Server is registered on master server but still offline

displayed on master server but ip is displayed on red color. can’t seem to find port forwarding option so i added virtual server on my router. +set net_ip (my private ip not public one). still doesn’t work please help.

You really need to port forward. It will be within the security settings.You need to have a good look around somewhere in there

What make and model is to your router?

Router is TP LINK TD-W8901DN router. how to port forward the router (mw3) for TD-W8901N module - YouTube this video shows how to port forward in that router i did everything correct.