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I have to use a static IP configuration. I just got a new ethernet cable, and it worked fine for a while. Then it stopped detecting the ethernet connnection. I mean, it would tell me that I'm connected, then as soon as I tried accessing any website it would stop detecting the connection.

I followed the advice I found in several answers on this forum, and set managed=true in my NetworkManager.conf file. This worked for a while, but now it refuses to detect the ethernet connection altogether.

It works with two other ethernet cables I've tried (borrowed from friends) but not with mine. All the cables work fine with Windows 10 though.

Are there some compatibility issues with my particular cable? Do ethernet cables come in different types?

UPDATE: One of the cables Ubuntu is fine with is a category 6 cable, while mine is a category 5e.

Styg
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2 Answers2

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it sounds similar to the problem that I have at the moment. Unfortunately I have not been able to find a solution yet but I will let you know if I figure it out. edit

In the meantime please could you post the output of the following commands

lspci | grep Ethernet 
ifconfig eth0
sudo lshw -class bridge
sudo lshw -class network

edit 2

For reference

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1003297

https://bbs.archlinux.org/viewtopic.php?pid=1551149#p1551149

Community
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lainglo
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It seems to me to be a problem with the r8169 driver I had. I downloaded the r8168 driver from the Realtek website and now my ethernet connection works perfectly.

Styg
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