That's rather a nice story. For those like me who are at best averagely competent with a pc, it is stories like this that educate me.
Thank you to the contributors.
(I wish I'd read it some time ago when my budget netgear (now departed to the land of dead pc kit) was sending me/my pc off looking for the wrong place on the net). If the internet had allowed it, my pings would have been hours long............)