Just as you go to see the doctor or dentist for a checkup, so it goes with the network. Seeing a network as a digital version of a living body may assist you in keeping the network in top form. Just as with the human body with many sub-systems interacting, so it is with a network.
This digital body has an early warning system. It is called SNMP (Simple Network Management Protocol). Many network vendors supply support for SNMP.
The overview is simple. A device joins a community, and a normal operating range is set. Should a device go out of bounds, an alert is created and sent. This alert may be email or/a pager. The message is known as a trap.
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Version 1.0 - Version Date: November 7, 2004
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