X.25 for OpenVMS

This document serves as a comprehensive guide for network managers to configure X.25 for OpenVMS. It details the process of using the x25$configure utility to set up the system. The guide is structured into three main parts: Basic Configuration Mode, Advanced Configuration Mode, and Configuration Verification and Modification. It covers planning the configuration, choosing the appropriate mode based on system requirements, utilizing the help facility, verifying the configuration via the Configuration Test Procedure (CTP), and managing modifications. Appendices provide blank parameter recording tables and examples of startup scripts.