If you are still having online issues, to help us troublshoot exactly what is happening, if you can post your information here, it would help us out.
In addition, if you were previously having problems even after following the approved router settings, and now the game is working properly for you, that information is helpful as well.
If you could post the following information when you encounter a problem.
1. Connection Type
2. Router Type
3. Connection Error
4. Time of occurrence