I have a AT - RX88U with 2 RT-AC68u routers in a AIMESH setup. everything was fine till I have modem issues, I then also updated the firmware to latest 3.0.0.4.388_22525 for 88u and 3.0.0.4.386_51665 for 68u. I went to resetup the AIMESH, the first router came up fine and shows as a node. The second I added it said all was ok but doesn't show up as a node at all. What have I done wrong. I factory reset all before starting but multiple tries with e second always the same results Added to AIMESH but never shows up as a node. I left it for 2 days and still the same.