bhyve with lagg failover doesn't work on wifi

[Randy Westlund]

On Fri, Jul 29, 2016 at 01:06:52PM -0600, John Nielsen wrote:
> Generally speaking, you can't bridge the station side of a wireless link. The access point will only accept frames with the station's MAC address. So what you are seeing is expected, unfortunately.
> 
> Your best bet is probably to do NAT. Take lagg0 out of the bridge and use it as your "public" interface. Assign a local IP to the bridge. Run a DHCP server on your host (or in another VM on the bridge if you like) or just use static internal IPs on your VMs. Enable IP forwarding (gateway_enable=yes in rc.conf). Configure your firewall to NAT your private range out lagg0.
> 
> You can do other things with tunneling, etc. but you'll need a remote endpoint for the tunnel. (If your access point runs FreeBSD you can use either vxlan or gif+EtherIP and just use the wireless link to carry the tunnel traffic, but I suspect that you want to roam between arbitrary access points.)

Thanks for the explanation, that makes perfect sense.  I hadn't
considered the implications of a layer 2 bridge to a wireless link.
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