@justcurious Ok, the most interesting thing for me is this: It seems improbably that a device that is getting its IP info from a DHCP server cannot ping it. Can you confirm that this interface is...

@Hank21 Here's another thread where a 6 series wired AP wasn't playing nice with meshed 225-outdoor. Thanks for jumping on this...

Let me know when you want to share the 'why' behind having some APs on DNS1 and others on DNS2.

@irish_admiral Any wifi repeater device should do the trick..there's nothing secret about the way TPlink does WiFi :). If you wanted it all managed by an Omada controller, then yes, another 225 close...

@Eisen There have been a number of recent threads where 610-225 outdoor meshes haven't worked well with the 610 as wired node. Suggest you reverse them, use 225 as wired and put the 610 on the far...

@ParvezBRTA The ER7206 is probably the most mature offering (safest). It supports OSPF in standalone mode with latest firmware: https://community.tp-link.com/en/business/forum/topic/604258