os/hosts/giggles/avahi-reflector.nix

{...}: {
  services.avahi = {
    enable = true;
    openFirewall = true;
    allowInterfaces = ["eth0" "vlan104"];
    reflector = true;
    publish.enable = true;
    extraConfig = ''
      reflect-filters=_googlecast._tcp.local
    '';
  };
}