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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/.2011/huaweiMgmt/hwDatacomm/hwIFExtMib/.1/.1/hwLinkModeChangeAutoCreateIfTable/hwLinkModeChangeAutoCreateIfEntry/hwNewIfTimeslot

hwNewIfTimeslot

OBJECT-TYPE

1.3.6.1.4.1.2011.5.25.41.1.1.4.1.2

Access

read-only

Status

current

Source

HUAWEI-IF-EXT-MIB

Sub-identifiers

Description

The time slot of the TDM interface: timeslot0(0):The time slot 0 on the TDM interface, timeslot1(1):The time slot 1 on the TDM interface, timeslot2(2):The time slot 2 on the TDM interface, timeslot3(3):The time slot 3 on the TDM interface, timeslot4(4):The time slot 4 on the TDM interface, timeslot5(5):The time slot 5 on the TDM interface, timeslot6(6):The time slot 6 on the TDM interface, timeslot7(7):The time slot 7 on the TDM interface, timeslot8(8):The time slot 8 on the TDM interface, timeslot9(9):The time slot 9 on the TDM interface, timeslot10(10):The time slot 10 on the TDM interface, timeslot11(11):The time slot 11 on the TDM interface, timeslot12(12):The time slot 12 on the TDM interface, timeslot13(13):The time slot 13 on the TDM interface, timeslot14(14):The time slot 14 on the TDM interface, timeslot15(15):The time slot 15 on the TDM interface, timeslot16(16):The time slot 16 on the TDM interface, timeslot17(17):The time slot 17 on the TDM interface, timeslot18(18):The time slot 18 on the TDM interface, timeslot19(19):The time slot 19 on the TDM interface, timeslot20(20):The time slot 20 on the TDM interface, timeslot21(21):The time slot 21 on the TDM interface, timeslot22(22):The time slot 22 on the TDM interface, timeslot23(23):The time slot 23 on the TDM interface, timeslot24(24):The time slot 24 on the TDM interface, timeslot25(25):The time slot 25 on the TDM interface, timeslot26(26):The time slot 26 on the TDM interface, timeslot27(27):The time slot 27 on the TDM interface, timeslot28(28):The time slot 28 on the TDM interface, timeslot29(29):The time slot 29 on the TDM interface, timeslot30(30):The time slot 30 on the TDM interface, timeslot31(31):The time slot 31 on the TDM interface.

Syntax

BITS{ timeslot0(0), timeslot1(1), timeslot2(2), timeslot3(3), timeslot4(4), timeslot5(5), timeslot6(6), timeslot7(7), timeslot8(8), timeslot9(9), timeslot10(10), timeslot11(11), timeslot12(12), timeslot13(13), timeslot14(14), timeslot15(15), timeslot16(16), timeslot17(17), timeslot18(18), timeslot19(19), timeslot20(20), timeslot21(21), timeslot22(22), timeslot23(23), timeslot24(24), timeslot25(25), timeslot26(26), timeslot27(27), timeslot28(28), timeslot29(29), timeslot30(30), timeslot31(31) }