On Fri, Feb 03, 2023 at 10:33:16PM +1100, Darren Tucker wrote: > Fast ethernet (100base-T) uses pins 1, 2, 3 & 6 while gigabit needs > all eight. If you get a cable where one of 4, 5, 7 or 8 is broken (or > someone cheaped out on the cable and it only has two pairs to begin > with) you'll have a cable that can only do 100 mbit, which is about > the speed that you saw.
But the output from ifconfig does suggest that the link was running with 1000baseT modulation: > media: Ethernet autoselect (1000baseT full-duplex,rxpause,txpause)
