@David-TP my ISP is Ziggo. Modem used is an Arris TG2492LG connect Box. And it is configured by the ISP to work in Bridge Mode. 1. Done! 2. It happened three times last six weeks. So (luckily) not...

I have this system existing of a total of 5 Deco M9 plus. The main Deco is wired directly to my cable modem. From the second port a Poe-switch is connected. Two satellite Decos are connected to this...