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From: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] [PATCH RFC] net: add a flag to disable mac/vlan
	filtering
Date: Tue, 9 Mar 2010 15:54:41 +0000
References: <20100309131544.GA15319@redhat.com>
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To: qemu-devel@nongnu.org
Cc: "Michael S. Tsirkin" <mst@redhat.com>, Alex Williamson <alex.williamson@hp.com>, Andreas Plesner Jacobsen <apj@mutt.dk>

> > Can't this be achieved by just disabling the feature bits?  IOW,
> >
> > ctrl_vq=0,ctrl_vlan=0?
> 
> Michael still wants the guest to populate the MAC filter table so that
> we can use it to announce MACs on the bridge, especially after a
> migration.

We don't do that to start with.  We only set gratuitous ARPs for the MAC 
address of the emulated NIC.  I'm not convinced anything else is useful.

Paul