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Asked: 2024-09-26T04:13:00+05:30 In:

What are the steps to resolve the network connectivity issues with the Intel I219-V Ethernet controller on Ubuntu 20.04.2?

I’ve been having a frustrating time trying to get my Intel I219-V Ethernet controller to work on Ubuntu 20.04.2. It’s been a struggle, and I’m hoping someone out there has faced the same issue and can help me out. So here’s the situation: my internet connection just drops randomly, and I keep getting that “disconnected” message.

First off, I’ve tried the usual stuff – rebooting my computer and checking if the Ethernet cable is securely plugged in. I even swapped out cables and ports, just in case. No luck there. I’ve checked the connection with the command `nmcli device` in the terminal, and it shows the Ethernet interface, but it often says it’s disconnected.

Then I thought maybe it’s a driver issue? When I checked the Additional Drivers tool, it didn’t show anything for the Intel I219-V. So, I went online to see if there are specific drivers I need for this Ethernet controller, but honestly, the information I found was a bit overwhelming.

At one point, I tried disabling and re-enabling the network interface using `sudo ifconfig eth0 down` and then `sudo ifconfig eth0 up`, hoping that would do the trick. But nope, still nothing! I even manually set a static IP address, thinking that might help, but that led to more confusion.

What’s really driving me nuts is that the connection works fine on Windows, so I know the hardware is okay. I’ve also looked at the system logs using the `dmesg` command and noticed some errors related to the Ethernet controller, but I’m not sure what they mean or how to interpret them.

So, my question is: what do I need to do to resolve these network connectivity issues with the Intel I219-V on Ubuntu? Are there specific commands I should run? Any drivers I need to install? I’d really appreciate any step-by-step guidance or tips from anyone who’s been through this. Thanks in advance!

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    2 Answers



    1. Help with Intel I219-V Ethernet on Ubuntu

      Intel I219-V Ethernet Issues on Ubuntu 20.04.2

      Sounds like a real headache! Here’s a few things you can try to hopefully get that Ethernet controller back on track:

      Check Driver Issues

      Even though the Additional Drivers tool didn’t show anything, make sure your system is updated. Run:

      sudo apt update && sudo apt upgrade

      Then try installing the linux-firmware package:

      sudo apt install linux-firmware

      Diagnosing with dmesg

      For those dmesg errors, try isolating them. Run:

      dmesg | grep -i ethernet

      This should filter out only the Ethernet-related messages and hopefully give you a clue about what’s going wrong.

      Network Manager Configuration

      Sometimes the Network Manager settings get wonky. You can try resetting it by running:

      sudo systemctl restart NetworkManager

      After that, check the connection status with:

      nmcli device status

      Try a Different Network Configuration

      If manual IP settings gave you grief, revert to DHCP. You can do that by editing your network configuration file:

      sudo nano /etc/netplan/01-netcfg.yaml

      Make sure it looks something like this for your Ethernet connection:

      
network:
    version: 2
    ethernets:
        eth0:
            dhcp4: true

      Save and apply changes with:

      sudo netplan apply

      Kernel Updates

      Sometimes the kernel has bugs that affect certain hardware. Consider upgrading the kernel; there are guides online, but to upgrade easily, you could try:

      sudo apt install linux-generic

      Final Thoughts

      If all else fails, you might want to look into the Ubuntu forums or Stack Overflow for more tailored advice. There might be others who faced the exact glitch!

      Good luck! Hope you get your connection stable soon!


    2. It sounds like you’re encountering a frustrating issue with your Intel I219-V Ethernet controller on Ubuntu. Since you’ve already checked basic connectivity and ensured that the hardware is functioning properly under Windows, it’s essential to look into driver compatibility and system configuration. Start by updating the system to ensure you have the latest kernel updates and packages. You can do this with the commands sudo apt update and sudo apt upgrade. Next, verify if the necessary firmware is loaded. You can check the loaded modules pertaining to the network interface with lsmod | grep e1000e, which is the driver used by the I219-V. If it’s not loaded, you may want to try loading it using sudo modprobe e1000e. Additionally, look at your network configuration files in /etc/netplan/ or /etc/network/interfaces to ensure there are no conflicting settings that might be causing the disconnections.

      If the issues persist, consider examining the logs that may provide insights into the problem. Use the command dmesg | grep e1000e to see specific logs related to your Ethernet driver. If there are errors, they can point to specific problems you might need to resolve. Furthermore, you may want to disable the power management feature that could be causing the interface to disconnect. This can be done by creating a configuration file in /etc/modprobe.d/ (for instance, sudo nano /etc/modprobe.d/e1000e.conf) and adding the line options e1000e InterruptThrottleRate=0. After saving the file, run sudo update-initramfs -u and reboot your system. This combination of confirming your driver, checking system logs, and modifying power management settings should help in stabilizing your Ethernet connection on Ubuntu.

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