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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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A3COM-HUAWEI-SNMP-EXT-MIB

20 objects

This MIB file is to provide the object definition of the SNMP extended information.

Imported Objects

A3COM-HUAWEI-OID-MIB	h3cCommon
SNMP-FRAMEWORK-MIB	SnmpAdminString SnmpSecurityLevel SnmpSecurityModel
SNMPv2-CONF	MODULE-COMPLIANCE NOTIFICATION-GROUP OBJECT-GROUP
SNMPv2-SMI	Integer32 MODULE-IDENTITY NOTIFICATION-TYPE OBJECT-TYPE
SNMPv2-TC	RowStatus TruthValue

OID	Name	Access	Status	Description
1.3.6.1.4.1.43.45.1.10.2.104	Identityh3cSnmpExt			This MIB file is to provide the object definition of the SNMP extended information.
1.3.6.1.4.1.43.45.1.10.2.104.1	Nodeh3cSnmpExtScalarObjects
1.3.6.1.4.1.43.45.1.10.2.104.1.1	Scalarh3cSnmpExtSnmpChannel	read-write	current	The channel number used by SNMP.
1.3.6.1.4.1.43.45.1.10.2.104.1.2	Scalarh3cSnmpExtReadCommunitySingle	read-write	current	The first read community.
1.3.6.1.4.1.43.45.1.10.2.104.1.3	Scalarh3cSnmpExtWriteCommunitySingle	read-write	current	The first write community.
1.3.6.1.4.1.43.45.1.10.2.104.2	Nodeh3cSnmpExtTables
1.3.6.1.4.1.43.45.1.10.2.104.2.1	Tableh3cSnmpExtCommunityTable	not-accessible	current	Modify the extended properties of SNMP community or user.
1.3.6.1.4.1.43.45.1.10.2.104.2.1.1	Rowh3cSnmpExtCommunityEntry	not-accessible	current	The entry of h3cSnmpExtCommunityTable
1.3.6.1.4.1.43.45.1.10.2.104.2.1.1.1	Columnh3cSnmpExtCommunitySecurityLevel	not-accessible	current	The Security Model of the specified community or user. This object may not take the 'any' (0) value.
1.3.6.1.4.1.43.45.1.10.2.104.2.1.1.2	Columnh3cSnmpExtCommunitySecurityName	not-accessible	current	The Security Name of the specified community or user.
1.3.6.1.4.1.43.45.1.10.2.104.2.1.1.3	Columnh3cSnmpExtCommunityName	read-only	current	The specified community name.
1.3.6.1.4.1.43.45.1.10.2.104.2.1.1.4	Columnh3cSnmpExtCommunityAclNum	read-write	current	The specified ACL (Access Control List) number used by the community or the user.
1.3.6.1.4.1.43.45.1.10.2.104.2.2	Tableh3cSnmpCommunityExTable	not-accessible	current	Modify the extended properties of SNMP community.
1.3.6.1.4.1.43.45.1.10.2.104.2.2.1	Rowh3cSnmpCommunityExEntry	not-accessible	current	The entry of h3cSnmpCommunityExEntry
1.3.6.1.4.1.43.45.1.10.2.104.2.2.1.1	Columnh3cSnmpCommunityExName	read-create	current	The specified community name.
1.3.6.1.4.1.43.45.1.10.2.104.2.2.1.2	Columnh3cSnmpCommunityExWrite	read-create	current	Represents the community can write or not. 'true' : the community can write. 'false': the community can read only.
1.3.6.1.4.1.43.45.1.10.2.104.2.2.1.3	Columnh3cSnmpCommunityExViewName	read-create	current	A family of view subtrees that the Community can operate.
1.3.6.1.4.1.43.45.1.10.2.104.2.2.1.4	Columnh3cSnmpCommunityExAclNum	read-create	current	The specified ACL (Access Control List) number used by the community.
1.3.6.1.4.1.43.45.1.10.2.104.2.2.1.5	Columnh3cSnmpCommunityExRowStatus	read-create	current	The status of this table entry.
1.3.6.1.4.1.43.45.1.10.2.104.3	Nodeh3cSnmpExtNotifications