@terziyski Thanks for your help. I am sure they have the latest firmware. But I read in a thread that Ax55 doesn't support wired backhaul yet. There is only a beta version that support it.

Hl I have tow routers archer ax55 one as main and second one as satellite. I connected them via onemesh wireless everything was working good. Just once I connect them with wired backhaul I got...