sep 2005 11:50:46 +0200
From: =?ISO-8859-1?Q?Sten_Daniel_S=F8rsdal?= <lists@wm-access.no>
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To: Chuck Swiger <cswiger@mac.com>
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Cc: freebsd-isp@freebsd.org, aaron.glenn@gmail.com
Subject: Re: VLAN interfaces on FreeBSD; performance issues
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Chuck Swiger wrote:
> Aaron Glenn wrote:
> 
>> On 9/10/05, Chuck Swiger <cswiger@mac.com> wrote:
>>
>>> You cannot truthfully multihome a machine with a single NIC.
>>
>>
>> Why not?
> 
> 
> Because you cannot put one NIC into two genuinely distinct layer-2
> collision domains.  Spanning Tree Protocol won't recognize a single NIC
> as a potential connection or loop, depending.
> 

A vlan should be a seen as a single nic.
On other platforms, STP considers vlans as independant nics.
But would it be multihoming if you are just bridging the vlans?
I thought the essence of multihoming was multiple ip networks to which
it was a member.

-- 
Sten Daniel Sørsdal