SNMP Architecture

SNMP follows a Manager–Agent architecture, enabling centralized monitoring of multiple devices from a single system.

SNMP Manager

The SNMP Manager is the central monitoring system responsible for collecting and analyzing device information.

  • Polls devices to collect performance data.
  • Sends SNMP requests such as GET, GETNEXT, GETBULK, and SET.
  • Receives and processes SNMP traps and inform messages.
  • Displays monitoring data and generates alerts.

Examples: OpsRamp Gateway, enterprise monitoring systems, and network management platforms.

SNMP Agent

The SNMP Agent is software running on the managed device that communicates with the SNMP Manager.

  • Collects data from device hardware or operating system
  • Maintains MIB information
  • Responds to requests from the SNMP Manager
  • Sends alerts (traps/informs) when events occur

SNMP Agents are commonly available on servers, network devices, storage systems, UPS, and more.

Managed Devices

Managed devices are SNMP-enabled infrastructure components monitored by the SNMP Manager.

  • Network devices (routers, switches, firewalls)
  • Servers and storage systems
  • Printers, IoT, and infrastructure devices
  • Power and environmental systems (UPS, sensors)
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