Re: [uml-devel] A note to those picky people who think a working network is important

[Lennert B. <bu...@gn...>]

On Sun, Apr 14, 2002 at 10:10:56PM -0500, Jeff Dike wrote:

> The symptoms of that one little innocent-looking bit are surprisingly
> mystifying.
> 
> 				Jeff
> 
> --- ../cvs/linux/arch/um/drivers/net_kern.c     Sun Apr 14 09:28:54 2002
> +++ arch/um/drivers/net_kern.c  Sun Apr 14 16:00:50 2002
> @@ -419,7 +419,7 @@
>                   lock :                SPIN_LOCK_UNLOCKED,
>                   dev :                 dev,
>                   fd :                  -1,
> -                 mac :                 { 0xfd, 0xfe, 0x0, 0x0, 0x0, 0x0},
> +                 mac :                 { 0xfe, 0xfd, 0x0, 0x0, 0x0, 0x0},

The LSB of the first byte of an ethernet address indicates
whether an address is a unicast (0) or multicast (1) address.

And AFAIK, hosts are required not to believe ARP replies that
advertise multicast addresses.


cheers,
Lennert