Date: Thu, 5 Nov 2015 08:31:15 +0600 From: Victor Sudakov <vas@mpeks.tomsk.su> To: Neel Natu <neelnatu@gmail.com> Cc: freebsd-net <freebsd-net@freebsd.org> Subject: Re: tap(4) and host-only networking between host and guest Message-ID: <20151105023115.GA10139@admin.sibptus.tomsk.ru> In-Reply-To: <CAFgRE9EiXrqfMte7a36vkWtA7kisYTT=nBh5p8HNW9FaR69VSA@mail.gmail.com> References: <20151104075454.GA99850@admin.sibptus.tomsk.ru> <5639FF12.1020109@freebsd.org> <20151104131230.GA1117@admin.sibptus.tomsk.ru> <20151104184503.GC1117@admin.sibptus.tomsk.ru> <CAFgRE9EiXrqfMte7a36vkWtA7kisYTT=nBh5p8HNW9FaR69VSA@mail.gmail.com>
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Neel Natu wrote:
> >> Julian Elischer wrote:
> >> > >
> >> > > I am experimenting with bhyve which uses tap(4) for network access.
> >> > >
> >> > > I don't want to bridge tap0 with any of the hosts's real NICs. How can
> >> > > I create a private network just between the host and the guest?
> >> > you are thinking too hard!
> >> >
> >> > tap IS the interface..
> >> >
> >> > ifconfig tap0 $address...
> >> > and in the VM, ifconfig vtnet0 ${some_other_address}
> >>
> >> Thank you, Julian! It works. I felt I was missing something obvious.
> >
> > For some reason, after a guest is shutdown or rebooted, the IP address
> > on the host's tap0 interface is deleted.
> >
>
> Try using 'vmnet0' instead of 'tap0'. It will retain the IP address
> even after a guest reboot/shutdown.
Thanks, I see now vmnet is documented in tap(4).
--
Victor Sudakov, VAS4-RIPE, VAS47-RIPN
sip:sudakov@sibptus.tomsk.ru
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