Hi  @Moha9,

The bandwidth control you mentioned means that the save failed or it is not effective?
If there is an error message screenshot, please provide the following screenshot containing the error message.

Have you tried other browsers to set it for comparison?

  @Joseph-TP I did this via the app

it saves but when measuring the speed from connected phones that I have set a speed limit for nothing changes there is no speed limit

when I cancel ipv6.everything works as it should be