@Clive_A Thank you very much for your answer I'll try to call them tomorrow, since the field in the modem admin page is greyed out Thanks again

@Clive_A Thank you for your answer! In fact I want to get rid of ISP B, but I don't know what should be done to do so. Since swapping the modem in my switch didn't work. I was expecting that changing...

Hi, First of all thank you very much for your help ! Here's my issue. 2 or 3 weeks ago we changed our Internet Service Provider from company B to company C. When the technician came home to install...