On 4/11/25 20:03, Manuel Bouyer wrote:
If tcpdump doens't shows the replies to arp requests either they're not making it to the ethernet port, or the mcx driver is broken with promiscious mode.
Two more data points: Disabling all the mcx(4) hardware options does not make a difference, and there are no obvious related differences between the netbsd-10 dev/pci/if_mcx.c rev. 1.25.4.2 and the upstream (OpenBSD) rev. 1.119.
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