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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-ERPS-MIB

7 objects

This MIB defines objects for managing ERPS. ERPS is a feature developed to address the slow convergence issue with STP. It provides link redundancy and fast convergence in a ring network, allowing the backup link to take over quickly when the primary link fails.

Imported Objects

HH3C-OID-MIB	hh3cCommon
IF-MIB	ifDescr ifIndex
SNMPv2-SMI	Integer32 MODULE-IDENTITY NOTIFICATION-TYPE OBJECT-TYPE

OID	Name	Access	Status	Description
1.3.6.1.4.1.25506.2.225	Identityhh3cErps			This MIB defines objects for managing ERPS. ERPS is a feature developed to address the slow convergence issue with STP. It provides link redundancy and fast co…
1.3.6.1.4.1.25506.2.225.1	Nodehh3cErpsTrap
1.3.6.1.4.1.25506.2.225.1.0	Nodehh3cErpsTrapPrefix
1.3.6.1.4.1.25506.2.225.1.0.1	Notificationhh3cErpsPortStateForwarding		current	A trap message is generated when the status of a port in an ERPS ring changes to forwarding.
1.3.6.1.4.1.25506.2.225.1.0.2	Notificationhh3cErpsPortStateDiscarding		current	A trap message is generated when the status of a port in an ERPS ring changes to discarding.
1.3.6.1.4.1.25506.2.225.1.1	Nodehh3cErpsTrapObjects
1.3.6.1.4.1.25506.2.225.1.1.1	Scalarhh3cErpsRingID	accessible-for-notify	current	ERPS ring ID.