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What's a MIB?

A MIB (Management Information Base) is a structured document that defines the data a device exposes over SNMP — things like interface counters, system uptime, or CPU load. Each module declares a set of named objects, organized into a tree.

What's SNMP?

SNMP (Simple Network Management Protocol) is how network devices — routers, switches, servers — report status and statistics to monitoring tools. It's the protocol; MIBs are the vocabulary it uses to describe what's being asked for.

What's an OID?

An OID (Object Identifier) is the numeric address of one piece of data in a MIB — a dotted sequence like 1.3.6.1.2.1.1.1, read from the root of a global tree down to one specific object. Names are easier to read; OIDs are what's actually sent over the wire.

Try it: sysDescr (1.3.6.1.2.1.1.1) →

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iso/org/dod/internet/private/enterprises/.207/products/bridgeRouter

bridgeRouter

OBJECT IDENTIFIER

1.3.6.1.4.1.207.1.1

Source

ALLIEDTELESYN-MIB

Sub-identifiers

Description

No DESCRIPTION clause found for this object.

Children (48)

.1atiBridgeagent .8centreCOM-AR300Router .11centreCOM-AR720Router .12centreCOM-AR300LRouter .13centreCOM-AR310Router .14centreCOM-AR300LURouter .15centreCOM-AR300URouter .16centreCOM-AR310URouter .17centreCOM-AR350Router .18centreCOM-AR370Router .19centreCOM-AR330Router .20centreCOM-AR395Router .21centreCOM-AR390Router .22centreCOM-AR370URouter .23centreCOM-AR740Router .24centreCOM-AR140SRouter .25centreCOM-AR140URouter .26centreCOM-AR320Router .27centreCOM-AR130SRouter .28centreCOM-AR130URouter .29centreCOM-AR160Router .43at-AR740RouterDC .44centreCOM-AR120Router .47at-AR410Router .48at-AR725Router .49at-AR745Router .50at-AR410v2Router .51at-AR410v3Router .52at-AR725RouterDC .53at-AR745RouterDC .54at-AR450Router .55at-AR450DualRouter .59at-AR440Router .60at-AR441Router .61at-AR442Router .62at-AR443Router .63at-AR444Router .64at-AR420Router .71at_AR415SRouter .72at_AR415SRouterDC .73at-AR550Router .74at-AR551Router .75at-AR552Router .76at_AR550SRouterDP .78at_AR570Router .79at_AR770Router .80at_AR750SRouterDP .81at_AR560SRouter