A compound event is an output of the analysis engine. DFM CiscoWorks2000 Device Fault Manager. A network management and analytical tool that enables one to monitor network devices and determine the root cause of device problems. DFM Server See domain manager. In DFM, the process of using probing to analyze a network element.
Discovery consists of a collection of probes.
Based on the results of generic device capability probes, other more specific probes are selected and executed to fully determine the capabilities and internal structure of each network element. In DFM terminology, also referred to as collection . A process running DFM software that monitors network elements, uses analysis technology to pinpoint the root cause of failures, and diagnoses the effects of the failures on related elements. Also known as the DFM Server or domain server. F flapping The excessive fluctuation of a network element between up and down states within a short period of time.