On Sat, Jun 04, 2011 at 12:52:01PM -0700, JD wrote:
> On 06/04/11 12:21, Marc Haber wrote:
> > When I try the exact same thing with an exactly identically configured
> > kernel 2.6.38.7, everything is fine. 2.6.39's bridges themselves seem
> > to be OK, a KVM guest can use the very same setup just fine.
>
> Did you check you firewall (/etc/sysconfig/iptables)
> to allow all traffic to the VM's subnet?

No. It is clear that the packet filter cannot play in this game here
since

- switching back to an older kernel (with the kernel being the _only_
  change) makes things work
- KVM with identically configured networking works.

> Perhaps networking/firewall gurus have a more elegant way to set up 
> these rules.

Use ferm.

Greetings
Marc

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