@juanporras17 You'll need to open the following ports on your C5: TCP: 1935, 3478-3480 UDP: 3074, 3478-3479 Here's a guide on hot to configure port-forwarding on your router - use Case 2 for Archer...

@JJ39 Here's a guide on how to find your wireless router IP address. If this is the only modem/router in your LAN then you should be able to access its web management interface.

@MOONMONK Follow this thread instructions to troubleshoot your issue.

@Anjali_Patwal Try to reset the router to its factory defaults like this: If the router starts normally go ahead and re-configure from scratch. If the issue persists contact your local support for...

@jambi Did you try to change the cable that enters AX55 WAN port with CAT5E or above ? If not, then try that (if possible). If this still doesn't help follow the final paragraph from the...

@Omar89 Yes, that's correct. You may change that for the second AP as well if you happen to observe the same issue with it.