On Apr 8, 2013, at 5:09 PM, Johnny Billquist wrote: ... By the way, MOP, from an ethernet point of view, is neither LAT nor DECnet. MOP is its own protocols on ethernet. 0x6001 and 0x6002. But I believe they were defined as being a part of the DECnet suite anyway. The MOP spec is one of the DECnet architecture specs. And in fact it relies on the DNA datalink layer and is controlled via the DNA management layer. Other than that, it's indeed separate -- doesn't use routing or NSP. paul