Object Identifiers

Purpose

The purpose of this document is to explain Object Identifiers OIDs.

Introduction

Object Identifiers (OIDs) are an unique ISO identifier mechanism for naming any object with a globally unambiguous persistent name. It consists of a string of numbers allocated in a hierarchical manner.

Syntax

An OID corresponds to a node in the OID hierarchy, which is defined using the ITU's OID standard, X.660. The root of the tree contains of three arcs: 0=ITU-T, 1=ISO, 2=joint-iso-itu-t

Each node in the tree is represented by a series of integers separated by periods, corresponding to the path from the root through the series of ancestor nodes, to the node. Thus, an OID denoting Outpost 24 appears as follows,

1.3.6.1.4.1.24255

and corresponds to the following path through the OID tree:

A textual representation of the OID paths is also commonly seen; for example:

iso.organization.dod.internet.private.enterprise.Outpost24 AB

Each node in the tree is controlled by an assigning authority, which may define child nodes under the node and delegate assigning authority for the child nodes.

1.3.6.1.4.1.24255 

{iso(1) org(3) dod(6) internet(1) private(4) enterprise(1) Outpost24 AB(24255)}

Outpost24 AB Registered Enterprise OID

The next position represents the node for SNMP Routines within Outpost24 for our products where 1=HIAB.

Node for SNMP Routines

1.3.6.1.4.1.24255.1

{iso(1) org(3) dod(6) internet(1) private(4) enterprise(1) Outpost24 AB(24255) HIAB(1)}

Info Routine

1.3.6.1.4.1.24255.1.1

{iso(1) org(3) dod(6) internet(1) private(4) enterprise(1) Outpost24 AB(24255) HIAB(1) INFO(1)}

Trap Routine

1.3.6.1.4.1.24255.1.4

{iso(1) org(3) dod(6) internet(1) private(4) enterprise(1) Outpost24 AB(24255) HIAB(1) TRAP(4)}

Reference

Object Identifier - https://en.wikipedia.org/wiki/Object_identifier

OID-tree  http://www.oid-info.com/cgi-bin/display?tree=#focus

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