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Search, upload, browse, or download from a database of over 11,000 SNMP MIBs. MIB Viewer lets you look up any MIB object by name, OID, or number, 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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ZYXEL-BPDU-GUARD-MIB

10 objects

The subtree for bpdu guard

Imported Objects

BRIDGE-MIB	dot1dBasePort
P-BRIDGE-MIB	EnabledStatus
SNMPv2-SMI	-- RFC2578 MODULE-IDENTITY OBJECT-TYPE
ZYXEL-ES-SMI	esMgmt

OID	Name	Access	Status	Description
1.3.6.1.4.1.890.1.15.3.104	IdentityzyxelBpduGuard			The subtree for bpdu guard
1.3.6.1.4.1.890.1.15.3.104.1	NodezyxelBpduGuardSetup
1.3.6.1.4.1.890.1.15.3.104.1.1	ScalarzyBpduGuardState	read-write	current	Enable/Disable BPDU guard on the switch.
1.3.6.1.4.1.890.1.15.3.104.1.2	TablezyxelBpduGuardPortTable	not-accessible	current	The table contains BPDU guard port configuration.
1.3.6.1.4.1.890.1.15.3.104.1.2.1	RowzyxelBpduGuardPortEntry	not-accessible	current	An entry contains BPDU guard port configuration.
1.3.6.1.4.1.890.1.15.3.104.1.2.1.1	ColumnzyBpduGuardPortState	read-write	current	Enable/Disable BPDU guard on the port.
1.3.6.1.4.1.890.1.15.3.104.2	NodezyxelBpduGuardStatus
1.3.6.1.4.1.890.1.15.3.104.2.1	TablezyxelBpduGuardPortInfoTable	not-accessible	current	The table contains BPDU guard port status.
1.3.6.1.4.1.890.1.15.3.104.2.1.1	RowzyxelBpduGuardPortInfoEntry	not-accessible	current	An entry contains BPDU guard port status.
1.3.6.1.4.1.890.1.15.3.104.2.1.1.1	ColumnzyBpduGuardPortInfoStatus	read-only	current	BPDU guard status on the port.