@ The Gajos: Better if you hide your IPv4 IP from your command prompt and other.
Also an additional thing, next time you can read this Port Forward primer! for more informations.
@ HoOtix: Yes, when you port forwarded your router propely, just click cs2d_dedicated.exe executable program to launch your dedicated server.
Port forwarding is commonly used to open the ports of your server to let all players to join in your server (otherwise some players can't join if you don't port forwarded it).