One way we overcame this was to use the last two segments of a IP to generate the rest of the MAC. In our environment, 100% of our xenpv's have static IP's allowing us to take a IP (137.143.102.34) and create a MAC (00:16:3e:10:23:40) from it. We fill in the holes with 0's, for instance 137.143.102.8 would become 137.143.102.800 (Not a valid IP but good enough for MAC generation) which in turn becomes 00:16:3e:10:28:00.

-Ron

Tom Brown wrote:
James Cammarata wrote:
I see no reason why you couldn't generate them yourself, just start out at
00:16:3e:00:00:01 and increment from there, 00:16:3e being the vendor code
reserved for Xen.  You could use anything there though, as long as you're
sure it won't have a conflict on your local network.  Overall, I don't
think you need cobbler to do this at all :)



OK thanks - i did not know if there was an 'official' way to do this

thanks
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