Ubuntu 18.04 server unreachable after setting static IP

I’ve configured netplan to set static IP for a server on my local network. However, after sudo netstat apply server just becomes unreachable. When I check the router, I can see it listed with assigned static IP (after waiting for a long time), but it’s still unreachable. Does it have something to do with modems… Read More Ubuntu 18.04 server unreachable after setting static IP