If you are experiencing connectivity issues, it may have been suggested that you forward or open ports, set port forwarding, or change your NAT type. This guide explains the basics of port forwarding first party ports and information on NAT types and provides troubleshooting to help improve your connection.
https://support.activision.com/articles/port-forward-and-nat-faq
What are ports, and what is port forwarding?
Ports are simply virtual pipelines that allow computers and devices to communicate and send information back and forth on the Internet. See more about ports used for Call of Duty games.
Port forwarding – or creating a port forward – is a common process in gaming that makes your gaming console or PC more accessible to other gaming consoles or PCs on the Internet. Port forwarding can improve connection speed, lobby wait times, and overall gameplay, particularly for a host.
https://portforward.com/tp-link/archer-c5400/
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