What is eternal and internal host when im trying to port forward

when trying to port forward there are a few settings i cant find anyone else with and nothing will work so im wondering what i need to do for this(it needs a ip adress but im not sure which one dont know what to put for service either)


In order for us to provide better support, we need to see the log generated by Citra. This guide will walk you through how you can obtain the log file: How to Upload the Log File.