Just got me a second Rt-AX86U set up as AImesh node. Running Merlin 386_beta1 on both RT-AX86U.
Under the Aimesh node management settings, under Connection Priority, there are three option: Automatic, 1G Wan Only, 2.5G Only (Ethernet Backhaul Mode enabled)
I have tried both Automatic and 2.5G...