The Simple Network Management Protocol (SNMP) was originally developed in the 1980s and is still in use today. It is a standard Internet protocol. The protocol collects data from network devices such as routers, switches, servers and even typical peripheral devices.
SNMP allows network administrators to monitor the network status and its performance. If necessary, changes can also be made to specific devices within the network. Many network management systems include protocols that provide a method for centralized monitoring and control of network resources.
The main components of SNMP are the agent and the manager. The manager is the central unit that sends requests to agents and collects responses. It is therefore the user who operates the input.
Agents, on the other hand, are software components that run on network devices and provide information or perform actions at the manager's request. Communication is carried out through the exchange of SNMP messages, which are referred to as Protocol Data Units (PDU).
The simple structure and flexible data model of SNMP packets are its advantages. It uses a hierarchical data structure called "Management Information Base" (MIB), which contains a variety of attributes for each network device.
Network administrators can use the Internet Protocol to perform a variety of tasks. These include, for example, monitoring bandwidth consumption, configuring network settings and even updating software on the devices.
On devices with SNMP support (e.g. KVM switches KVM switches or KVM matrix systems), the functionality offers extensive possibilities for setting up automatisms and active alarm notifications (trap message). Tools for SNMP management offer options for issuing critical system statuses as alarms by e-mail or SMS.
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