Both drift and audit are critical functions for ensuring that network configurations match the intended design and operation. Configurations may be retrieved and updated using any of several mechanisms, including the command-line interface ( CLI), SNMP, RESTCONF and NETCONF.Ĭonfiguration analysis identifies day-to-day changes (drift) and audit compliance exceptions where configurations don't match network design policies. Network change and configuration management (NCCM) archives network device configurations and can be used to automate configuration updates. Network change and configuration management Event processing is used to identify critical events, reducing the volume of alerts that network administrators must handle.
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Events enable the network to advise administrators of important events without having to poll network devices. The functions of a network monitoring and management system can be broken down into several categories, each of which performs a specific function.īelow is a reference network management architecture, developed by NetCraftsmen, that identifies the different data collection categories, how they share data and the protocols that are used.Įvent collection relies on Simple Network Management Protocol ( SNMP) traps and syslog to collect network event data. These network problems can include the following:
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The collected data is filtered and analyzed to identify a variety of network problems. Network monitoring collects and reports on a variety of data from a computer network, including routers, switches, firewalls, load balancers and even endpoints, like servers and workstations. Technically, network monitoring can be viewed as a subset of network management, but the two are considered equivalent in practice. Network monitoring, also frequently called network management, is the practice of consistently overseeing a computer network for any failures or deficiencies to ensure continued network performance.