Hi
Please refer to: How to set up the VLAN for IoT Wi-Fi on Flint 3(GL-BE9300)
Or just running these commands via SSH
uci set wireless.iot24=wifi-iface
uci set wireless.iot24.device='wifi0' # <-- change it to `wifi1` it you want 5GHz Wi-Fi
uci set wireless.iot24.network='lan' # <-- bridge to LAN
uci set wireless.iot24.mode='ap'
uci set wireless.iot24.ifname='wlan05'
uci set wireless.iot24.ssid='GL-Router-IoT' # <-- SSID
uci set wireless.iot24.encryption='psk2+ccmp'
uci set wireless.iot24.key='goodlife' # <--- Password
uci set wireless.iot24.hidden='0'
uci set wireless.iot24.isolate='0'
uci commit
reboot