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Re: IPv6-capable pfinet

From: Stefan Siegl
Subject: Re: IPv6-capable pfinet
Date: Mon, 8 Oct 2007 17:48:45 +0200
User-agent: Mutt/1.5.13 (2006-08-11)


On Mon, Oct 08, 2007 at 12:07:33PM +0200, Thomas Schwinge wrote:
> On Sun, Oct 07, 2007 at 07:24:41PM +0200, Stefan Siegl wrote:
> > 2007-10-07  Stefan Siegl  <stesie@brokenpipe.de>
> > 
> >     * linux/dev/glue/net.c (device_open): Set LINUX_IFF_ALLMULTI flag
> >     on device and propagate.
> Is there any downside that would stop us from unconditionally applying
> this?

I can't think of any problems that could arise from doing so.  One thing
that might happen, if you don't use a IPv6-enabled pfinet, is that your
Mach kernel receives such a packet and the pfinet would have to discard

Since in a IPv4-only network multicast packets aren't common, it
shouldn't be problematic there.  

Furthermore mind, that GNU/Linux systems nowadays default to enable
multicast reception even also.


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