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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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HH3C-NET-MAN-MIB

18 objects

This MIB file is to provide the object definition of the network management parameters. These parameters are used to identify devices. It is useful for devices management in a dynamic address assignment network.

Imported Objects

HH3C-OID-MIB	hh3cCommon
INET-ADDRESS-MIB	InetAddress InetAddressType
SNMPv2-CONF	MODULE-COMPLIANCE NOTIFICATION-GROUP OBJECT-GROUP
SNMPv2-SMI	MODULE-IDENTITY NOTIFICATION-TYPE OBJECT-TYPE

OID	Name	Access	Status	Description
1.3.6.1.4.1.25506.2.90	Identityhh3cNetMan			This MIB file is to provide the object definition of the network management parameters. These parameters are used to identify devices. It is useful for devices…
1.3.6.1.4.1.25506.2.90.1	Nodehh3cNMConfigObjects
1.3.6.1.4.1.25506.2.90.2	Nodehh3cNMMonitorObjects
1.3.6.1.4.1.25506.2.90.3	Nodehh3cNMNotify
1.3.6.1.4.1.25506.2.90.3.1	Nodehh3cNMNotifyScalarObjects
1.3.6.1.4.1.25506.2.90.3.1.1	Scalarhh3cNMIpAddressType	accessible-for-notify	current	The IP address type of specified interface on the device.
1.3.6.1.4.1.25506.2.90.3.1.2	Scalarhh3cNMIpAddress	accessible-for-notify	current	The IP address of specified interface on the device.
1.3.6.1.4.1.25506.2.90.3.1.3	Scalarhh3cNMCustomBuildInfo	read-only	current	The customer-required information of devices, for example, OUI (Organizational Unique Identifier).
1.3.6.1.4.1.25506.2.90.3.1.4	Scalarhh3cNMSerialNum	accessible-for-notify	current	The serial number used by NMS (Network Management Station) for mapping IP address and device.
1.3.6.1.4.1.25506.2.90.3.2	Nodehh3cNMNotifyObjects
1.3.6.1.4.1.25506.2.90.3.2.0	Nodehh3cNMNotifyObjectsPrefix
1.3.6.1.4.1.25506.2.90.3.2.0.1	Notificationhh3cIpAddrChangeNotify		current	This notification will be generated when the IP address of active management interface is changed. The change maybe originate from NMS, DHCP server or administ…
1.3.6.1.4.1.25506.2.90.4	Nodehh3cNetManConformance
1.3.6.1.4.1.25506.2.90.4.1	Nodehh3cNetManCompliances
1.3.6.1.4.1.25506.2.90.4.1.1	Compliancehh3cNetManCompliance		current	The statement of compliance for those implementing the network management MIB.
1.3.6.1.4.1.25506.2.90.4.2	Nodehh3cNetManGroups
1.3.6.1.4.1.25506.2.90.4.2.1	Grouphh3cNMMonitorGroup		current	A collection of objects in net management monitor group.
1.3.6.1.4.1.25506.2.90.4.2.2	Grouphh3cNMNotificationGroup		current	A collection of objects in net management notification group.