@J.Urbina Just to confirm, what if you disable the mac address filtering/white list (I think you are talking about the Access Control -> White List), then reboot the AX21 to confirm if you can...

@Skellzy You can check the WAN IP address here under Advanced -> Internet page: You can review your Internet IP address as per the article: https://en.wikipedia.org/wiki/Private_network

@Skellzy May I have the WAN IP address on the C7? You may hide the last two digits for any security concerns. If the WAN IP address is a private one, you will need to enable the 25565 port on the...

@loyal56 Try to disable or lower down the QoS Protection then.

@Laszlo1985 You can install the beta firmware on the Archer C9, then leave the NAT Boost on to monitor. While if that doesn't help, you will still need to disable the NAT Boost as a workaround.

@RodrigoEA It is suggested to reset the AX6000 to factory defaults, that will clear all the settings on the router and will help locate if the issue is related to the firmware or to the wrong...