VLAN problem on some em(4) cards
Christoph Moench-Tegeder
cmt at burggraben.net
Sun Apr 10 17:54:35 UTC 2016
## Ryan Stone (rysto32 at gmail.com):
> tcpdump on em0 will show the vlan-tagged packets if everything is working
> correctly. The fact that they are not showing up is a sign that something
> is not working correctly (or that your tcpdump filter isn't account for the
> vlan tag)
They do on the 82579LM (working) interface, but not on the 82574L
(non-working) interface. As I was working in a test setup, I
just tcpdumped "everything" (tcpdump -nevi em0).
Regards,
Christoph
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