[ovs-discuss] Connecting two servers over layer 2 openvswitch without encapsulation

Ben Pfaff blp at ovn.org
Fri Nov 13 05:44:21 UTC 2020

On Fri, Nov 13, 2020 at 05:29:10AM +0000, Gilbert Standen wrote:
> So this may be a very dumb question, but is there any way to connect
> two separate physical servers with layer 2 openvswitches on each
> separate server over a physical layer 3 network without using an
> encapsulation scheme (e.g. GRE, VXLAN, etc) ?  There are many
> workloads that are somewhat hobbled by having to use MTU other than
> 1500 or 9000, such as database workloads, and so I'm asking this
> probably dumb question, because just me, I cannot see how it is
> possible to avoid encapsulation when pushing data between servers over
> a layer 2 network running on a physical layer 3 network, but I thought
> I would ask anyway.  Thanks, Gilbert

It appears that you have described what networks do anyway.  No special
configuration is needed.

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