Problem with multiplayer connect

Sorry for my english

I’m will try explain a problem, may be somebody can help me with it.

  1. I have a local net with two computers point-to-point.

  2. Their ip 10.0.0.1 and 10.0.0.2

  3. When i try connect client 10.0.0.2 to server 10.0.0.1, the game starting on both, but server doesn’t see client and client doesn’t see server.

What is how I start a game:

10.0.0.1 - UE4Editor.exe Race MainMap?Listen -game

10.0.0.2 - UE4Editor.exe Race 10.0.0.1 -game

nothing, they don’t see each other

  1. When I try to do something like that:

10.0.0.1 - UE4Editor.exe Race MainMap?Listen -game

10.0.0.1 - UE4Editor.exe Race 127.0.0.1 -game

it’s work wonderfull

Why don’t work on network?

Brandmauer was stop but it is not help.

Thenk you.

The problem solved.