As following topology, two VMs communicate via VXLAN tunnel.
TCP pkts may be droped for exceeding the MTU of host DPDK port in br2.
Now I can change the VMs' MTU from default to smaller to accommodate the
traffics, it works well.
The way I have not find to change mtu of DPDK phy port, is there a
blueprint for supporting this by ovs, like "ovs-appctl
netdev-dpdk/set-xxx" or another way?
Host1 | Host2
(l-ip)- L3 -(r-ip)
----- ----- ----- | ----- ----- ----- -----
|VM1| --|br1|Vxlan --|br2|DPDK---DPDK|br2|--Vxlan|br2|--|br1|--|VM2|
----- ----- ----- | ----- ----- ----- -----
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