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MIB Viewer is a free SNMP MIB browser and database with over 12,000 MIBs and 1,600,000 OIDs. Search by name, OID, or number to look up any MIB object, view its syntax, access level, and description, trace its place in the MIB tree, and generate ready-to-run SNMP commands — all in your browser.

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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EXTREME-OSPF-MIB

6 objects

Extreme specific OSPF information

Imported Objects

EXTREME-BASE-MIB	extremeAgent
EXTREME-VLAN-MIB	extremeVlanIfIndex
SNMPv2-SMI	IpAddress MODULE-IDENTITY OBJECT-TYPE
SNMPv2-TC	RowStatus TruthValue

OID	Name	Access	Status	Description
1.3.6.1.4.1.1916.1.15	IdentityextremeOspf			Extreme specific OSPF information
1.3.6.1.4.1.1916.1.15.1	TableextremeOspfInterfaceTable	not-accessible	current	This table contains Extreme Networks specific information about OSPF interfaces.
1.3.6.1.4.1.1916.1.15.1.1	RowextremeOspfInterfaceEntry	not-accessible	current	An entry in the table containing Extreme Networks specific OSPF interface information.
1.3.6.1.4.1.1916.1.15.1.1.1	ColumnextremeOspfAreaId	read-write	current	A 32-bit integer uniquely identifying an area. Area ID 0.0.0.0 is used for the OSPF backbone.
1.3.6.1.4.1.1916.1.15.1.1.2	ColumnextremeOspfInterfacePassive	read-write	current	Indicates whether the OSPF interface on this Vlan is Passive or not. Passive interfaces do not send routing updates. A true value indicates that the interface …
1.3.6.1.4.1.1916.1.15.1.1.3	ColumnextremeOspfInterfaceStatus	read-create	current	The row status variable, used according to row installation and removal conventions.