@RogueMan A port may indicate itself as closed due to a lack of service behind it as well. Check if your Minecraft server is configured properly. You may check as well if this port is open on any...

@Gradiner That means you don't have your Internet connection set up successfully. Refer to the video guides on the bottom of its support page - here.

@Piie Ethernet backhaul for AX53 is supported on HW v2 according to this thread. If your AX53 is HW v2 then it should support ethernet backhaul via its official FW.

@RogueMan If that's the case you may have to open some additional ports on your C5 v2 - refer this thread for details.

@RogueMan Nevertheless you should do the check I mentioned to be sure that your ISP has done the job you've requested. If your C5 v2 WAN IP address is in these IP ranges the port-forwarding won't...

@Piie AFAIK the satellite routers have to be directly connected to your main router for having ethernet backhaul working properly. Use this guide for configuring the ethernet backhaul. If for some...