Switch Lan Cable Adapter . If not, there are several options at amazon and other retailers, but keep in mind not all usb lan adapters will work with the switch. Ensure that you have connected the lan adapter to a lan port, and not the internet/wan port. Hot Sale RJ45 Splitter Adapter 1 to 2 Port Switch Cable from www.aliexpress.com Ive tried port forwarding and dmzing to turn my switchs nat from type d to either a or b. What helped in my case was powering down the switch (not sleep) after taking it out of the dock, unplugging the dock ac adapter, unplugging the modem/router ac adapter and then powering up the switch, plugging in the dock, plugging in the router, waiting until everything is on and then putting the switch in the dock. Well update this article once we have a 100 percent confirmed list of the adapters that do work, but for now, you can use the nintendo brand lan adapter that worked for the wii and wii u.