Do you get any IP address at all? If you get IP addresses in the range of 169.254.* then you have a network configuration problem.
No, it does not establish any connection at all.
Posts by LibreINtoronto
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I found this info on ethernet cables :
For Ethernet copper cabling when used for 10/100/1000 BASE-T, the maximum allowed length of a Cat 5e / Cat 6 cable is 100 meters (328 ft). This consists of 90 meters (295 ft) of solid "horizontal" cabling between the patch panel and the wall jack, plus 10 meters (33 ft) of stranded patch cable between each jack and the attached device.
It must be 100m (328ft) or less in length to be certified. It is possible a longer cable will work, but it is not guaranteed. Shorter Cat 5 cables may also not work if there is a lot of Electromagnetic interference (EMI). Signal attenuation appears to be the limiting factor, too much signal loss and you can't guarantee 100 megabits per second.My advice is to try another ethernet cable - maybe one that has better shielding
Thanks. My cable is approx 60ft, high quality cat 6. I also tested with several cables of various length, same issue, short cables work, 50ft cables don't. RPI3 works no problem....I'm going to try a Millhouse build and see what that does.
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If the nightly built doesn't work, consider to buy an Ethernet to WiFi adapter. Because it's Ethernet-based, you will have no driver problems. Those adapter usually have 2.4 GHz only, not 5 GHz. If you can live with that, this could be your solution.
The wifi does work, but I'm having buffer issues, if I'm hardwired, it works fine. That being said, my wifi access point is business class, I use an Aerohive AP wired to my Router. I do have a USB to ethernet adapter, but I really want that onboard port to work...my OCD will not allow any other solution..
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My Rpi4 refuses to turn the ethernet port with a 50ft long plus cable connection, but it does work with a short ethernet cable when tested to the same netgear switch, all other devices connect fine too. After some digging it looks like there is a problem with the ethernet driver and updating it fixes the low power issue on the port. My problem is I can't figure out how to update just the ethernet drivers. I have automatic updates on and currently on version 9.2.5
