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.
Eric
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