R6300v2 as AP not working wired but wireless

My devices can’t update NTP via wired connection. Wireless work fine.

I have two Raspberry PI with Domoticz home automation software connected to my R6300V2 that is is AP-mode. R6300v2 is connected to my main router via wire (Asus RT-AC87u). Both RPI are updated to the latest firmware and bootloader.

The Raspberry that are connected directly via wire can’t update time with NTP. The second Raspberry Pi that are connected wirelessly to R6300v2 via “gl-inet” with Gargoyle-firmware (openwrt)...

R6300v2 as AP not working wired but wireless