[openstack-dev] [Neutron] MTU configuration pain

Mike Spreitzer mspreitz at us.ibm.com
Sat Jan 23 22:28:43 UTC 2016

Adam Lawson <alawson at aqorn.com> wrote on 01/23/2016 02:27:46 PM:

> For the sake of over-simplification, is there ever a reason to NOT 
> enable jumbo frames in a cloud/SDN context where most of the traffic
> is between virtual elements that all support it? I understand that 
> some switches do not support it and traffic form the web doesn't 
> support it either but besides that, seems like a default 
> "jumboframes = 1" concept would work just fine to me.
> Then again I'm all about making OpenStack easier to consume so my 
> ideas tend to gloss over special use cases with special requirements.

Regardless of the default, there needs to be clear documentation on what 
to do for those of us who can not use jumbo frames, and it needs to work. 
That goes for production deployers and also for developers using DevStack.


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