[Openstack] [Ask-OpenStack] Why is Liberty Neutron DVR so slow?

Matt DePorter mattd at iplantcollaborative.org
Mon Apr 25 17:37:44 UTC 2016


Our network is managed via the University, so we do not have control over
our MTU, but it should be configured the same across the board.

I am using VXLAN on a FEX switch.

On Mon, Apr 25, 2016 at 10:33 AM, Erdősi Péter <fazy at niif.hu> wrote:

> Hy!
>
> 2016. 04. 25. 19:15 keltezéssel, Matt DePorter írta:
>
>> Hey,
>> Looking for someone to take a look at my question on Ask. Never posted
>> here before, and am running into issues configuring HA OpenStack using
>> Neutron DVR
>>
>>
>> https://ask.openstack.org/en/question/91489/why-is-liberty-neutron-dvr-so-slow/
>>
>> Any help would be much appreciated.  I am at the conference this week,
>> will buy you a beer if you were willing to help!
>>
>> Do you have properly configured MTU all over the path (increase in all
> switch/host, or decrase on guest)
> If you have vxlan or gre tunnel, this can be your bottleneck...
>
> Regards,
>  Peter
>
>


-- 
Matt DePorter
University of Arizona
iPlant Collaborative
Core Services - DevOps Engineer
Phone: 520-626-1496
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