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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.

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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.

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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/.6527/.3/.1/.2/.45/.3/sdpBindMldSnpgConfigTable/sdpBindMldSnpgConfigEntry/sdpBndMldSnpgCfgMcacPrRsvMndBW

sdpBndMldSnpgCfgMcacPrRsvMndBW

OBJECT-TYPE

1.3.6.1.4.1.6527.3.1.2.45.3.2.1.15

Access

read-write

Status

current

Source

TIMETRA-MLD-SNOOPING-MIB

Sub-identifiers

Description

The value of sdpBndMldSnpgCfgMcacPrRsvMndBW specifies the bandwidth pre-reserved for all the mandatory channels on a given interface in kilobits per second(kbps). If the value of sdpBndMldSnpgCfgMcacUnconstBW is '0', no mandatory channels are allowed. If the value of sdpBndMldSnpgCfgMcacUnconstBW is '-1', then all mandatory and optional channels are allowed. If the value of sdpBndMldSnpgCfgMcacPrRsvMndBW is equal to the value of sdpBndMldSnpgCfgMcacUnconstBW, then all the unconstrained bandwidth on a given interface is allocated to mandatory channels configured through multicast CAC policy on that interface and no optional groups (channels) are allowed. The value of sdpBndMldSnpgCfgMcacPrRsvMndBW should always be less than or equal to that of sdpBndMldSnpgCfgMcacUnconstBW. An attempt to set the value of sdpBndMldSnpgCfgMcacPrRsvMndBW greater than that of sdpBndMldSnpgCfgMcacUnconstBW will result in inconsistent value error.

Syntax

Integer32 (-1 | 0..2147483647)