Hello!
I have a rather bizarre problem with my on-board sk interface... It only
works, when tcpdump is running...
Seriously. It negotiates with the switch (1000baseT/full-duplex) just
fine, but, unless tcpdump has it open (and in "promiscuous" mode), no
traffic seems to go through. It would not respond to pings -- not even
from the switch itself, nothing.
But, as soon as I start tcpdump -- even if tcpdump never has anything to
output:
tcpdump -i sk0 -n src host 10.non.existent.IP
Traffic starts flowing just fine... Do I simply have flaky hardware? The
motherboard is old, and, for some reason, I need to "remind" sk0, what
its ethernet address upon reboote (it starts off with 00:00:00:00:00:00).
Any other explanations for what is happening? There are plenty of other
systems (computers, VoIP phone, two TVs) on this switch and all are
fine... I did try different ports on it -- same results. I also tried
forcing things down to 100/half-duplex -- no change...
Thanks! Yours,
-mi
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