An NFS server can exploit the ability of the z/OS Communication Server to configure up to eight TCP/IP stacks simultaneously. An NFS server can interact with multiple TCP/IP stacks. A single NFS server will use the IP addresses associated with each stack.

The client works with any NFS server as an independent host. At startup, the client selects an NFS server using the server's IP address or HOST-NAME on the mount parameter. On shutdown of the NFS server, all the clients connected to that server will be forced to make new connections with another NFS server and to repeat the startup procedures, such as mvslogin and mount connections.