Simple Network Management Protocol (SNMP)

For more information see DigitalOcean’s page

Running SNMP creates a “managed network.”

A Network Management System is software that runs the SNMP. This software runs on a device and can use SNMP to monitor and control other devices on the network. The devices under management are called agents.

Network Management System (NMS)

Core Functions

Message	Direction	Action
Get	manager -> agent	request a specific property from the agent
GetNext	manager -> MIB	Get the next sequential object in the MIB
GetBulk	manager -> agent	fill as many properties will fit in the response
Inform	manager -> agent	inform reciept of trap
Response	agent -> manager	send info in response to any message from the manager, including an inform
Set	manager -> agent	set a specified property
Trap	agent -> manager	asynchronous update

Management Information Base (MIB)

This is a device on a managed network that collect data for later review.

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