[libvirt] [PATCH] nwfilter: let qemu's after-migration packet pass

Stefan Berger stefanb at us.ibm.com
Tue Apr 27 18:36:12 UTC 2010


Eric Blake <eblake at redhat.com> wrote on 04/27/2010 01:51:09 PM:

> 
> On 04/27/2010 10:03 AM, Stefan Berger wrote:
> > Qemu currently sends an Ethernet packet with protocol id 0x835 once a 
VM
> > was successfully migrated. The content of the packet looks like a
> > gratuitous RARP, just with the wrong protocol ID, which should be
> > 0x8035.
> 
> Have you reported this upstream to qemu?

Yes, Anthony knows about it and I sent at least a patch to the qemu 
mailing list.

> 
> > I wrote some filters to let either one of the packets pass and
> > am adapting the clean-traffic sample filter to use it. I am also
> > doing some changes on the existing ARP filter which was lacking a
> > test for source MAC address.
> > 
> 
> ACK.


Thanks.

   Stefan

> 
> -- 
> Eric Blake   eblake at redhat.com    +1-801-349-2682
> Libvirt virtualization library http://libvirt.org
> 
> [attachment "signature.asc" deleted by Stefan Berger/Watson/IBM] 
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