"Rob Jarratt" <robert.jarratt at ntlworld.com> writes: My user mode DECnet router has started telling me that it is getting messages for routing specification version 2.2.0. Phase IV is 2.0.0. I am assuming this is Phase V messages because there has been talk about this recently. Does anyone have a link to the Phase V Routing Specification? The specs for OSI were huge. Will this link help you any? http://bitsavers.trailing-edge.com/pdf/dec/decnet/EK-DNAPV-GD_DECnet_Phase_… Other that this, you're best bet would be the DECNET Documentation. It should all be on-line at http://HP.COM/go/OpenVMS. -- VAXman- A Bored Certified VMS Kernel Mode Hacker VAXman(at)TMESIS(dot)ORG Well I speak to machines with the voice of humanity.