Did try DMZ? you used vertual server for UDP(554-561),but the freezing problem is still there?? It seems that the port for multicast is not enough,so try DMZ.

This constant freezing problem exists on all channels? or only subscribed service? and what kind of service? fromaron wrote Region : Australia Model : TL-WDR4300 Hardware Version : V1 Firmware...

can you ping the LAN ip when this happened?

soma wrote Yes. Before upgrade, restore factory reset. After upgrade, reset, and reconfigure. All settings same as before. Anyone, your FTP is still OK or NOT? Your ftp server is a HDD or server ? if...

asenada wrote Thanks, but yes, already had those settings (and tried each channel to test -- all with same result). And response to Miles, two devices, and yes, router seems fine and stays connected...

asenada wrote yes, all clients detect it when the wifi drops out. swapped out the router with an old linksys and works normally. I think we have verified that the problem is the router. How many...