[birmingham]

Based on the quote from the white paper the mac address should be the same for both members. Are you sure you are not looking at the mac address for the local box ip and mac not the cluster ip & mac it is broadcasting for the cluster which according to the white paper should be the same on both boxes.

I always test failover by putting lots of stuff in a massive zip file and ftping it across the cluster, rebooting the members as it passes through.