Written for both first-time and experienced users, this manual is a comprehensive guide to the features and functions of SunNet Manager (SNM), the leading open systems-based network management software platform for the UNIX market. Following a high-level description of SunNet Manager's underlying architecture, successive chapters cover various SNM features and tools, including the SunNet Manager Console, Management Database, Discover Tool, Browser Tool, Grapher Tool, and Set Tool. Appendices on error messages, man page summaries, and a glossary are also provided. The SunNet Manager 2.2 Reference Manual is one of three manuals in the SunNet Manager documentation set. The other two volumes are the SunNet Manager 2.2 User's Guide (ISBN 0-13-185109-8), which presents information in an easy- to-follow, step-by-step format on how to perform basic network management tasks, and the SunNet Manager 2.2 Programmer's Guide (ISBN 0-13-185083-0), which describes the most popular programmatic interface in the network management market.