On 13/10/2010 19:00, Timo Schoeler wrote: > On 10/13/2010 06:46 PM, Giles Coochey wrote: >> >> I've tended to find that when a card is failing the MAC address starts >> setting itself to FF:FF:FF:FF:FF:FF not 00:00:00:XX:XX:XX > FF:FF:FF:FF:FF:FF is broadcast. > Sorry... in order to qualify my statement I should say that I was in charge of United Kingdom RMAs for a Taiwanese manufacturer of Network cards for 3 years... as such I have come across thousands of faulty network cards and one of our tests for a faulty PROM was to ask our distributors if the MAC addresses had set itself to FF:FF:FF:FF:FF:FF. I don't doubt that it is a broadcast address.