@Tony I understood when it does and does not support AX, and it always should support AX. I hope you fix it soon. I've already returned it for a device that does AX in AP mode.

@Tony Is this something that will be fixed? It makes no sense that an extender you say has AX doesn't have it in AP mode. NO WHERE in the documentation does it say AX is dropped for AP mode. If it's...

@Tony Right, only 5GHz has AX. I am using RE505X(US)_V1_200310, the latest build. Here is a shot of the options on the device for the 5GHz radio. Only goes to ac, not even ad is listed. I tried...

I just got an AX1500 RE505X Wi-Fi6 range extender to go with my AX11000. I have the RE505X in AP mode. In the RE505X wireless settings there are no AX options. Just A/N/AC. Where is AX? The AX11000...

@mikoz I had the same problem. Drove me crazy then I stopped using link aggregation and it everything started working. I'm hoping a firmware upgrade or something can fix it. Link aggregation isn't a...

I found this on TPLink Aggregation page - Note: Our products only support layer 2 LACP, don’t support layer 3 or layer 4 LACP. https://www.tp-link.com/us/support/faq/1583/ If it helps.