CONTENTS Title Page Copyright Page Preface Part I Introductory Information 1 Introduction 1.1 Introduction to X.25 Management 1.2 How to Use this Book Part II Managing an X.25 System 2 Tools 2.1 Introduction 2.1.1 NCL (Network Control Language) 2.1.1.1 Interactive NCL 2.1.1.2 NCL Script 2.1.2 Configuration Program 2.1.2.1 Capabilities 2.1.3 Event Logging 2.1.4 When to Use Each Tool 2.1.4.1 Using the Configuration Program as an NCL Aid 2.2 Using NCL 2.2.1 Updating the Permanent Configuration 2.3 Using the NCL script 2.3.1 Logging In 2.3.2 Editing the NCL Script 2.3.3 Creating a CMIP version of the NCL script 2.3.4 Rebooting the System 2.4 Using the Configuration Program 2.4.1 Logging In 2.4.2 Running the Configuration Program 2.4.3 Rebooting the System 3 Management Tasks 3.1 Overview 3.2 Assumptions 3.3 Tasks 3.3.1 Add an Item Using the Configuration Program 3.3.2 Modify an Item Using the Configuration Program 3.3.3 Delete an Item Using the Configuration Program 3.3.4 Add a Remote DTE Class 3.3.5 Modify a Remote DTE Class 3.3.6 Delete a Remote DTE Class 3.3.7 Add a Template 3.3.8 Modify a Template 3.3.9 Delete a Template 3.3.10 Add an Application 3.3.11 Modify an Application 3.3.12 Delete an Application 3.3.13 Add a Filter to an Application 3.3.14 Modify a Filter of an Application 3.3.15 Delete a Filter of an Application 3.3.16 Modify the Name of a Gateway Client 3.3.17 Add a Client System to a Gateway Client 3.3.18 Modify the name of a Client system in a Gateway Client 3.3.19 Delete a Client System from a Gateway Client 3.3.20 Add a Filter to a Gateway Client 3.3.21 Modify a Filter to a Gateway Client 3.3.22 Delete a Filter from a Gateway Client 3.3.23 Adding a Relay Client 3.3.24 Modifying a Relay Client 3.3.25 Deleting a Relay Client 3.4 Alternatives to the Configuration Program 3.5 Security 3.6 Product-Specific Features 3.6.1 P.S.I. MAIL 3.6.2 VAX P.S.I. Accounting 3.6.3 VAX P.S.I. X.29 and PAD Part III Monitoring an X.25 System 4 Monitoring an X.25 System 4.1 Event Logging 4.2 Trace Facilities 4.2.1 VMS - Common Trace Facility (CTF) 4.3 Accounting Facilities 4.3.1 VMS - P.S.I. Accounting Part IV Conceptual Information 5 The X.25 Management Model 5.1 Introduction 5.2 Modules Used in an X.25 System 5.3 Entities 5.3.1 Modem Connect 5.3.2 LLC2 5.3.3 LAPB 5.3.4 X25 Protocol 5.3.5 X25 Access 5.3.6 X25 Server 5.3.7 X25 Client 5.3.8 X25 Relay 5.4 Modules and Entities Used in Each X.25 System 5.5 Examples of X.25 Systems 5.5.1 Client Systems 5.5.2 Native 5.5.3 Connector Systems 5.5.4 Relay Systems 6 The Parts of an X.25 System 6.1 Introduction 6.2 Summary of Call Handling 6.2.1 Making a Call 6.2.2 Receiving a Call 6.3 DTEs, Links, and Lines 6.3.1 DTEs 6.3.1.1 Designing DTEs 6.3.2 Local DTE Classes 6.3.2.1 DTE Class with Multiple DTEs 6.3.3 Remote DTE Classes 6.3.4 Groups 6.3.4.1 Designing Groups 6.3.5 PVCs (VMS systems only) 6.3.5.1 Designing PVCs 6.3.6 LAPB Links 6.3.6.1 Designing LAPB Links 6.3.7 LLC2 Links 6.3.7.1 Designing LLC2 Links 6.3.7.2 Designing LLC2 DTEs 6.3.8 Lines 6.4 Templates 6.4.1 Designing Templates 6.4.1.1 Call Setup 6.4.1.2 Special Features 6.4.1.3 Additional Information for Filtering 6.4.2 Default Templates 6.4.2.1 The Default Template 6.5 Application Filters 6.5.1 How Filters Are Used 6.5.2 Designing Filters 6.5.2.1 Addressing Attributes 6.5.2.2 Redirection Attributes 6.5.2.3 Application Dependent Attributes 6.6 Client Filters 6.7 X.25 Applications 6.7.1 Designing Applications 6.8 Server-Clients 6.8.1 Designing Server-Clients 6.9 Relay Clients 6.9.1 Designing Relay Clients 7 Addresses 7.1 Types of Addresses in an X.25 System 7.2 DTE Addresses 7.2.1 DNIC 7.2.2 National Number 7.3 NSAPs 7.3.1 IDP 7.3.1.1 AFI 7.3.1.2 IDI 7.3.2 DSP Part V Reference Information A NCL and the NCL Script A.1 Introduction A.2 Conventions A.3 Tasks A.3.1 Add a Local DTE Using NCL A.3.2 Modify a Local DTE Using NCL A.3.3 Delete a Local DTE Using NCL A.3.4 Add a Local DTE Class A.3.5 Modify a Local DTE Class A.3.6 Delete a Local DTE Class A.3.7 Add a Remote DTE Class A.3.8 Modify a Remote DTE Class A.3.9 Delete a Remote DTE Class A.3.10 Add a Group A.3.11 Modify a Group A.3.12 Delete a Group A.3.13 Add Members to a Group A.3.14 Remove Members from a Group A.3.15 Add a PVC to a DTE (VMS systems only) A.3.16 Modify a PVC (VMS systems only) A.3.17 Delete a PVC Using NCL (VMS systems only) A.3.18 Add a Template A.3.19 Modify a Template A.3.20 Delete a Template A.3.21 Add an Application A.3.22 Modify an Application A.3.23 Delete an Application A.3.24 Add a Filter to an Application A.3.25 Modify a Filter to an Application A.3.26 Delete a Filter to an Application A.3.27 Add a Gateway Client Using NCL A.3.28 Modify a Gateway Client A.3.29 Delete a Gateway Client A.3.30 Add a Client System to a Gateway Client A.3.31 Remove a Client System from a Gateway Client A.3.32 Add a Filter to a Gateway Client A.3.33 Modify a Filter to a Gateway Client A.3.34 Delete a Filter to a Gateway Client Using NCL A.3.35 Add a DTE that Operates Over an LLC2 Link A.3.36 Modify an LLC2 DTE A.3.37 Delete an LLC2 DTE A.3.38 Add a Reachable Address A.3.39 Modify a Reachable Address A.3.40 Delete a Reachable Address A.3.41 Example Configuration for the Portal Function of DEC X25gateway B ULTRIX Tracing B.1 Running x25traced B.1.1 Running Trace during Installation B.2 Setting/Displaying Trace Points B.2.1 Formatting Trace Records B.2.2 Formatting Routines B.3 Example C ULTRIX Accounting C.1 Accessing an Accounting Record C.2 Contents of AccountingRecords C.3 Example of an Accounting Daemon FIGURES 5-1 Modem Connect Module Entities in an X.25 System 5-2 LLC2 Module Entities in an X.25 System 5-3 LAPB Module Entities in an X.25 System 5-4 X.25 Protocol Module Entities 5-5 X.25 Access Module Entities 5-6 X.25 Server Module Entities 5-7 X25 Relay Module Entities 5-8 Example Configuration for DEC X25gateway as Portal 7-1 The Format of a DTE Address 7-2 The Format of an NSAP A-1 Example Portal Configuration TABLES 2-1 When to Use Each Tool 3-1 Management Tasks for an X.25 System 5-1 The Modules and Entities Used in Each X.25 System 5-2 Example of Modules and Entities in a Client System 5-3 Example of Modules and Entities in a Native System 5-4 Example of Modules and Entities in a Connector System 5-5 Example of Modules and Entities in a Portal System 6-1 Characteristic Attributes of an X25 PROTOCOL DTE Entity 6-2 Characteristics of an X25 PROTOCOL GROUP Entity 6-3 Characteristics of an X25 PROTOCOL DTE PVC Entity 6-4 Characteristics of an LAPB LINK Entity 6-5 Characteristics of an LLC2 SAP Entity 6-6 Characteristics of an LLC2 SAP LINK Entity 6-7 Characteristics of a MODEM CONNECT LINE Entity 6-8 Characteristics of an X25 ACCESS TEMPLATE Entity 6-9 Characteristics of an X25 ACCESS FILTER Entity 6-10 Characteristics of an X25 ACCESS APPLICATION Entity 6-11 Characteristics of an X25 SERVER CLIENT Entity 6-12 Characteristics of an X25 RELAY CLIENT Entity A-1 Management Tasks using NCL