The AppleShare Client does not use Best Routing completely. Without Best Routing, a problem may occur which causes the router to pass the returning packet to another router, rather than to the PC workstation. The Network Software Installer (NSI) 1.5.1 installed on the AppleShare server fixes this. Be sure NSI 1.5.1 is installed on the server.
This article was published in the "Information Alley": Volume II, Issue 6, Page 13