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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.

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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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HUAWEI-DEVICE-EXT-MIB

12 objects

The MIB module for collect base device information.

Imported Objects

HUAWEI-MIB	hwDatacomm
SNMP-FRAMEWORK-MIB	SnmpAdminString
SNMPv2-CONF	MODULE-COMPLIANCE NOTIFICATION-GROUP OBJECT-GROUP
SNMPv2-SMI	Integer32 IpAddress MODULE-IDENTITY NOTIFICATION-TYPE OBJECT-TYPE
SNMPv2-TC	DateAndTime RowStatus

OID	Name	Access	Status	Description
1.3.6.1.4.1.2011.5.25.188	IdentityhwDeviceExt			The MIB module for collect base device information.
1.3.6.1.4.1.2011.5.25.188.1	NodehwDeviceExtObject
1.3.6.1.4.1.2011.5.25.188.1.1	ScalarhwDeviceEsn	read-only	current	The equipment serial number of device.Its type is string.If the esn of lr0 is xxx, then the esn of lrn is xxx.ss,ss is the lrn's id.
1.3.6.1.4.1.2011.5.25.188.1.2	ScalarhwPlatformName	read-only	current	The name of a platform.For example,Huawei Versatile Routing Platform Software.
1.3.6.1.4.1.2011.5.25.188.1.3	ScalarhwPlatformVersion	read-only	current	The version of a platform.For example,VRP (R) Software,Version 3.10.
1.3.6.1.4.1.2011.5.25.188.1.4	ScalarhwProductName	read-only	current	The name of a product.For example,Quidway NetEngine 5000E.The product name is not equal to the system name. the system name is an instance of the product name.…
1.3.6.1.4.1.2011.5.25.188.1.5	ScalarhwProductVersion	read-only	current	The version of a product.For example,NE5000E V200R002C01B39L.
1.3.6.1.4.1.2011.5.25.188.4	NodehwDeviceExtConformance
1.3.6.1.4.1.2011.5.25.188.4.1	NodehwDeviceExtCompliances
1.3.6.1.4.1.2011.5.25.188.4.1.1	CompliancehwDeviceExtCompliance		current	Compliance statement for agents that provide full support for hwDeviceExt.
1.3.6.1.4.1.2011.5.25.188.4.2	NodehwDeviceExtGroups
1.3.6.1.4.1.2011.5.25.188.4.2.1	GrouphwDeviceInfoGroup		current	Group for base device information.