netdev - Re: recommended way to support duplicate IP addresses on different VLANs?

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Message-ID: <4E1B1B33.5060300@genband.com>
Date:	Mon, 11 Jul 2011 09:48:03 -0600
From:	Chris Friesen <chris.friesen@...band.com>
To:	Rémi Denis-Courmont <remi@...lab.net>
CC:	Chris Friesen <cbf123@...l.usask.ca>, netdev@...r.kernel.org
Subject: Re: recommended way to support duplicate IP addresses on different
 VLANs?

On 07/11/2011 09:04 AM, Rémi Denis-Courmont wrote:
> Le lundi 11 juillet 2011 17:58:14 Chris Friesen, vous avez écrit :
>> Hi all,
>>
>> We've got a server that sits on multiple VLANs.  Each VLAN is segregated
>> and doesn't know about the others.  The IP address ranges in each of the
>> VLANs may overlap, and the server may be assigned the same IP address in
>> multiple VLANs.

>> Is there any other way to deal with this scenario?

> Or then binding sockets to devices (SO_BINDTODEVICE) might work.

Hmm...SO_BINDTODEVICE looks interesting.  I would imagine we'd still 
need to do some funky stuff around ARP handling.

Chris

-- 
Chris Friesen
Software Developer
GENBAND
chris.friesen@...band.com
www.genband.com
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