What Is Oid in Nagios?

SNMP (Simple Network Management Protocol) is a network protocol designed for monitoring network-attached devices. It uses OIDs (Object IDentifiers) for defining the information, known as MIBs (Management Information Base), that can be monitored.

What is OID network?

In the Simple Network Management Protocol (SNMP), OID means an "Object Identifier." To define OID, it's an address used to uniquely identify managed devices and their statuses.

What is the function of an OID?

An OID is a unique identifier that locates an element within the structure of a parsed document instance. The OID also records to which document instance the element belongs. This means you can save an OID in a variable, and then later refer to it in OID functions. It makes no difference what the current document is.