Expand Configuration and Management Manual (G06.24+)

Configuring Expand-Over-SNA Lines

Expand Configuration and Management Manual—523347-008

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SNAX/APN Line-Handler Process

The Expand-over-SNA line-handler process uses the services of a SNAX/APN

line-handler process to provide access to an IBM SNA network. The SNA network can

be a traditional network of host mainframes and front end processors, an advanced

peer-to-peer network of AS400 systems or other workstations, or a mix of these types

of networks.

Each Expand-over-SNA line-handler process must be configured to use a particular

SNAX/APN line and logical unit (LU). At least one SNAX/APN line-handler process and

one Expand line-handler process must be configured and started at each end of the

SNA network through which the Expand-over-SNA line-handler process will

communicate. A SNAX/APN line and an associated LU must be configured and started

before the Expand-over-SNA line-handler process can begin exchanging data over an

SNA network.

For information about creating SNAX/APN line-handler processes, refer to the WAN

Subsystem Configuration and Management Manual. For information about adding

SNAX/APN lines and LUs, refer to the SNAX/XF and SNAX/APN Configuration and

Management Manual.

QIO Subsystem

QIO is a mechanism for transferring data between processes through a shared

memory segment. The QIO subsystem is preconfigured and started during the system

load sequence. The QIO subsystem must be started and running before Expand

line-handler processes can be started.

For information about the QIO subsystem, refer to the QIO Configuration and

Management Manual. For information about how the WAN subsystem uses QIO, refer

to the WAN Subsystem Configuration and Management Manual.

Wide Area Network (WAN) Shared Driver

The WAN shared driver is a set of library procedures that is bound with each input-

output process (IOP) that uses a ServerNet wide area network (SWAN) concentrator.

The WAN shared driver is a component of the WAN subsystem. The WAN subsystem

is preconfigured and started during the system load sequence.

For information about the WAN subsystem, refer to the WAN Subsystem Configuration

and Management Manual.