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multiple NIC's - MAC address assignment issue


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Hello,

 

I have a bigger problem with a DS3617XS system with an Intel SC3420GP board. I use 3 NIC - 2 Intel 1GB onboard and a 10GBit Connectx-3 adapter.
Problem: I would like to use the real Mac addresses. I defined these in the grub.cfg with "set mac1 (2,3) = xxxxxxxxxxxx" too. Unfortunately, the assignment does not always work properly. If the MAC address is assigned to a 1GBit card of the 10GBit card, I do not get a 10GBit link.
How can I define in the system which NIC (eth0, 1, 2) matches which MAC address. To my knowledge, there must be a cfg in Linux, in which the NIC's are defined with ethx.
I'm grateful for any help.

 

Cheers Chris

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