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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/.1872/.2/.5/agent/.1/.12/agCurCfgMgmtNetTable/agCurCfgMgmtNetEntry/agCurCfgMgmtNetProtocol

agCurCfgMgmtNetProtocol

OBJECT-TYPE

1.3.6.1.4.1.1872.2.5.1.1.12.2.1.4

Access

read-only

Status

current

Source

ALTEON-CHEETAH-SWITCH-MIB

Sub-identifiers

Description

The Management Network Protocol access in the current_configuration block. 1 - Ssh 2 - Telnet 3 - Ssh + Telnet 4 - Http 5 - Ssh + Http 6 - Telnet + Http 7 - Ssh + Telnet + Http 8 - Https 9 - Ssh + Https 10 - Https + Telnet 11 - Ssh + Telnet + Https 12 - Http + Https 13 - Ssh + Http + Https 14 - Telnet + Http + Https 15 - Ssh + Telnet + Http + Https 16 - Snmp 17 - Ssh + Snmp 18 - Telnet + Snmp 19 - Ssh + Telnet + Snmp 20 - Http + Snmp 21 - Ssh + Http + Snmp 22 - Telnet + Http + Snmp 23 - Ssh + Telnet + Http + Snmp 24 - Https + Snmp 25 - Ssh + Https + Snmp 26 - Telnet + Https + Snmp 27 - Ssh + Telnet + Https + Snmp 28 - Http + Https + Snmp 29 - Ssh + Http + Https + Snmp 30 - Telnet + Http + Https + Snmp 31 - Ssh + Telnet + Http + Https + Snmp 32 - Report 33 - Ssh + Report 34 - Telnet + Report 35 - Ssh + Telnet + Report 36 - Http + Report 37 - Ssh + Http + Report 38 - Telnet + Http + Report 39 - Ssh + Telnet + Http + Report 40 - Https + Report 41 - Ssh + Https + Report 42 - Telnet + Https + Report 43 - Ssh + Telnet + Https + Report 44 - Telnet + Http + Https + Report 45 - Ssh + Http + Https + Report 46 - Telnet + Http + Https + Report 47 - Ssh + Telnet + Http + Https + Report 48 - Snmp + Report 49 - Ssh + Snmp + Report 50 - Telnet + Snmp + Report 51 - Ssh + Telnet + Snmp + Report 52 - Http + Snmp + Report 53 - Ssh + Http + Snmp + Report 54 - Telnet + Http + Snmp + Report 55 - Ssh + Telnet + Http + Snmp + Report 56 - Https + Snmp + Report 57 - Ssh + Https + Snmp + Report 58 - Telnet + Https + Snmp + Report 59 - Ssh + Telnet + Https + Snmp + Report 60 - Http + Https + Snmp + Report 61 - Ssh + Http + Https + Snmp + Report 62 - Telnet + Http + Https + Snmp + Report 63 - Ssh + Telnet + Http + Https + Snmp + Report 64 - none

Syntax

INTEGER { ssh(1), telnet(2), sshTelnet(3), http(4), sshHttp(5), telnetHttp(6), sshTelnetHttp(7), https(8), sshHttps(9), httpsTelnet(10), sshTelnetHttps(11), httpHttps(12), sshHttpHttps(13), telnetHttpHttps(14), sshTelnetHttpHttps(15), snmp(16), sshSnmp(17), telnetSnmp(18), sshTelnetSnmp(19), httpSnmp(20), sshHttpSnmp(21), telnetHttpSnmp(22), sshTelnetHttpSnmp(23), httpsSnmp(24), sshHttpsSnmp(25), telnetHttpsSnmp(26), sshTelnetHttpsSnmp(27), httpHttpsSnmp(28), sshHttpHttpsSnmp(29), telnetHttpHttpsSnmp(30), sshTelnetHttpHttpsSnmp(31), report(32), sshreport(33), telnetreport(34), sshTelnetreport(35), httpreport(36), sshHttpreport(37), telnetHttpreport(38), sshTelnetHttpreport(39), httpsreport(40), sshHttpsreport(41), httpsTelnetreport(42), sshTelnetHttpsreport(43), httpHttpsreport(44), sshHttpHttpsreport(45), telnetHttpHttpsreport(46), sshTelnetHttpHttpsreport(47), snmpreport(48), sshSnmpreport(49), telnetSnmpreport(50), sshTelnetSnmpreport(51), httpSnmpreport(52), sshHttpSnmpreport(53), telnetHttpSnmpreport(54), sshTelnetHttpSnmpreport(55), httpsSnmpreport(56), sshHttpsSnmpreport(57), telnetHttpsSnmpreport(58), sshTelnetHttpsSnmpreport(59), httpHttpsSnmpreport(60), sshHttpHttpsSnmpreport(61), telnetHttpHttpsSnmpreport(62), sshTelnetHttpHttpsSnmpreport(63), none(64) }