Using SNMP in Iotellect Network Manager

Iotellect provides monitoring of custom SNMP devices by offering facilities for:

  • Communicating with SNMP devices using Simple Network Protocol device driver
  • Receiving SNMP traps from network devices
  • Editing Management Information Base directory (adding, removing, and modifying custom MIB files as needed)
  • Processing any custom data acquired from SNMP Devices and representing it as required by Iotellect's universal facilities

Iotellect requests complete information about all available SNMP objects (OIDs) via an SNMP Walk procedure (i.e. multiple GetNextRequest calls). The required values are periodically read (see also Synchronization) and all the acquired values are cached (see also Settings Cache).

The default synchronization period for SNMP devices is 24 hours. Some objects are polled with much shorter periods, e.g. network interface and processor statistics data are read every 15 minutes and every 30 seconds, respectively.

SNMP is intensively used by Iotellect Network Manager for managing network items. This involves several tasks:

  • Configuring managers and agents to make use of SNMP communications.
  • Monitoring network items by reading the values of their SNMP variables, and listening to management events sent as SNMP traps.
  • Calculating characteristics of network items, representing them in a handy form, analyzing, detecting, problems, making decisions using the collected SNMP data.
  • Controlling the configuration and state of managed items by changing values of SNMP variables they provide.
  • Generating SNMP traps.
  • Discovering devices and services, where SNMP is used to obtain data from routers and switches, and to find SNMP agents.

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