Upgrading to Lion, new MAC wifi address?

hey, may seem silly , obvious question, i'd sure before go ahead.

basically, need mac wifi address stay same, landlord allows access internet way, changing cause hassle.

i'd upgrading leopard 10.5.8 lion.

thanks!

 

the mac address stay same, "burnt" hardware , not bound software.
or mean "macintosh" mac?

 

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