I have a test virtual machine which runs CURRENT under Hyper-V. It's
amd64 r285198 now.
It can't get any response from MS DNS server. Well, it could two or
three weeks ago, but after upgrade it's not able to do it anymore.
Google DNS answers without problems meanwhile (sic!).
What I do:
# host google.ru 192.168.25.3
I see that MS DNS (192.168.25.3) server receives these packets, but
And no matter how my system asks MS DNS. Every daemon can't get response too.
I know that nothing was changed in MS DNS server. No doubt.
Then I tried different available CURRENT snapshot ISOs.
FreeBSD-11.0-CURRENT-amd64-20150630-r284969-disc1.iso - MS DNS does not answer.
FreeBSD-11.0-CURRENT-amd64-20150625-r284814-disc1.iso - MS DNS does not answer.
FreeBSD-11.0-CURRENT-amd64-20150618-r284544-disc1.iso - MS DNS answers!
So something was committed to CURRENT between 20150618 and 20150625.
This something ruins communication with MS DNS.
Then I tried latest
FreeBSD-11.0-CURRENT-amd64-20150630-r284969-disc1.iso on bare metal -
MS DNS answered!
Looks like that something is related to Hyper-V code.
Maybe it changes packets somehow? I can gather and provide more info
(tcpdump?) if you ask, it's not a problem!
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