{ config, pkgs, ... }: { networking = { interfaces.net0 = { ipv4.addresses = [ { address = "10.31.210.13"; prefixLength = 23; } ]; }; defaultGateway = "10.31.210.1"; nameservers = [ "10.31.210.1" ]; }; systemd.network.links."10-net0" = { matchConfig.MACAddress = "D2:10:33:B1:72:C3"; linkConfig.Name = "net0"; }; }