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 Message-ID: <20151104153415.GB1117@admin.sibptus.tomsk.ru> In-Reply-To: <563A1265.7010208@grosbein.net> References: <20151104075454.GA99850@admin.sibptus.tomsk.ru> <5639FF12.1020109@freebsd.org> <20151104131230.GA1117@admin.sibptus.tomsk.ru> <563A1265.7010208@grosbein.net>
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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
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