Getting a Quick Start with NerveCenter
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Introduction - SNMP Basics -
If you're familiar with the Simple Network Management Protocol (SNMP), you know that managed devices containing SNMP agents are associated with a management information base (MIB), which has a defined organization. This organization resembles a tree with branches that categorize managed systems and their object components, each represented as an entry in the information tree. Different devices, or agents, contain different objects. For example, a workstation wouldn't be expected to store routing-table information, whereas a router would have this information.
Attributes are associated with MIB objects. Some attributes, such as the speed of an interface, are statically defined, while others, such as the entries in a routing table, are dynamic. Still other attributes require ongoing measurement for comparison and evaluation. An example of this is the number of packets transmitted without errors during a given period of time.
While reading this book, you will learn how NerveCenter uses behavior models to monitor MIB values. This book will also show you how NerveCenter communicates with agents by sending SNMP GetRequest, GetNextRequest, and SetRequest messages, as well as by processing SNMP traps received from an agent.
| Understanding NerveCenter | Installing NerveCenter |
| 29 July 2003 |