I had an issue with a brand new Ethernet Expansion Card + Ubuntu Server 22.04 (+ 11th gen mainboard, but I am not sure it makes any difference) for my Ethereum node.
Since I received a new 13th gen mainboard, I tested it again on Windows 11 and noticed it worked flawlessly. So I gave it another go on Ubuntu.
lshw -C network was showing the interface as
DISABLED. So I:
- Copied the interface name to the clipboard (
enx9cbf0d001857in my case)
/etc/netplan/00-installer-config.yamlto add this new interface:
network: ethernets: enx9cbf0d001857: dhcp4: true version: 2
- Applied the changes: