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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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HUAWEI-NTPV3-MIB

10 objects

The private mib file includes the general extent information of the device.hwDatacomm(25).hwNtpV3(234)

Imported Objects

HUAWEI-MIB	hwDatacomm
SNMPv2-CONF	MODULE-COMPLIANCE NOTIFICATION-GROUP OBJECT-GROUP
SNMPv2-SMI	Integer32 IpAddress MODULE-IDENTITY NOTIFICATION-TYPE OBJECT-TYPE
SNMPv2-TC	DisplayString

OID	Name	Access	Status	Description
1.3.6.1.4.1.2011.5.25.234	IdentityhwNtpV3			The private mib file includes the general extent information of the device.hwDatacomm(25).hwNtpV3(234)
1.3.6.1.4.1.2011.5.25.234.1	NodehwNtpV3MibObjects
1.3.6.1.4.1.2011.5.25.234.1.1	ScalarhwNtpV3ServerIPAdd	read-write	current	IP address or domain name of the NTP server
1.3.6.1.4.1.2011.5.25.234.1.2	ScalarhwNtpV3TimeSyncPeriod	read-write	current	NTP poll interval.
1.3.6.1.4.1.2011.5.25.234.1.3	ScalarhwNtpV3TimeAfterNTPCal	read-only	current	This node gives the current local time of the system. The unit of it is DateAndTime.
1.3.6.1.4.1.2011.5.25.234.2	NodehwNtpV3Conformance
1.3.6.1.4.1.2011.5.25.234.2.1	NodehwNtpV3Compliances
1.3.6.1.4.1.2011.5.25.234.2.1.1	CompliancehwNtpV3Compliance		current	The compliance statement for systems supporting the HUAWEI-NtpV3-MIB.
1.3.6.1.4.1.2011.5.25.234.2.2	NodehwNtpV3Groups
1.3.6.1.4.1.2011.5.25.234.2.2.1	GrouphwNtpV3ObjectGroup		current	The NTPV3 attribute group.