[systemd-devel] networkd-218 won't set bridge l2addr to slave device

[Tom Gundersen]

On Mon, Jan 26, 2015 at 12:07 AM, Jan Engelhardt <jengelh at inai.de> wrote:
>
> On Sunday 2015-01-25 23:51, Jan Engelhardt wrote:
>>
>>The virtual machine only receives L2 frames destined for 08:00:27:0a:c5:b2
>>(and broadcast), even when enp0s3 is in promisc mode.
>>This may very well be an artifact of TAP, or of how the VirtualBox
>>service processes on the real machine react to packets appearing
>>on the TAP fd and (not) feeding them to the VM...
>
> Yeah, I found VBox's option - "Promiscuous Mode: Deny" seems to be
> default. (Which I figure they chose, because allowing promisc reveals
> all traffic, since vbox on the tap appears to work like a hub during
> promisc, rather than a switch.)
>
> Well, now all pieces to document were discovered :)

Thanks for getting to the bottom of this Jan! It appears all is as it
should be, if you think there are places in our docs that could be
improved to make this more obvious for the next person, please let me
know.

Cheers,

Tom