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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-AAL5-MIB

19 objects

This MIB file provides AAL5 specific information that are excluded by RFC 1695

Imported Objects

HH3C-OID-MIB	hh3cAAL5
RFC1213-MIB	ifIndex
SNMPv2-CONF	MODULE-COMPLIANCE NOTIFICATION-GROUP OBJECT-GROUP
SNMPv2-SMI	Counter32 Integer32 MODULE-IDENTITY NOTIFICATION-TYPE OBJECT-TYPE

OID	Name	Access	Status	Description
1.3.6.1.4.1.25506.2.21.1	Identityhh3cAAL5MIB			This MIB file provides AAL5 specific information that are excluded by RFC 1695
1.3.6.1.4.1.25506.2.21.1.0	Nodehh3cAal5MIBTraps
1.3.6.1.4.1.25506.2.21.1.0.1	Notificationhh3cAal5VccStateChange		current	The status of AAL5 VCC.
1.3.6.1.4.1.25506.2.21.1.1	Nodehh3cAal5MIBObjects
1.3.6.1.4.1.25506.2.21.1.1.1	Tablehh3cAal5VccTable	not-accessible	current	This table extends AAL5 VCC performance parameters which definded in aal5VccEntry of RFC1695.
1.3.6.1.4.1.25506.2.21.1.1.1.1	Rowhh3cAal5VccEntry	not-accessible	current	This list contains the additional AAL5 VCC performance parameters which are not definded in aal5VccEntry of RFC1695.
1.3.6.1.4.1.25506.2.21.1.1.1.1.1	Columnhh3cAal5VccVpi	not-accessible	current	The VPI value of the AAL5 VCC.
1.3.6.1.4.1.25506.2.21.1.1.1.1.2	Columnhh3cAal5VccVci	not-accessible	current	The VCI value of the AAL5 VCC.
1.3.6.1.4.1.25506.2.21.1.1.1.1.3	Columnhh3cAal5VccInPkts	read-only	current	The number of AAL5 CPCS PDUs received.
1.3.6.1.4.1.25506.2.21.1.1.1.1.4	Columnhh3cAal5VccOutPkts	read-only	current	The number of AAL5 CPCS PDUs transmitted.
1.3.6.1.4.1.25506.2.21.1.1.1.1.5	Columnhh3cAal5VccInOctets	read-only	current	The number of AAL5 CPCS PDU octets received.
1.3.6.1.4.1.25506.2.21.1.1.1.1.6	Columnhh3cAal5VccOutOctets	read-only	current	The number of AAL5 CPCS PDU octets transmitted.
1.3.6.1.4.1.25506.2.21.1.1.1.1.7	Columnhh3cAal5VccState	read-only	current	Indicates whether the particular virtual circuit is operational. 'Active' indicates the particular virtual circuit is operational. 'Inactive' indicates the cir…
1.3.6.1.4.1.25506.2.21.1.3	Nodehh3cAal5MIBConformance
1.3.6.1.4.1.25506.2.21.1.3.1	Nodehh3cAal5MIBCompliances
1.3.6.1.4.1.25506.2.21.1.3.1.1	Compliancehh3cAal5MIBCompliance		current	The compliance statement.
1.3.6.1.4.1.25506.2.21.1.3.2	Nodehh3cAal5MIBGroups
1.3.6.1.4.1.25506.2.21.1.3.2.1	Grouphh3cAal5MIBGroup		current	A collection of objects.
1.3.6.1.4.1.25506.2.21.1.3.2.2	Grouphh3cAal5NotificationGroup		current	Traps which may be used to enhance event driven management of the interface.