@Marvin_S I turned off ipv6 and now the speed limiting is working as it should.

@Marvin_S 1 my isp is stc ( saudi telecom company) and my speed is 300 2 it does not work on any device 3

@woozle No Unfortunately

When I set a speed limit for devices connected via the network, nothing changes. For example, if I set a speed limit of 10 megabits for a device, it will continue to operate at full speed as if I had...