Date: Fri, 2 Aug 2024 17:58:44 -0700 From: Bakul Shah <bakul@iitbombay.org> To: Alex Arslan <ararslan@comcast.net> Cc: FreeBSD Hackers <freebsd-hackers@freebsd.org> Subject: Re: Diagnosing virtual machine network issues Message-ID: <1532517A-7BD4-42F8-828D-5E1840A10853@iitbombay.org> In-Reply-To: <DB67A5F9-1B15-482F-AD12-0FD4547EC0D0@comcast.net> References: <FA265FAA-216D-4DCC-92C0-50017C17F7DE@comcast.net> <4a5a177a-5356-453c-8a09-f1d63d5d2e16@sentex.net> <4AB1C33B-DD93-4484-B63A-9FF8FE612B15@comcast.net> <E72DA395-3C66-4520-B58B-31C19E7462A3@comcast.net> <799c7a15-52b8-4b44-bcbd-5ab6a3ef97a6@gmail.com> <0747ED5F-2ED6-461C-9C0B-CFD0EE480D82@comcast.net> <2B0A1E6F-7B89-4F7C-9ECE-ABA94E476D5A@iitbombay.org> <A9069EB9-2CFE-4A9A-98AD-2C8085873163@comcast.net> <DB67A5F9-1B15-482F-AD12-0FD4547EC0D0@comcast.net>
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On Aug 2, 2024, at 3:52=E2=80=AFPM, Alex Arslan <ararslan@comcast.net> = wrote: >=20 >> Just a comment and a name server line: >>=20 >> $ cat /etc/resolv.conf >> # Generated by resolvconf >> nameserver 192.168.122.1 >=20 > I believe that is the host IP, so I guess the VM is using the host for = DNS > resolution? Interestingly, if I add `nameserver 8.8.8.8` below the = line > with the host IP, it takes 10 seconds rather than 30 to reach the = expected > domain resolution failure. If I put 8.8.8.8 above the host IP, the = domain > resolution failure is instantaneous. What does your host use as a namesever? > Not a particularly satisfying conclusion to this saga as I don't = understand > why it's happening but at least I have a workaround that should = hopefully > do the job. I really appreciate everyone's help and input thus far! >=20 > What's the best way to add `nameserver 8.8.8.8` to /etc/resolv.conf as > part of the VM's configuration? You should diagnose the problem of the nameserver at 192.168.122.1 and fix it to act properly. I don't use vm (just bhyve) so can't help you with its config.
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