The Simple Network Management Protocol (SNMP) is an Internet-standard that provides a simple method for remotely managing virtually any network device that supports SNMP. A network device can be a network card in a server; a program or service running on a server; or a network device such as a hub, switch, or router. The SNMP standard defines a two-tiered approach to network device
management: a central management system and the management information base (MIB) located on the managed device. The management system can monitor one or many MIBs, allowing for centralized management of a network. From a management system, you can see valuable performance and network device operation statistics, enabling you to diagnose network health without leaving your office. The goal of a management system is to provide centralized network
management. Any computer running SNMP management software is referred to as a management system. For a management system to be able to perform centralized network management, it must be able to collect and analyze many things, including the following:
- Network protocol identification and statistics
- Dynamic identification of computers attached to the network (referred to as
- discovery)
- Hardware and software configuration data
- Computer performance and usage statistics
- Computer event and error messages
- Program and application usage statistics
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