@RetiredInFl 

The major downside is that all router and HomeCare functions cease to function.  This means HomeCare features such as the QOS, AV, Parentals Controls as well as router funtions like Port Forwarding will not work while in AP mode.  The wireless funtions and Mesh type connection still function though 

@Carl 

I have CAT6 Ethernet in every room of my home and would like to utilize it for backhaul for mesh. The only product I see from TP is the deco line that would support that (gigabit Ethernet, not 10/100). Using an Archer A7 v5 as main router, and deco units in AP mode, hardwired back to router, do you still lose the parental, QoS, etc? Shouldn’t the decos just follow the rules of the main router? Also, in the Tether app, are you able to see clients on the decos behind the A7 router?

@Kvlou 

That's correct, I do that as well. Use your normal router and setup M5 in AP model. However you can't get a straight answer from support if fast roaming works or not; some say yes, some say no. And they won't send that question up to true tech support.

@Kvlou 

Yes but make sure you check the specs on the Deco pacakge.  We have a few that are Fast Ethernet ports.  If the Deco has Gigabit ports it will either say Gigabit or 10/100/1000 on the package.  ones with fast will say either just Ethernet or 10/100.  If you are looking for just APs the Deco M4 would be your best most cost effective choice Although the A7 just got a Firmware update for OneMesh.  You could purchase a couple RE300s or RE220s and use those devices with your A7 for OneMesh.  Although with OneMesh there is no Ethernet Backhaul.