[openstack-dev] [neutron][kilo] - vxlan's max bandwidth

Ihar Hrachyshka ihrachys at redhat.com
Mon Apr 18 06:58:33 UTC 2016

Sławek Kapłoński <slawek at kaplonski.pl> wrote:

> Hello,
> What MTU have You got configured on VMs? I had issue with performance on
> vxlan network with standard MTU (1500) but when I configured Jumbo
> frames on vms and on hosts then it was much better.

Right. Note that custom MTU works out of the box only starting from Mitaka.  
You can find details on how to configure Neutron for Jumbo frames in the  
official docs:


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