Objectives

On successful completion of this course, attendees will be able to:

• define startup and session establishment procedures to VTAM
• reinforce understanding of SNA architecture implementation
• define network resources (major/minor nodes) to VTAM
• avoid the most common mistakes made by new users
• identify and code routing requirements for a VTAM network
• code the definitions to support cross-domain communication
• understand uses of VTAM console commands and communications controller hardware
• describe various backup/recovery facilities

Who Should Attend

All those who support VTAM based networks in any capacity will benefit from this course.

Prerequisites

A knowledge of MVS concepts. A basic understanding of network concepts would be helpful but is not mandatory.

Duration

2 days

Fee

£850 (ex. VAT)

Course Code

VT

Contents

Introduction

What is SNA?; hardware and software; nodes and datalinks; SNA layers.

Network Accessible Units

SNA NAUs; SSCP functions; CMC and data hosts; PU types and functions; LU functions; NAU data flow; address awareness; network addresses and message format.

SNA sessions

Sessions and half-sessions; half-session layers; session types; setup flows; initiation sequences; logon request processing; LU-LU session types.

Network installation

Network planning; MVS considerations; Network related data sets; VTAM start procedure; SYS1.VTAMLST.

Network definitions

Major & minor nodes.

Applications & local terminals

Applications & local terminals; application major nodes; TSO sessions; SNA terminals; SNA major nodes; non-SNA terminals.

Console commands

Start; Display Net; Vary Net; Modify; Halt.

User tables

USS logon procedure; Mode tables; USS tables; USSCMD macro; USSPARM macro.

Multi-Systems Networking Facility

MSNF Terminology; Path control; transmission groups; explicit routes; PATH statement; Class of Service (COS); cross domain logon processing; cross domain resource managers; CDRSC definitions; cross domain resources.