On Thu 14 Jan 2016 at 13:08:27 -0500, Gene Heskett wrote: > On Thursday 14 January 2016 12:59:08 jdd wrote: > > > Le 14/01/2016 17:23, Gary L. Roach a écrit : > > > On reboot, my router connection light is lit until the bios is > > > finished and the OS starts to load. At this point the light goes > > > out. > > > > what kind of router? ethernet link to the computer - usb or plugged > > card in a slot? > > > > may be you moved the card when working on the memory. try reinserting > > all cards > > > > jdd > > I suspect the real problem here, and its devoured my lunch several times, > is udevs rule that increments the device number everytime something new > is installed, includeing system sw from an "upgrade" eth0 should remain > eth0 if its the first interface found.
Which udev rule is this which changes the interface name when *any* new hardware is installed? Perhaps you could quote it? > Check your dmesg after a fresh boot, it can be extremely enlightening. > grep for eth and see what falls out. Decent advice. He's on Stretch, so 'journalctl' may be something to use as well.