To connect simply do the following:
run the client program from the command line with the following arguments.
unix:
./ip2ip_fserv_client 192.168.1.100 1024
where 192.168.1.100 is the Ip address you wish to connect to and 1024 is the port
windows:
ip2ip_fserv_client.exe 192.168.1.100 1024
the same arguments for windows.