Hey guys. 
I have quite strange problem. First I'll explain shortly before going to details. 
I have 2 PCs having 2 adapters connected to 2 switches. 
PC1 port 1 - 10.220.16.126
Port 2 - 10.220.17.126
PC2 port 1 - 10.220.16.127
Port 2 - 10.220.17.127...