@KNorkooli thanks for the answer and suggestions. I have moved all my hardwired devices to the providers box and just keept the TP-link for wifi. This have worked well for 3 weeks now. Therer is now...

@KNorkooli Have you found a solution? I have almost the same problem with my c2300 V1. The LAN drops out several times every day. Wifi works fine. I have had the problem for the last two month. I use...