On 10 Aug 2012, at 12:52, Johnny Billquist wrote: Yes, you are incorrect. There is nothing that requires an area here, and it just means you need to deal with a full blown DECnet stack, instead of a simpler endnode. It might be worth understanding that there is nothing technical added by going to multiple areas. It is just a complication which allows you to have more nodes, but at the cost of more complex routing. Even within one area, you can have a large number of hops between nodes. Makes no difference to DECnet. The rules for the topological layout is simple: 1. End-nodes needs to be adjacent to atleast one level 1 router. 2. All level 1 routers in an area must be able to talk with all other level 1 routers. And only level 1 routers route messages within an area, which means you cannot have an endnode in the chain. The layout can be a star, a ring, a line, a combination, hybrid, or whatever. There are absolutely no topology that you can't have. The type of links can also be anything. Ethernet, multidrop, point-to-point, or something weird. Makes no difference. Ok, my bad, misunderstood the UDP Mutlinet tunnels :) Drop that node and add DEB390 with the address 52.600 when you get the chance. Sampsa