@David-TP Forgive me for insisting, but I answered your e-mail almost 2 days ago and received no answer until now. I need help to solve my problem with Deco M5.

@Er1 If I'm not wrong, the IPv4 and IPv6 are related to the WAN, not the LAN. My ISP has IPv6, that's why I'm using it, since it's theorically more efficient. No, as as far as I know, I don't have a...

Just to update the remark, since I could't connect to the internet anymore (Main DECO got solid red; 2nd and 3rd DECO were shininig blue), I reinstalled everything: got a stair, reached the Main...

@Er1 I'd be glad to tell you if all the devices able to ping are indeed connected to the Main DECO (I presume they are), but since disconnection I'm not able to reconnect to the internet. My Main...

@David-TP @Er1 Thanks to everyone. First of all, I must correct a mistake I made. When I said all TVs were wired, I forgot that, in fact, altough I intended to connect it via cable (there is a cable...

Me again. Using the subnet scanner of PingTools, here is the result: Scann subnet 192.168.68.1-192.168.68.254 with 20 threads 192.168.68.243, ping: success, ports: not found 192.168.68.105, ping:...