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Date: Wed, 4 Nov 2015 21:34:15 +0600
From: Victor Sudakov <vas@mpeks.tomsk.su>
To: Eugene Grosbein <eugen@grosbein.net>
Cc: freebsd-net@freebsd.org
Subject: Re: tap(4) and host-only networking between host and guest
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Eugene Grosbein wrote:
> 
> > And if I need the VMs to talk to one another, I think I can bridge
> > several tapN devices on the host.
> 
> You could also just use broader IP network and single tap interface
> for several VMs.

Do you mean to say I can run several bhyve instances on the same
tap0 device? Like, with the identical "-s 3,virtio-net,tap0"
parameter?

tap(4) says that tapN is an exclusive-open device. And when I tried it
out, the second bhyve instances said "open of tap device /dev/tap0 failed",
which was kind of expected.


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