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I have an Ethernet router that is not working on Ubuntu 18.04. The Ethernet connection did not work on the installation media, so I figure it can’t be the Ubuntu installation. Different ports don’t work; I’ve done sudo ip link set enp4s0 down and up but it doesn’t work. Everything I do gives me network connection failed message. I even tried unplugging the router and plugging it in again. I have looked on various websites and could not find anything specific to my situation. The router is Netgear if that might be relevant.

Is there something to fix this? Some magic command?

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  • please explain what leads you to believe that the problem is not related to Linux? ... why would you post a question here if you believe that the problem is not related to Linux?
    – jsotola
    Oct 12, 2019 at 1:45
  • I think it might be and that’s why I’m asking it here. Just mentioning the router brand in case that could be relevant to any answers
    – Zakalite
    Oct 12, 2019 at 2:06
  • Just put it in the main post so it doesn’t look like I’m posting something unrelated to Linux
    – Zakalite
    Oct 12, 2019 at 2:08

1 Answer 1

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I found one solution that might help you. Here are the steps for you to follow. 1) Goto following file and add eth0 and eth1 If you have two network interfaces sudo vim /etc/network/interfaces

The loopback network interface

auto lo iface lo inet loopback

The primary network interface

auto eth0 iface eth0 inet dhcp

auto eth1 iface eth1 inet dhcp

2) Remove following line sudo rm /etc/udev/rules.d/70-persistent-net.rules

3) Restart sudo reboot

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