On 05/01/2012 08:49 AM, Peter Coghlan wrote: My IGS has even older software - 10.0(6) but it seems happy to accept decnet configuration commands. It also allows me to configure a tunnel interface so hopefully it will do the job. It seems to be running ok after I reseated the SIMMs but I want to leave it on test for a while to make sure. This is great news! They're good machines. I'd be happy to do some tunnel testing with you if that would be helpful. I can't find any reference to the processor speed anywhere. It;s not show anywhere except in data sheets .. -:) I eventually found it written on the 68020 :-) Assuming they're running it full-bore.. -Dave -- Dave McGuire, AK4HZ New Kensington, PA