Hope you could enjoy internet with the new unit. :)

Every rose has its thorn. Enjoy advantages given by 5GHz. :)

wordsmith wrote I listed my firmware version in my original post. I've downloaded the upgrade and will install shortly. I'll post here afterwards. Isn't what you're asking about the LAN and WAN the...

On webpage of WDR4300, go to Security---Advanced Security and there is "Enable UDP-FLOOD Filtering". Is it what you need?

To see all, try MIB Object ID 1 and Veiw Type Include.

What's the IP address and default gateway obtained on your PC? Can you ping the gateway? Is it possible for you take a laptop to your bedroom and test it? From all your pictures, powerline devices...