[openib-general] node_guid and ports guid

[Fabian Tillier]

On 7/6/06, yipee <yipeeyipeeyipeeyipee at yahoo.com> wrote:
> Hi,
>
> Is there any defined relation between a node's guid and its ports' guid?
> On my HCA's I see that the 2 lsb bits of the node guids are always zero and port
> 1 's guid equals the node guid + 1. Does this always has to be the case?

No, GUID assignments are up to the vendor - the only requirement is
that the OUI of the vendor be the first 3 bytes.  The next 5 bytes can
be anything the vendor decides.

- Fab