nixcfg/machines/node/network.nix

{ 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";
  };
}