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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.

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-LswMAM-MIB

20 objects

No module-level DESCRIPTION found.

Imported Objects

HH3C-LswVLAN-MIB	hh3cdot1qVlanIndex
HH3C-OID-MIB	hh3clswCommon
SNMPv2-SMI	Integer32 MODULE-IDENTITY OBJECT-TYPE
SNMPv2-TC	MacAddress TEXTUAL-CONVENTION

OID	Name	Access	Status	Description
1.3.6.1.4.1.25506.8.35.3	Identityhh3cLswMacPort
1.3.6.1.4.1.25506.8.35.3.1	Tablehh3cdot1qMacSearchTable	not-accessible	current	Information table for searching port with mac address
1.3.6.1.4.1.25506.8.35.3.1.1	Rowhh3cdot1qMacSearchEntry	not-accessible	current	Information table for searching port with mac address entry
1.3.6.1.4.1.25506.8.35.3.1.1.1	Columnhh3cdot1qMacSearchAddress	read-only	current	MAC address
1.3.6.1.4.1.25506.8.35.3.1.1.2	Columnhh3cdot1qMacSearchVlanID	read-only	current	VLANID of the native VLAN of the MAC address to be searched for
1.3.6.1.4.1.25506.8.35.3.1.1.3	Columnhh3cdot1qMacSearchPort	read-only	current	Interface index corresponding to the MAC address
1.3.6.1.4.1.25506.8.35.3.1.1.4	Columnhh3cdot1qMacSearchAgeTime	read-only	current	Address aging time
1.3.6.1.4.1.25506.8.35.3.2	Tablehh3cdot1qTpFdbSetTable	not-accessible	current	Unicast address setting table
1.3.6.1.4.1.25506.8.35.3.2.1	Rowhh3cdot1qTpFdbSetEntry	not-accessible	current	Unicast address setting table entry
1.3.6.1.4.1.25506.8.35.3.2.1.1	Columnhh3cdot1qTpFdbSetAddress	not-accessible	current	Unicast MAC address
1.3.6.1.4.1.25506.8.35.3.2.1.2	Columnhh3cdot1qTpFdbSetPort	read-write	current	Interface index corresponding to the MAC address
1.3.6.1.4.1.25506.8.35.3.2.1.3	Columnhh3cdot1qTpFdbSetStatus	read-write	current	State corresponding to the MAC address
1.3.6.1.4.1.25506.8.35.3.2.1.4	Columnhh3cdot1qTpFdbSetOperate	read-write	current	Add or delete an MAC address. Read operation not supported.
1.3.6.1.4.1.25506.8.35.3.3	Tablehh3cdot1qTpFdbGroupSetTable	not-accessible	current	Multistcast address setting table, whose maximal row number is dynamically changed by the influence of IGSP. When reaching the upper limit of the table, no mor…
1.3.6.1.4.1.25506.8.35.3.3.1	Rowhh3cdot1qTpFdbGroupSetEntry	not-accessible	current	Multicast address setting table entry.
1.3.6.1.4.1.25506.8.35.3.3.1.1	Columnhh3cdot1qTpFdbGroupSetAddress	not-accessible	current	Multicast MAC address.
1.3.6.1.4.1.25506.8.35.3.3.1.2	Columnhh3cdot1qTpFdbGroupSetPort	read-write	current	The complete set of ports, in this VLAN, to which frames destined to this Multicast MAC address are currently being explicitly forwarded. This does not include…
1.3.6.1.4.1.25506.8.35.3.3.1.3	Columnhh3cdot1qTpFdbGroupSetOperate	read-write	current	Add or delete a Multicast MAC address. Read operation is meaningless. When adding a Multicast MAC address, it is required to provide MacAddress, VLAN and PortL…

Type Definitions

Name	Syntax	Status	Description
InterfaceIndex	Integer32	current	A unique value, greater than zero, for each interface or interface sub-layer in the managed system. It is recommended that values are assigned contiguously starting from 1. The value for each interface sub- layer must r…
PortList	OCTET STRING	current	Each octet within this value specifies a set of eight ports, with the first octet specifying ports 1 through 8, the second octet specifying ports 9 through 16, etc. Within each octet, the most significant bit represents…