Although it was written in the context of Xen, you might also want to have a
look at the netloop nloopbacks parameter as described in
<http://www.novell.com/communities/node/4094/xen-network-bridges-explained-with-troubleshooting-notes>.
On a Xen cluster with 3 physical interfaces per node I had to increase
that parameter to keep interfaces from going numb.
I don't know how this translates to the libvirt/kvm world.
Devin
--
Some people are like Slinkies: Not really good for anything, but you can't
help but smile when you see one tumble the stairs.
- Anonymous
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