If you get a "Connection Timeout" or "Unable to query server info," it is almost always because Go back and ensure -NoBattlEye is in your batch file. Also, check your Windows Firewall – allow ShooterGameServer.exe through Private networks.
Before we dive into the technical setup, let's establish why you would want to cut the cord from the official network.
While official servers are bustling, a LAN setup offers three things the internet cannot: