Arch Linux

avr

Member

Registered: 2014-09-25

Posts: 23

KDE network manager not able to use wired connection after reboot

Hello,

I recently installed Arch Linux with a KDE desktop (Plasma 6). I am new to KDE and am coming from an Ubuntu setup. I noticed that after I setup my direct wired connection to my NAS that on the next bootup I could not connect to the internet at all.

Here's my networking setup and how I had it setup in Ubuntu: wired connection directly to router using the motherboard's network adapter, and a PCIE 2 port networking card used so that I can have a direct dedicated connection to my NAS using NFS. In Ubuntu's network manager I have the other NIC setup as link local which worked with Ubuntu connecting to the internet using the motherboard NIC.

Before rebooting on Arch I had the other connection setup as link local and the internet was still working. To attempt to troubleshoot I removed all of the connections on KDE network manager, unplugged the dedicated connection to the NAS, and set up a new connection using the motherboard NIC, but it appears that KDE doesn't even do anything when I set up the connection.

I've confirmed that I do not have any competing networking services by running in systemd such as dhcpcd, wicd, iwd. The only enabled and running service is NetworkManager.service

avr

Member

Registered: 2014-09-25

Posts: 23

Re: KDE network manager not able to use wired connection after reboot

Fixed: removed all entries from network manager, shut down computer, unplugged ethernet cable from PCIE NIC, booted up to let KDE recreate the network manager connection profiles, for each profile restrict the devices to each of the unique ethernet network interfaces, plugged back in the other ethernet cable.