OVN / OVS Gateway offload using ConnectX-6


I need some help offloading traffic on an OVN / OVS External GW

The diagram below provides a high level reference for what I am trying to achieve

The reference architecture for provider networks is outlined here:

I’m not using Openstack at all here , just OVN , by configuring the logical topology in ovn-northd .

Does anyone have an example configuration showing how the ConnectX-6 card should be configured on the gateway chassis to achieve full hardware offload?
If I use separate physical interfaces for the geneve tunnel and the provider interface , Nvidia tell me that cross port offload is not supported. Has anyone ever achieved full offload on a gateway using these cards?

Nvidia have no ready solution, you can check on openstack or OVS forum.

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