On Thu, Apr 14, 2011 at 1:01 AM, Benoit ML <[email protected]> wrote:
> Hi,
>
> Same bridge but different vlan. Thank for your answer.
>
> Well I've done some others tests with interesting result.

Hmm, that is an interesting result.  It's possible, though it seems
unlikely, that some of the netfilter information is propagated between
the VMs and causing problems.  I have more experience with Xen than
KVM and I would be very surprised to find this, however, KVM does have
tighter coupling between guest and host so it's possible that
something is passing through.  To answer your original question
though, no, I don't know of anyone that has tested this.

Just to clarify, in the second setup you moved the firewall to the
other hypervisor and the two vlans are trunked over the GRE tunnel,
right?  So all traffic flows first to the firewall hypervisor over
GRE, back to the hub, and then back to the web hypervisor over GRE
again?  You drew a VM Web on both hypervisors, so I just wanted check.
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