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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/.28350/.4/.1/.3/mc2200-FESFPTable/mc2200-FESFPEntry

mc2200-FESFPEntry

OBJECT-TYPE

1.3.6.1.4.1.28350.4.1.3.11.1

Access

not-accessible

Status

current

Source

OnAccess2200-MIB

Sub-identifiers

Description

One table entry per slot in the media converter chassis. If physical slot 'n' contains a powered FESFP media converter, then entry 'n' in this table exists and describes the state of the converter's lamps If slot 'n' is empty, does not exist, or contains a different type of device, then table entry 'n' does not exist.

Syntax

MC2200-FESFPEntry

Children (68)

.1mc2200-FESFPCardIndex .2mc2200-FESFPLocalTXLink .3mc2200-FESFPLocalWANSFPInfo .4mc2200-FESFPLocalWANLink .5mc2200-FESFPLocalTXDownStreamBW .6mc2200-FESFPLocalTXUpStreamBW .7mc2200-FESFPLocalTXMode .8mc2200-FESFPLocalTXMDIX .9mc2200-FESFPRxGoodOctets .11mc2200-FESFPRxBadOctets .12mc2200-FESFPTxFCSErr .13mc2200-FESFPRxUnicast .14mc2200-FESFPTxDeferred .15mc2200-FESFPRxBroadcasts .16mc2200-FESFPRxMulticasts .17mc2200-FESFPRx64Octets .18mc2200-FESFPRx65to127Octets .19mc2200-FESFPRx128to255Octets .20mc2200-FESFPRx256to511Octets .21mc2200-FESFPRx512to1023Octets .22mc2200-FESFPRx1024toMaxOctets .23mc2200-FESFPTxOctets .25mc2200-FESFPTxUnicast .26mc2200-FESFPTxExcessive .27mc2200-FESFPTxMulticasts .28mc2200-FESFPTxBroadcasts .29mc2200-FESFPTxSingle .30mc2200-FESFPTxPause .31mc2200-FESFPRxPause .32mc2200-FESFPTxMultiple .33mc2200-FESFPRxUndersize .34mc2200-FESFPRxFragments .35mc2200-FESFPRxOversize .36mc2200-FESFPRxJabber .37mc2200-FESFPRxErr .38mc2200-FESFPRxFCSErr .39mc2200-FESFPTxCollisions .40mc2200-FESFPTxLate .41mc2200-FESFPRemoteTXLink .42mc2200-FESFPRemoteWANSFPInfo .43mc2200-FESFPRemoteWANLink .44mc2200-FESFPRemoteTXMode .45mc2200-FESFPRemoteTXMDIX .46mc2200-FESFPRemoteIPAddress .47mc2200-FESFPRemoteSubnetMask .48mc2200-FESFPRemoteGateWay .49mc2200-FESFPRemoteVLANEnable .50mc2200-FESFPRemoteVID .51mc2200-FESFPRemoteAlarm .52mc2200-FESFPRFD .53mc2200-FESFPDefault .54mc2200-FESFPReboot .55mc2200-FESFPLocalTXSpeed .56mc2200-FESFPRemoteTXSpeed .57mc2200-FESFPLocalportuser .58mc2200-FESFPRemoteportuser .59mc2200-FESFPLocalTXDuplex .60mc2200-FESFPRemoteTXDuplex .61mc2200-FESFPFlowControl .62mc2200-FESFPWANOpticalPowerCheck .63mc2200-FESFPWANThreshold .64mc2200-FESFPTrapFilterLocalLAN .65mc2200-FESFPTrapFilterLocalWAN .66mc2200-FESFPTrapFilterRemotePower .67mc2200-FESFPTrapFilterRemoteLAN .68mc2200-FESFPTrapFilterRemoteWAN .69mc2200-FESFPLoopback .70mc2200-FESFPCardType