Across the Boards
Communications Device Drivers
Section 5 - General Configuration and Usage Information
Page 204
cfSOFTWARE Confidential,
2000
5.16 LU6.2 Configuration
This section provides an overview of setting up LU6.2 connections for use with
Across the Boards
and
pcMAINFRAME
. This section covers the mainframe (VTAM and CICS) configurations in detail, only an
overview is given of the PC side (emulator) configuration.
See the device specific sections for more information
about configuring emulators for LU6.2 support
.
The documentation in this section assumes that an APPN connection will be used (e.g., Independent LUs are
assumed). It is possible to run LU6.2 connections with dependent LUs, but this should in general be avoided.
Contact cfSOFTWARE technical support for assistance in configuring dependent LUs.
Four areas require configuration for LU6.2 support: CICS, VTAM, the emulator or gateway, and the application
(
Across the Boards
or
pcMAINFRAME
).
Emulator, VTAM and CICS Configuration Overview
The emulator, VTAM and CICS must be configured to support the LU 6.2 connection(s) that the application
will use to access CICS transactions, or, in the case of pcMAINFRAME Host-Init, be accessed by CFXINIT.
The following discussion is necessarily general given the diversity of SNA networks. The procedures and
changes described below describe one of many ways to implement the required functions. The emulator,
VTAM and CICS configuration changes should be planned and implemented by the SNA Network Management
staff at your site.
Two possible configurations are possible: The emulator can share a PU definition with other users (usually
when attached via a gateway), or it can be assigned a private PU.
This discussion assumes that the host connection will be defined as an Independent LU (not all functions may be
available if dependent LUs are used). Further, we strongly recommend configuring the host connection as an
APPN peer connection. Other configurations are possible, but are significantly more complex to implement.
See the IBM VTAM Network Implementation Guide and contact cfSOFTWARE technical support for additional
information
.
Configuring a Private PU for the Emulator
NOTE
: A private PU would normally be assigned to a PC with a direct connection to the mainframe,
for example a DLC connection. Most gateway connections would use a shared PU.
To set up a private PU for the emulator use, the VTAM configuration should generally be done first, and then
the emulator and CICS configurations.
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