SNMP Fundamentals & Concepts

The Simple Network Management Protocol or SNMP is a familiar site in mostnetworks. It not only offers ways for event notification but also for gettingdevice statistics, set configuration limitations, and several other operations. Inthis post, we will take a look at some of the fundamentals of SNMP.

SNMP is a protocol that works at the application level; it defines a procedureof communication between different networking devices and a centraladministrator for monitoring and management of these devices andnetworks.

SNMP concepts:

Components of SNMP:

There’re three components related with SNMP:

•SNMP manager – it is a central system that checks traffic received and sent by

the different device SNMP agents. It also manages all devices in the network

through these agents. It not only offers ways for event notification but also for

getting device statistics, set configuration limitations, and several other

operations.

•SNMP agent – it is a software unit that exists inside a network device; this component

is employed to maintain real time information regarding the elements operations. Also,

the agent is employed to communicate this information back to the SNMP manager

and perform control action set by the SNMP manager.

•MIB (Management Information Base) – the Management Information Base is a

practical information storage area where network management information is kept.

Inside the MIB there’re several diverse collections of objects that are linked together.

Each of these collections holds several variables that can be changed by the SNMP

manager or SNMP agent.

Once these components have been configured in a network, they’recapable of performing many operations. The accessible operations relyon what version of SNMP is used over the network.

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