Hi @David-TP Th ISP Modem is a Huawei HG6145F. I test running it ISP - M4 Main - M4 #1 and it kind of worked, on the app it showed as connected via ethernet and all good, actually I though on buying...

My deco are configured as access point and have them all connected via Ethernet to my modem. My main deco is shown connected with wired as normally would be but the other 2 deco are connecting with...