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Re: [Xen-users] Xen's interface in promiscuous mode

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Subject: Re: [Xen-users] Xen's interface in promiscuous mode
From: "Ricardo J. Barberis" <ricardo.barberis@xxxxxxxxxxxx>
Date: Thu, 26 Feb 2009 12:58:55 -0200
Cc: James Harper <james.harper@xxxxxxxxxxxxxxxx>
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El Miércoles 25 Febrero 2009, James Harper escribió:
> > El Lunes 23 Febrero 2009, James Harper escribió:
> > > The physical network adapters in Dom0 will be in promiscuous mode if
> > > they are joined to a bridge.
> > >
> > > The virtual network adapters in DomU are in promiscuous modem because
> > > (as of the version of Xen in Lenny) they don't support multicast, and
> > > so the only way they can receive multicast packets is to be in
> > > promiscuous mode.
> > >
> > > As of 3.3.0 or thereabouts, there is a way for the frontend to tell the
> > > backend which multicast packets it is interested in, so the behaviour
> > > may be different there.
> >
> > Hi James,
> >
> > Can you elaborate on that, or give a link to read more about it?
> Unless someone has written up some docs, your best bet is to look at the
> code - specifically the headers in xen/include/public/io
> James

OK, despite my limited C knowledge I'll have to digg in :-)

Thank you,
Ricardo J. Barberis
Senior SysAdmin - I+D
Dattatec.com :: Soluciones de Web Hosting

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