I have what I think is a networking problem with my setup. I have a laptop connected to a thunderbolt dock plugged into ethernet & at the same time to the WiFi.
The problem is that when both networks (different ips) are available to my laptop connection is painfully slow. If I disable one of them ( I primarily tested this with WiFi disabled as it made more sense, but I can notice the difference with the cable connection unplugged, as well ) everything is back to normal.
I’ve seen some topics mentioning DNS related problems with the notorious /etc/resolv.conf, but it does not seem to affect in any way with my configuration. Also as I am not that sure what is the problem & not so familiar with nixos, I am looking forward to your suggestions.
Laptop: Lenovo Thinkpad T480
Thunderbolt dock: Lenovo ThinkPad Thunderbolt 3, Dock Gen 2
Thank you in advance!