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

Jan Engelhardt jengelh at inai.de
Sun Jan 25 15:07:50 PST 2015

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 :)

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