Chapter 1. Introduction to Network Node Manager, Customer Views, and Service Information Portal
OpenView Network Node Manager (NNM) is a Simple Network Management Protocol (SNMP)-based tool providing the capability to monitor networked devices and manage your enterprise. NNM provides discovery of IP devices, topological mapping of the devices, SNMP data collection, and the capability to receive and respond to SNMP traps. In addition to discovery, NNM can monitor some layer 2 devices while the Microsoft® Windows operating system implementation provides discovery and mapping of IPX devices.OpenView is a framework providing the architecture for managing servers, workstations, databases, and networking devices. NNM is known as the "common services platform" because many OpenView products use the underlying processes and databases provided by NNM. More than 100 vendors have developed over 300 products that integrate into the OpenView framework.This chapter covers background information on SNMP and introduces concepts of network management. The corporation presented in this chapter, Sealey Inc., is fictitious and is based on my experience as a system and network administrator. The theme will be carried throughout most of this book in an attempt to establish a real-world example of an NNM implementation. |
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