[pve-devel] [PATCH] support QinQ / vlan stacking

[Dietmar Maurer]

> Just for the record.
> 
> Kernel 2.6.32 does not have this problem as it does not forward tagged
> frames in bridges.
> 
> With Kernel 3.10 this behaviour changes to people building their
> security based on the behaviour of 2.6.32. They get unsecure by changing
> the kernel.

Interesting. Do you know which patch changed that behavior? And is there a way
to 
switch back to the old behavior?