On 2019-02-20, Jordan Geoghegan <[email protected]> wrote: > Hello, > > I'm not sure if this has already been reported, or if it is indeed a > bug, but the title pretty much sums it up. > > I wanted to isolate some vmm virtual machines onto a separate vlan so I > created a vlan interface on the host machine, and created a bridge on > it. I used option 4 from the link below for guidance: > > https://www.openbsd.org/faq/faq16.html#VMMnet > > Everything works great, but the problem is that the host interface needs > to be put into promiscuous mode for the bridged vlan interface to pass > packets to the virtual machine. No packets can be passed to or from the > virtual machine unless I manually put the host's vlan parent interface > into promiscuous mode by (for example) running tcpdump on the em interface. > > If folks think it's warranted, I'd be happy to do up a proper bug > report. Below please find a dmesg from my machine.
Others have reported this too and it's clearly not working as expected, but I've been unable to replicate it here. If you're able to figure out a set of commands or file changes to trigger it then a proper report on bugs@ would definitely be a good idea.

