lab-infra/machines/router02/networking.nix

{
  systemd.network = {
    networks = {
      "10-ens18" = {
        name = "ens18";

        networkConfig = {
          Description = "ENS uplink";
          Address = [ "129.199.146.34/24" ];
          Gateway = "129.199.146.254";
          LLDP = true;
          # Only to the switch we are connected to directly, e.g. the hypervisor or the switch.
          EmitLLDP = "nearest-bridge";
        };
      };
    };
  };
}