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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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HH3C-LswSMON-MIB

7 objects

No module-level DESCRIPTION found.

Imported Objects

HH3C-OID-MIB	hh3cRhw
RFC-1212	OBJECT-TYPE

OID	Name	Access	Status	Description
1.3.6.1.4.1.25506.8.26	Nodehh3cSmonExtend
1.3.6.1.4.1.25506.8.26.1	Nodehh3csmonExtendObject
1.3.6.1.4.1.25506.8.26.1.1	Scalarhh3cdot1qVlanStatNumber	read-only	mandatory	The number of vlans that can collect statistics of packets.
1.3.6.1.4.1.25506.8.26.1.2	Tablehh3cdot1qVlanStatStatusTable	not-accessible	mandatory	VLAN statistics status table.
1.3.6.1.4.1.25506.8.26.1.2.1	Rowhh3cdot1qVlanStatStatusEntry	not-accessible	mandatory	VLAN statistics status table entry.
1.3.6.1.4.1.25506.8.26.1.2.1.1	Columnhh3cdot1qVlanStatEnableIndex	read-only	mandatory	Vlan index .
1.3.6.1.4.1.25506.8.26.1.2.1.2	Columnhh3cdot1qVlanStatEnableStatus	read-write	mandatory	VLAN Statistics Status.It represent the current VLAN supports statistic or not.