@David-TP thanks for your reply David. Yes, all wifi clients remained perfectly ok. Four Eth clients were an Xbox, Reolink PoE camera, Dell or hp laptop & an unmanaged netgear switch which itself had...

New modem installed today. Congigured to ISP ok. Set up wifi ok. Connected 4 x Ethernet clients ok. After approx 7hrs all 4 Ethernet clients went down. Rebooted modem, Ethernet clients initially came...