This problem occurs if you have Use default gateway on remote network selected under TCP/IP settings in the RAS Phonebook. This feature adds a route to the route table, and the new route allows IP addresses that are not resolved by other entries in the route table to be routed to the gateway on the RAS link. However, to use Internet utilities, such as a WEB browser or FTP, this feature must be enabled.
To ping or otherwise connect to computers in a remote subnet across a router while you are connected as a RAS client to a remote Windows NT RAS Server
· Use the route add command to add the route of the subnet you are attempting to use and tie that route to the local LAN gateway by adding the appropriate subnet mask.