On 16 Sep 2018, at 23:05, Eric van Gyzen wrote:
On 9/15/18 1:06 AM, Kurt Jaeger wrote:
Can you disable all the options of the NIC ?
ifconfig igb0 -rxcsum -txcsum -wol -tso4 -vlanmtu -vlanhwtag
-vlanhwcsum -vlanhwtso
Try to disable everything that can be disabled, e.g. LRO etc.
Disabling vlanhwtag works around the problem.
Also note that only DHCP traffic has this problem. If I assign an
address manually, all traffic flows normally. Maybe the problem is in
the BPF send path.
I had a similar issue, where -vlanhwtag also fixed it.
That was on a I210 (gib) card (in a FreeNAS mini XL).
Regards,
Kristof
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