LocalAreaNetwork

Hey guys!
Is it still possible to fly on a LAN in FS2004. In FS2002 it was/is possible, but in FS2004 I can't select: TCP/IP or internet(or something else) ???
Is it still possible to fly on a LAN in FS2004. In FS2002 it was/is possible, but in FS2004 I can't select: TCP/IP or internet(or something else) ???