@Kevin_Z tech support indicated that I may have two DHCP servers running in my environment causing the problem, and it turned out that I had DHCP enabled both on the AX6000 and the extender....

@Kevin_Z as they say, "never trust a user." I genuinely thought the problem existed before I added the extender, however: - Disabled OneMesh, rebooted router: no more negotiation lag with the wired...

Thank you for the response, @Kevin_Z. Sorry for being so long getting back. When saying "all equipment physically connected to the router", can I know what are they except for the TV and PS5? Several...

A couple months ago I purchased an AX6000 (which I later discovered to be hardware revision "1") to replace a miserable old Netgear, largely because I was going to be traveling for several weeks and...