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MIB Viewer
Browse, search, and explore SNMP MIB modules and their OIDs. Look up any object by name or number, see its syntax, access level, and description, trace its place in the tree, and generate ready-to-run SNMP commands — all without leaving the 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) →Search for a MIB or OID above, or pick one from the list on the left.
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HCNUM-TC
| SNMPv2-SMI | Counter64 mib-2 MODULE-IDENTITY |
| SNMPv2-TC | TEXTUAL-CONVENTION |
| OID | Name | Access | Status | Description |
|---|---|---|---|---|
| 1.3.6.1.2.1.78 | IdentityhcnumTC | A MIB module containing textual conventions for high capacity data types. This module addresses an immediate need for data types not directly supported in the … |
| Name | Syntax | Status | Description |
|---|---|---|---|
| CounterBasedGauge64 | Counter64 | current | The CounterBasedGauge64 type represents a non-negative integer, which may increase or decrease, but shall never exceed a maximum value, nor fall below a minimum value. The maximum value can not be greater than 2^64-1 (1… |
| ZeroBasedCounter64 | Counter64 | current | This TC describes an object which counts events with the following semantics: objects of this type will be set to zero(0) on creation and will thereafter count appropriate events, wrapping back to zero(0) when the value… |