{ lib, node-id, ... }: with lib; { networking.interfaces."enp2s0f0" = { ipv4.addresses = [{ address = "10.32.47.${fixedWidthNumber 3 (100 + node-id)}"; prefixLength = 24; }]; }; networking.defaultGateway = { address = "10.32.47.1"; interface = "enp2s0f0"; }; }