Date: Thu, 5 Nov 2015 18:22:28 +0800 From: Julian Elischer <julian@freebsd.org> To: Victor Sudakov <vas@mpeks.tomsk.su>, 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: <563B2DE4.2060307@freebsd.org> In-Reply-To: <20151105023115.GA10139@admin.sibptus.tomsk.ru> 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> <20151105023115.GA10139@admin.sibptus.tomsk.ru>
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On 11/5/15 10:31 AM, Victor Sudakov wrote:
> 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).
I didn't know that...
Ok, so now you are an expert, can we count on you to answer all future
questions on this topic? ;-)
>
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