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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/maipu/mpMgmt/mpios/.1/.1/sysSLA/.11/sysSlaThresholdTable/sysSlaThresholdEntry/slaThresholdString

slaThresholdString

OBJECT-TYPE

1.3.6.1.4.1.5651.3.20.1.1.201.11.100.1.2

Access

read-write

Status

current

Source

MPSLA

Sub-identifiers

Description

icmpEcho-rtt(threshold of icmp echo's rtt,0-9000ms(default:9000ms)), icmpEcho-pktLoss(threshold of icmp echo's pkt loss,0-200000000(default:200000000)), udpEcho-rtt(threshold of udp echo's rtt,0-9000ms(default:9000ms)), udpEcho-pktLoss(threshold of udp echo's packet loss,0-1(default:1)) jitter-rtt(threshold of jitter's rtt,0-9000ms(default:9000ms)), jitter-jitterSd(threshold of jitter entity's jitter from source to dest,0-6000ms(default:6000ms)), jitter-jitterDs(threshold of jitter entity's jitter from dest to source,0-6000ms(default:6000ms)), jitter-delaySd(threshold of jitter entity's delay from source to dest,0-5000ms(default:5000ms)), jitter-delayDs(threshold of jitter entity's delay from dest to source,0-5000ms(default:5000ms)), jitter-pktLossSd(threshold of jitter entity's pkt loss from source to dest,0-200000000(default:200000000)), jitter-PktLossDs(threshold of jitter entity's pkt loss from dest to source,0-200000000(default:200000000)), jitter-mos(threshold of jitter entity's mos,0-10000000(default:10000000)), jitter-icpif(threshold of jitter entity's icpif,0-100000000(default:100000000)), icmpPathJitter-rtt(threshold of icmp path jitter entity's rtt,0-9000ms(default:9000ms)), icmpPathJitter-pktLoss(threshold of icmp path jitter entity's pkt loss,0-200000000(default:200000000)), icmpPathJitter-jitter(threshold of icmp path jitter entity's jitter,0-6000ms(default:6000ms)), icmpPathEcho-rtt(threshold of icmp path echo entity's rtt,0-9000ms(default:9000ms)), icmpPathEcho-pktloss(threshold of icmp path echo entity's [kt loss,0-1(default:1)), flSta-inPkt(threshold of flow statistics entity's input packet,0-200000000(default:200000000)), flSta-inFlow(threshold of flow statistics entity's input flow,0-200000000(default:200000000)), flSta-outPkt(threshold of flow statistics entity's output packet,0-200000000(default:200000000)), flSta-outFlow(threshold of flow statistics entity's output flow,0-200000000(default:200000000)), macping-delay(threshold of mac sla unidrectional delay, 0-5000ms(default:500ms)), macping-rtDelay(threshold of mac sla ring back delay, 0-5000ms(default:500ms)), macping-jitter(threshold of mac sla jitter, 0-5000ms(default:500ms)), macping-lostPC(threshold of mac sla lost percent, 0-50(default:50%))

Syntax

DisplayString(SIZE(0..29))