Subj : NO ONE CAN CONNECT To : Mike Luther From : mark lewis Date : Thu Feb 04 2016 10:18:28 03 Feb 16 22:01, you wrote to Andrew Leary: [...] ML> Interestingly, the switch that was behind the then cable modem ML> originally worked fine - SOME TIMES - but locked up everything lots of ML> the time as well here. After lots of research, my at then SMC ML> Networks switch simply would not handle their new format for this and ML> that. i've seen similar but only once in all the years i've done networking infrastructure... that was when adding a new switch to an existing network made of apple-gear... it finally turned out that the new switch had a slightly different implementation (read more modern) of jumbo-frames than the old apple gear already in place... since these were all unmanaged switches, the only solution was to replace the new one with one that understood the older format being used... the most common switch problem i've seen has been poor ventilation and heat removal... the switches are simply overheating... i have actually removed switch guts from their housings or even simply opened them up and the problems have gone away... this is especially true with consumer-grade gear... some cheap corporate-grade gear has the same problem, too... it is what happens when you let decorators design your equipment housings to "make them pretty"... )\/(ark .... A politician is a fellow who will lay down your life for his country. --- * Origin: (1:3634/12.73) .