Simple Network Management Protocol (SNMP) is AN application layer protocol that's used for network device management. This protocol will collects and manipulate valuable network data from switches, routers, servers, printers, and alternative network-attached devices.
An SNMP-managed network consists of 2 components:
An SNMP-managed network consists of 2 components:
1. Network management station (NMS) – the software system that runs on the executive pc. This software system gathers SNMP information by requiring the devices on the network to disclose sure data. Devices may inform the NMS regarding issues they're experiencing by causation AN SNMP
2. Agent – the software system that runs on managed devices and reports data via SNMP to the NMS.
How SNMP works?
The router R1 is organized to send SNMP traps to the NMS Station. If a retardant happens, the router can send AN SNMP lure to Host A. to Illustrate, if there's a port security violation on R1, the router can send the SNMP lure, notifying that there has been a possible security breach on the network.
NOTE – SNMP agents use a UDP port 161, whereas the manager uses a UDP port 162. this SNMP version is SNMPv3. The previous versions, SNMPv1 and SNMPv2 ar thought-about obsolete and will not be used.
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