Problem with a friend

[tenes]

Hello all,
I have create my own server and i can connect to him if i create in the table statusserver a server with 127.0.0.1 ip, and my friend can't connect to him but he can connect to the server if i create a server table with my wan ip .
if i create 2 server 1 with 127.0.0.1 and a other with my wan ip , i can see him in the game and start a game but i see him with bug and he see me with bug too ... i need to login on the same server with my friend how i can connect ? please

i use a Kekku server.
if you need screenshot i can take it.

sorry for my bad english i'm french.