[Bug 616064] Re: Broken networking in kvm guests

[Serge Hallyn]

Quoting Brian Fallik (616064 at bugs.launchpad.net):
> Serge,
> 
> I've gotten the bridge configuration set up and everything seems stable
> and working after a few hours of testing.  Obviously we'll keep watching
> it over the next few days.  Thanks for the suggestion for the
> workaround.  It'd be nice to understand the issue with the original
> configuration but it looks like bridging guests with the host's physical
> Ethernet device gives us a path forward.

In your bridging setup, do you have STP on or off?  ('brctl show' should
tell you for sure)

Without a doubt, if using bridging is a workaround, we still need to
figure out why NATing is breaking for you.

Actually, hm.  Can you also paste the output of

        iptables -L

on the host?

-- 
Broken networking in kvm guests
https://bugs.launchpad.net/bugs/616064
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