Re: [Xen-devel] [patch 3/5] xen: xm/create mac selection

[Jody Belka <lists-xen@xxxxxxxx>]

On Mon, Jan 31, 2005 at 11:07:16PM -0000, Ian Pratt wrote:
> 
> Please can you explain how the randomly generated MACs are kept
> different -- I was expecting to see the vif number being folded into the
> random MAC generation.
> 
> (I'm not saying what you've done doesn't work, I'd just like an
> explanation)

It doesn't prevent different domains from getting the same random MACs,
only within a domain. It keeps a list of generated MACs as it processes
the vifs, and loops until one is generated that hasn't been used yet.
For some reason i'd usually get several copies of the same MAC without
this code when creating multiple vifs within one domain.


J

-- 
Jody Belka
knew (at) pimb (dot) org


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