UNET networking : I can't connect with IP

Hello.
I have two buttons : create game , and join game. My code is :

Code (CSharp):

1.  
2. public void StartupHost() {
3.   SetPort ();
4.   NetworkManager.singleton.StartHost ();
5.   }
6.  
7.   public void JoinGame()  {
8.  
9.   SetIPAddress ();
10.   SetPort ();
11.  
12.   NetworkManager.singleton.StartClient ();
13.   }
14.  
15.   void SetIPAddress (){
16.   NetworkManager.singleton.networkAddress = "192.168.0.4";
17.   }
18.  
19.   void SetPort() {
20.  
21.   NetworkManager.singleton.networkPort = 7777;
22.  }

It work ONCE between my computer and my smartphone. I open the file the day after, and it didn't work anymore. I tried it in differents situations, with local IP, public IP, on different computer, with friends... NOTHING works.
But once, it did !! I really don't understand why. Have you got an idea ?
Also, you should now that it works fine when I start 2 games on the same computer, or in localhost.

Half of my concrete wall fall down since I start to break it with my head.
Thanks

 

I just made a test by creating a wifi network on my pc, and I connect an other PC on it, and I tried to launch the game with the new local IPs, and it works !
So my guess is that my router is a problem, even for joining a public address.
But I should understand what happened, and how to fix that, because people could have the same problem when the app will be on the store, and I don't want that.
Thanks

 

New : when I try to connect to my game locally between 2 pc, using local ip 192.168.0.4, unity tells me :
DNS resolution failed : 11001
UNet Client Error Connect Error: 11

Is someone in the desert understand the least thing of what happen ?

 

Up Dynamic IP are certainely the problem. Is there any help ?

 

I have the same problem.

 

Someone told me that it is crap to do network that way, and that is better to launch the game on the server. Google Play give a possibility to do it. I found this tutorial : http://www.raywenderlich.com/86040/creating-cross-platform-multiplayer-game-unity-part-1
looks good ^^

 

Ran into this problem myself and found that it was something to do with a malformed IP string. I was parsing out the IP address and port from a file and the return lines either had spaces in at the ends or something along those lines. I parsed the file by eliminating new line containers and just used a separated value between my objects (similar to JSON parsing) and that fixed it.

My guess is that when the IP string has spaces or additional unwanted information in it, it assumes you are using a hostname and not an IP address. Therefore, DNS kicks in and the resolution error occurs. Try using a trim on your ip and port strings or hardcode your values to test.

Cheers.

 

I have the answer for it you need to download xammp or wamp im using wampp thane you need to bring it public whit dns than you can connect in your local router whit static ip