@Si.R How about the QoS setting on the AX6000, is it on the Standard mode? Please kindly refer to this article to double confirm: https://community.tp-link.com/en/home/forum/topic/257504 Have you...

@Jvillamizar TL-WR850N seems a customized version for the local ISP market, which means the firmware of the router might be self-designed by your ISP. It is suggested to contact your ISP to check the...

@nachov After you upgraded the router firmware, did you reset it and reconfigure it? Or did you input the previous config file back into the router? As the issue is weird, as reported by the system...

@haembuerg Try to choose Static IP on the WR902AC when configuring, ensure that IP is in the same IP subnet of that of the fritzbox, then check again if the PC will get the correct IP from the...

@tchaikovsky1972 Hi, this request had been noted, and we have feedback to the related department. It would be included in the future firmware updates.

@szada92 Hello, as you can see the OP's VPN issue was resolved in 2018, this is quite an old thread, it is suggested to open your own to start discussing. Kindly check the below VPN setup...