@JordiRisa Yah, I think you right. Firmware is bug or maybe TP-Link hardware is bug with high-end cables :D

I find out somethings: - When I use cables like cat6a, cat7, cat8, the internet port will stuck at 100mps. (All cables are new and also tested well with orther different router) - When I try to use...

@Kevin_Z I have same issues with both AX53 and AX23 Tp-link router I find out somethings: - When I use cables like cat6a, cat7, cat8, the internet port will stuck at 100mps. (All cables are new and...