On 15 August 2007, Les Mikesell <lesmikesell at gmail.com> wrote: <snip> > Everyone believed that except DECnet which expected all cards in the > same machine to have the same MAC. The address should be stored in a > ROM and initialized at startup, so it is probably a firmware or driver > bug. Les: On multiport cards, do the NICs all have different MAC addresses and do they all use the same driver? The OP has a board where the 2 NICs use different drivers. Seems like DECnet did not have a better idea there. <snip> > Yes, different block ranges are supposed to be assigned to different > companies. But, it shouldn't hurt anything unless both are connected > to the same subnet which you aren't likely to want. > That *would* be a problem, with routing to the proper box. Lanny