Bob, I really am wanting to use DDCMP for learning purposes. I want to build a decnet phase IV network with DDCMP, however, I want to also have the ability to pass traffic through to connect to additional nodes that are net connected. Kevin To: hecnet at Update.UU.SE Date: Sat, 31 Dec 2011 16:41:02 -0800 Subject: Re: SV: RE: [HECnet] Hecnet and DDCMP From: bob at jfcl.com What is it that you actually want to connect? For the most part, a Multinet link simulates the "user experience" of a DDCMP connection tunneled over IP. Multinet is a point-to-point DECnet circuit which, except for the device names, is functionally identical to any DDCMP link. The only reason I can see for using a real DDCMP serial connection (either sync or async) would be to connect a machine that didn't support an Ethernet interface. Bob