MIB Viewer

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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DES3200-52DC-L3MGMT-MIB

4 objects

No module-level DESCRIPTION found.

Imported Objects

IF-MIB	InterfaceIndex
OSPF-MIB	AreaID DesignatedRouterPriority HelloRange Metric PositiveInteger RouterID Status TOSType UpToMaxAge
SNMPv2-SMI	Counter32 Integer32 IpAddress MODULE-IDENTITY NOTIFICATION-TYPE OBJECT-TYPE Unsigned32
SNMPv2-TC	DisplayString MacAddress PhysAddress RowStatus TimeStamp TruthValue
SWPRIMGMT-DES3200-MIB	des3200-52-dc-cx

Type Definitions

Name	Syntax	Status	Description
Ipv6Address	OCTET STRING (SIZE (16))	current	This data type is used to model IPv6 addresses. This is a binary string of 16 octets in network byte-order.
NetAddress	OCTET STRING (SIZE(4))
NodeAddress	OCTET STRING (SIZE(6))
VrId	Integer32 (1..255)	current	A number which, along with an interface index (ifIndex), serves to uniquely identify a virtual router on a given VRRP router. A set of one or more associated addresses is assigned to a VRID.