@sadiehaelee So the topology must be Main router---AP CPE))))(((((Client CPE------ASUS rt-ac3200. Suggest confirming if the main router is working stably. The ASUS router should be working in AP...

@DBShelton Here is a document that will help you to do some troubleshooting: Why cannot I log in to the web management page of the CPE?

@j0np Can this help you? Router detected Large Ping attack and dropped 7 packets.

@Geewiz Hello, in standalone mode, check this: In controller mode:

@nRayAffair Uhm... as far as I'm concerned, this Beta version also fixed an mDNS-related issue since I had a similar one before, suggest you can have a try. And this post I thought is very helpful,...

@Soporte23 Hi, this document will point you how to do the troubleshooting.