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It might be possible with iptables or ebtables rules, but it's not planned
that I'm aware of and it would be non-trivial to do. The current
implementation depends heavily on OVS flow rules.[1]

1. https://wiki.openstack.org/wiki/Neutron/DVR_L2_Agent

On Tue, Mar 31, 2015 at 10:37 PM, Dr. Jens Rosenboom <j.rosenboom at x-ion.de>
wrote:

> Am 01/04/15 um 04:10 schrieb Kevin Benton:
>
>> It's worth pointing out here that the in-tree OVS solution controls
>> traffic
>> using iptables on regular bridges too. The difference between the two
>> occurs when it comes to how traffic is separated into different networks.
>>
>> It's also worth noting that DVR requires OVS as well. If nobody is
>> comfortable with OVS then they can't use DVR and they won't have parity
>> with Nova network as far as floating IP resilience and performance is
>> concerned.
>>
>
> It was my understanding that the reason for this was that the first
> implementation for DVR was only done for OVS, probably because it is the
> default. Or is there some reason to assume that DVR also cannot be made to
> work with linuxbridge within Liberty?
>
> FWIW, I think I made some progress in getting [1] to work, though if
> someone could jump in and make a proper patch from my hack, that would be
> great.
>
> [1] https://review.openstack.org/168423
>
>
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-- 
Kevin Benton
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