[ovs-discuss] vxlan udp csum and openstack ovs performance

Jesse Gross jesse at kernel.org
Fri Jan 22 04:49:13 UTC 2016

On Thu, Jan 21, 2016 at 7:41 PM, 康敬亭 <jingting at unitedstack.com> wrote:
> Hi Gross:
>     Thank you for your reply.
>     I know that OVS2.4 already supports vxlan csum,and I create a port in
> accordance with the following command:
>     “ovs-vsctl add-port ovs-vx vxlan0 -- set interface vxlan0 type=vxlan
> options:remote_ip= options:dst_port=4789 options:key=9
> 9 options:csum=true”
>     But I found no effect with vxlan performance,so I try to do it with
> coding.
>     what do you suggest how to do it.

The above syntax is correct, so modifying the code shouldn't have any
effect. What kernel are you running this on (both sender and
receiver)? Is this the OVS out-of-tree or upstream module?

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