Thank you very much, in lapse time, I've found a setup to make it working again with new firmware (VLAN priority)

Hello, I upgraded my firmware from 1.2.3 to 1.3.1 yesterday, since then, my fiber connection (2gb//1gb) connected to the SFP+/WAN gives me a speed of 10mb/0.6mb. I tested my ONT directly on an...