@Fae I had already modified the whole settings. Here is how it is now: I'm not sure about what happened because I had modified the setting accordingly 2 days ago. And it was the same mess. Maybe...

Hi, My English is so so. My accent is even worse. So please, be indulgent! I try to install 3 VLANs. DHCP is set on my modem. Here are my goals: I want everything to be able to reach Internet. My...