Re: [Qemu-discuss] any restriction on the guest mac addr when using tap networking?

[Xeslaro]

  problem solved, thank you very much! i wasn't aware of the first rule at that 
moment.

On Mon, Apr 29, 2013 at 02:26:14AM +0200, address@hidden wrote:
> - In the first byte, the least significant bit should be 0 for
> addresses that
>  can be assigned to an adapter.
> - In the first byte, the second-to-least significant bit (the 2's
> bit) should
>  be 1 for made up addresses.
> - If the first byte second-to-least significant bit is not set, then
> the first
>  3 bytes should be a vendor prefix assigned to someone who will let you
>  misuse their prefix for virtual machines, there are very few of those.
> 
> So the second hex digit should be 2, 6, A or E and odd values are extra bad.
> 
> Good: 12:34:56:78:9a:bc
> Bad: 14:34:56:78:9a:bc
> Very bad: 13:34:56:78:9a:bc