tap(4) and host-only networking between host and guest

Victor Sudakov vas at mpeks.tomsk.su
Wed Nov 4 13:12:37 UTC 2015


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. 

And if I need the VMs to talk to one another, I think I can bridge
several tapN devices on the host.

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
sip:sudakov at sibptus.tomsk.ru


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