Socket error 41578 irc5

Hello everyone , 

I'm using pc interface 615 to connect socket with my python code in my computer , at first i was using it with robotstudio directly to perform test , but now i want to implement the solution , so it gives me 41578 error , i connected the a lan cable from my pc to the WAN port , i have only wan and lan port available on the IRC5 .do i need to change a setting or what ?