Sun Java System Web Server 6.1 SP11 Administrator's Guide
ProcedureTo set up virtual server    1. Create a listen socket
2. Create a class of virtual servers    3. Configure the
services for the class    4. Create the virtual servers in a
virtual server class    5. Configure virtual servers      Please
note that you must enter an existing virtual server in the
default virtual server field when you create a listen socket.
You can use the virtual server created when you installed the
server, and then go back and change it after you’ve created
additional virtual servers.