{ config, lib, ... }:

{
  options.myNetworking.ipForwarding.enable = lib.mkEnableOption "Enable IPv4 and IPv6 forwarding";

  config = lib.mkIf config.myNetworking.ipForwarding.enable {
    boot.kernel.sysctl = {
      "net.ipv4.ip_forward" = 1;
      "net.ipv6.conf.all.forwarding" = 1;
    };
  };
}