Can't ping Printer when Devices are on different AP's

[Rando]

Hello,

I have an RT-AX88U as my main router with two RT-AX92U in a mesh connection. Running the latest stable versions of Merlin on the RT-AX88U and gnuton versions on the RT-AX92U.

The printer is wirelessly connected to the RT-AX88U and my testing devices are wirelessly connected to the RT-AX9U.

All devices of these devices are connected to the same 2.4ghz wireless SSID connection. This is not a Guest Network.

The two devices on the RT-AX92U AP cannot ping the printer on RT-AX88U. If I move one of the devices and connect to the RT-AX88U they can ping and print successfully. They are all on the same 192.168.2.x subnet. The printer has a static IP address in the DHCP IP Pool.

What am I missing?

Thanks in advance!

 

[bennor]

To confirm, you have the two RT-AX92U configured for AP mode and not AiMesh mode, correct?
If configured for true AP mode, how have you configured the WiFi on all three devices, main router and two AP nodes?
Have you activated WiFi AP (or client) isolation on any of the routers?
Can you ping or access other WiFi devices other than the printer?
Are you running any addon scripts on any of the routers?
What other troubleshooting steps have you tried?