NAT or Network address translation is responsible for lags or slow internet while gaming. We explain what NAT is & how to change NAT type.

You can also try to add your computer's local IP to the Router DMZ, which will disable any security measures that could be keeping the NAT Type from switching to open.

Can You Change NAT Settings Without Logging Into the Router?. Whenever a computer on your local area network sends data to or receives data from the Internet, your router employs Network Address ...

You need to open certain ports on your router or gateway to fix the NAT type or Teredo issues. It is a simple process that can be done by logging into the router configuration page.