CONTENTS

  Title Page

  Copyright Page

  Preface

  1      Introduction

  1.1     Introduction to X.25 Management

  1.2     How to Use this Manual

  Part I    Conceptual Information

  2      The X.25 Management Model

  2.1     Introduction

  2.2     Modules Used in an X.25 for OpenVMS System

  2.3     Entities
    2.3.1      Modem Connect
    2.3.2      Device
    2.3.3      LAPB
    2.3.4      CSMA-CD or FDDI
    2.3.5      LLC2
    2.3.6      X25 Protocol
    2.3.7      X25 Access
    2.3.8      X25 Server
    2.3.9      X25 Client

  2.4     Modules and Entities Used in Each Type of X.25 System

  2.5     Example Configurations
    2.5.1      X.25 Client System Configuration
    2.5.2      X.25 Direct Connect System Configuration
    2.5.3      Connector System Configuration

  3      The Components of an X.25 for OpenVMS System

  3.1     Summary of Call Handling
    3.1.1      Making a Call from a Direct Connect System
    3.1.2      Receiving a Call on a Direct Connect System
    3.1.3      Making a Call from a Client System
    3.1.4      Receiving a Call on a Client System

  3.2     DTEs, Links, and Lines
    3.2.1      DTEs
      3.2.1.1      Designing DTEs
    3.2.2      Local DTE Classes
    3.2.3      Remote DTE Classes
    3.2.4      Groups
      3.2.4.1      Designing Groups
    3.2.5      PVCs
      3.2.5.1      Designing PVCs
    3.2.6      LAPB Links
      3.2.6.1      Designing LAPB Links
    3.2.7      CSMA-CD and FDDI Stations
      3.2.7.1      Designing CSMA-CD Links
      3.2.7.2      Designing FDDI Links
    3.2.8      LLC2 Links
      3.2.8.1      Designing LLC2 Links
      3.2.8.2      Designing LLC2 DTEs
    3.2.9      Lines
      3.2.9.1      Designing Lines

  3.3     Templates
    3.3.1      The Default Template
    3.3.2      Designing Templates
      3.3.2.1      Call Setup
      3.3.2.2      Special Features
      3.3.2.3      Additional Information for Filtering

  3.4     Application Filters
    3.4.1      How Filters Are Used
    3.4.2      Designing Filters
      3.4.2.1      Addressing Attributes
      3.4.2.2      Redirection Attributes
      3.4.2.3      Application-dependent Attributes
      3.4.2.4      Attribute Constraints

  3.5     Client Filters (OpenVMS VAX Only)

  3.6     X.25 Applications
    3.6.1      Designing Applications

  3.7     Server-Clients (OpenVMS VAX Only)
    3.7.1      Designing Server-Clients

  3.8     Relay Clients (OpenVMS VAX Only)
    3.8.1      Designing Relay Clients

  Part II    Platform-specific Information

  4      X.25 for OpenVMS AXP Systems

  4.1     Network Configurations
    4.1.1      Overview
    4.1.2      Direct Connection Over LAPB
    4.1.3      Direct Connection Over LLC2
    4.1.4      X.25 Client

  4.2     Facilities Provided by X.25 AXP
    4.2.1      X.25 and X.29 Programming
    4.2.2      Accounting
    4.2.3      Security
    4.2.4      Management
    4.2.5      Common Trace Facility (CTF)
    4.2.6      X.29 Access
    4.2.7      X.25 Mail

  4.3     Optional Facilities of Public and Private PSDNs
    4.3.1      General Optional User Facilities
    4.3.2      Closed User Groups
    4.3.3      Bilateral Closed User Groups
    4.3.4      DTE Parameters

  5      X.25 for OpenVMS VAX Systems

  5.1     Network Configurations
    5.1.1      VAX P.S.I.
    5.1.2      VAX P.S.I. Access
      5.1.2.1      Combination Systems

  5.2     VAX P.S.I. and VAX P.S.I. Access Facilities

  5.3     Optional Facilities of Public and Private PSDNs
    5.3.1      General Optional User Facilities
    5.3.2      Closed User Groups
    5.3.3      Bilateral Closed User Groups
    5.3.4      DTE Parameters

  Part III    Managing an X.25 System

  6      Tools

  6.1     Introduction

  6.2     Network Control Language (NCL)
    6.2.1      Interactive NCL
    6.2.2      NCL Scripts
    6.2.3      Changing a Configuration

  6.3     Configuration Program

  6.4     When to Use Each Tool

  6.5     Security Considerations

  7      Management Tasks (NCL)

  7.1     Introduction

  7.2     Conventions

  7.3     Tasks
    7.3.1      Local DTEs and DTE Classes
      7.3.1.1      Add a Local DTE
      7.3.1.2      Modify a Local DTE
      7.3.1.3      Delete a Local DTE
      7.3.1.4      Add a Local DTE Class
      7.3.1.5      Modify a Local DTE Class
      7.3.1.6      Delete a Local DTE Class
    7.3.2      Remote DTE Classes
      7.3.2.1      Add a Remote DTE Class
      7.3.2.2      Modify a Remote DTE Class
      7.3.2.3      Delete a Remote DTE Class
    7.3.3      Groups
      7.3.3.1      Add a Group
      7.3.3.2      Modify a Group
      7.3.3.3      Delete a Group
      7.3.3.4      Add Members to a Group
      7.3.3.5      Remove Members from a Group
    7.3.4      PVCs
      7.3.4.1      Add a PVC to a DTE
      7.3.4.2      Modify a PVC
      7.3.4.3      Delete a PVC
    7.3.5      Templates
      7.3.5.1      Add a Template
      7.3.5.2      Modify a Template
      7.3.5.3      Delete a Template
    7.3.6      Applications
      7.3.6.1      Add an Application
      7.3.6.2      Modify an Application
      7.3.6.3      Delete an Application
      7.3.6.4      Add a Filter to an Application
      7.3.6.5      Modify an Application's Filter(s)
      7.3.6.6      Delete a Filter from an Application
    7.3.7      Connector Systems
      7.3.7.1      Create a Client System
      7.3.7.2      Modify a Client System
      7.3.7.3      Delete a Client System
      7.3.7.4      Add a Client System to a Connector System (OpenVMS AXP)
      7.3.7.5      Remove a Client System from a Connector System (OpenVMS AXP)
      7.3.7.6      Add a Filter to a Connector System
      7.3.7.7      Modify a Filter to a Client System
      7.3.7.8      Delete a Filter associated with a Client System
    7.3.8      Event Logging
      7.3.8.1      Add an Event Stream
      7.3.8.2      Modify an Event Stream
      7.3.8.3      Delete an Event Stream
      7.3.8.4      Block all Events from an Entity
      7.3.8.5      Block Selected Events from an Entity
      7.3.8.6      Block All Events from One Instance of an Entity
      7.3.8.7      Block Selected Events from a Specific Instance of an Entity
      7.3.8.8      Block Events from an Entity Except for a Specific Instance
    7.3.9      Reachable Addresses
      7.3.9.1      Add a Reachable Address
      7.3.9.2      Modify a Reachable Address
      7.3.9.3      Delete a Reachable Address
    7.3.10     LAPB Links
      7.3.10.1     Create LAPB Links
      7.3.10.2     Modify LAPB Links
      7.3.10.3     Delete LAPB Link
    7.3.11     CSMA-CD and FDDI
      7.3.11.1     Creating CSMA-CD Stations
      7.3.11.2     Creating FDDI Stations
    7.3.12     Creating LLC2 Data Links
      7.3.12.1     Modify an LLC2 DTE
      7.3.12.2     Delete an LLC2 DTE

  8      Management Tasks (Configuration Program)

  8.1     Overview

  8.2     Assumptions

  8.3     Tasks
    8.3.1      Adding an Item
    8.3.2      Modifying an Item
    8.3.3      Deleting an Item
    8.3.4      Remote DTE Classes
      8.3.4.1      Add a Remote DTE Class
      8.3.4.2      Modify a Remote DTE Class
      8.3.4.3      Delete a Remote DTE Class
    8.3.5      Templates
      8.3.5.1      Add a Template
      8.3.5.2      Modify a Template
      8.3.5.3      Delete a Template
    8.3.6      Applications
      8.3.6.1      Add an Application
      8.3.6.2      Modify an Application
      8.3.6.3      Delete an Application
      8.3.6.4      Add a Filter to an Application
      8.3.6.5      Modify a Filter of an Application
      8.3.6.6      Delete a Filter of an Application
    8.3.7      Filters
      8.3.7.1      Add a Filter to an Application
      8.3.7.2      Modify a Filter of an Application
      8.3.7.3      Delete a Filter from an Application
    8.3.8      Connector Systems

  Part IV    Monitoring an X.25 System

  9      Facilities for Monitoring an X.25 System

  9.1     Event Logging

  9.2     Common Trace Facility (CTF)

  9.3     X.25 Accounting

  A   System-wide Logicals Used By X.25 for OpenVMS

  B   General Optional PSDN Facilities Supported by X.25 for OpenVMS

  C   Optional Facilities of CUGs and BCUGs Supported by X.25 for OpenVMS

  D   DTE Parameters Supported by X.25 for OpenVMS

  FIGURES

  3-1        Example X.25 for OpenVMS Configuration

  4-1        Direct Connection Using LAPB

  4-2        Direct Connection Using LLC2

  4-3        Example X.25 AXP Configuration

  5-1        VAX P.S.I.

  5-2        LLC2 Communications

  5-3        Connecting Access Systems to PSDNs

  5-4        Combination System

  TABLES

  2-1        The Modules and Entities Used in Each Type of X.25 System

  2-2        Example of Modules and Entities in a Client System

  2-3        Example of Modules and Entities in a Direct Connect System

  2-4        Example of Modules and Entities in a Connector System

  3-1        Characteristic Attributes of an X25 PROTOCOL DTE Entity

  3-2        Characteristics of an X25 PROTOCOL GROUP Entity

  3-3        Characteristics of an X25 PROTOCOL DTE PVC Entity

  3-4        Characteristics of a LAPB LINK Entity

  3-5        Characteristics of an LLC2 SAP Entity

  3-6        Characteristics of an LLC2 SAP LINK Entity

  3-7        Characteristics of a MODEM CONNECT LINE Entity

  3-8        Characteristics of an X25 ACCESS TEMPLATE Entity

  3-9        Characteristics of an X25 ACCESS FILTER Entity

  3-10       Characteristics of an X25 ACCESS APPLICATION Entity

  3-11       Characteristics of an X25 SERVER CLIENT Entity

  3-12       Characteristics of an X25 RELAY CLIENT Entity

  6-1        When to Use Each Tool

  7-1        Management Tasks using NCL

  8-1        Management Tasks for an X.25 for OpenVMS System

  A-1        System-wide Logicals

  B-1        Optional Facilities Supported by PSDNs

  C-1        CUGs:  Optional Facilities

  C-2        BCUGs:  Optional Facilities

  D-1        Packet Control Parameters

  D-2        Frame Control Parameters (LAPB LINK Entity)

  D-3        Frame Control Parameters (LLC2 SAP...LINK...  Entity)