@fserre problem fixed, the issue was caused by a similar IP Adress of my switch and my fiber router, I saw this this morning, change my switch IP Adress and now all is working maybe a bug however to...

@Kevin_Z hi my app say my deco are up-to-date, but here are my firmware version M5 : 1.3.2 build 20190624 rel 59384 E4R : 1.1.0 build 20190823 rel 43466 is it normal ?

Hi I have a set of deco with 1 M5 connected to my fiber router, and 1 E4 connected at the other side of the house thru ethernet, a TP Link switch is the main switch if I have no issue with...