How
Does SNMP Work?
Basic Communication via SNMP
Through SNMP, client-server communication can take place via the
“User Datagram Protocol” (UDP): A monitoring or management software sends
(as a client) a UDP packet to the SNMP server, the so-called “agent” which
is normally a piece of software running within a device. This in turn
reacts by sending an SNMP packet as an answer.Each single
question-answer-cycle enables the client to retrieve one “measurement”
from the device, for example network traffic, CPU-load, temperature, etc.
Depending on the inquiry method, several measurements can be transferred
at a time.
http://www.manageengine.com/network-monitoring/what-is-snmp.html
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