On Tue, 2009-12-01 at 13:37 -0800, Luis R. Rodriguez wrote: > On Tue, Dec 1, 2009 at 9:05 AM, Gerald Combs wrote: > > Johannes Berg wrote: > >> Joshua, > >> > >>> For the structure of the vendor space, you extend 'skip_length' from 8 > >>> bits to 16 bits. > >>>> Structure > >>>> u8 OUI[3], u8 sub_namespace, __le16 skip_length > > > > What happens if someone without an OUI wants to add a vendor extension? > > Do they need to purchase an OUI or IAB from the IEEE? > > No, you can use a locally administered OUI, there is a bit on the OUI > you can use to mark this. As we've discussed, I don't think this is true. The EUI-48 (or only MAC address?) has such a bit along with the group bit, but it is not inconceivable that OUIs could be assigned in that range for other uses. johannes