Hi @Vincent-TP yes I tested already 5ghz SSID without vlan tag also with no encryption same result. I rebooted controller yesterday (i am not sure if it has some impact ... or maybe that fw upgrade...

I did factory reset readopted device upgraded to 1.3.50 fw .... still no change ... 5ghz refusing clients in a second I cant find any problem with config ... the only thing that possibly can be issue...

Controller Version 6.1.0.19 running in docker devices WLAN config VLANs EAP783 connected to switch port 1 all vlans tagged 10,20,30,50,100 No issue on eap783 2,4ghz 5ghz 6ghz correct vlans/ips...

All VLANs I am using working only if they are assigned to SSIDs on 2,4Ghz. Anything that I set on 5Ghz (backhaul mesh) not working at all devices immediately disconected. So It looks like if 5Ghz is...

I have strange problem with my mesh network config ... Network looks like on pic ... VLANs handled by router, port config on switch is correct .. since all WLANs working on EAP783 but when I am...

I am looking for this one EAP670v1_1.3.50_[20250819-rel57463]