I found good advice while googling the item:
ad_select=bandwidth xmit_hash_policy=layer2+3

This killed any difference in motherboard behavior - both Intel and
SuperMicro now look the same.
Nice balancing for parallel reading or writing - both interfaces are
working.
But when one client is reading and another - writing, the traffic from
both of them goes through one LAN interface.


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andy_s
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