On 01/08/2013 01:29 AM, Karli Sjöberg wrote: >> > Which means that if you set up two oVirt systems independantly; one > for production and one for testing, you will get collisions? > > /Karli If they are truly "independent" then they shd be on different subnets; hence, there shdn't be collisions. MAC addresses don't propagate beyond the router. Keith