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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-CLEARFLOW-MIB

50 objects

CLEAR-Flow MIB

Imported Objects

EXTREME-BASE-MIB	extremeAgent
RFC1213-MIB	DisplayString
SNMPv2-SMI	Counter64 Integer32 MODULE-IDENTITY NOTIFICATION-TYPE OBJECT-TYPE Unsigned32

OID	Name	Access	Status	Description
1.3.6.1.4.1.1916.1.30	IdentityextremeClearflow			CLEAR-Flow MIB
1.3.6.1.4.1.1916.1.30.0	NodeextremeClearflowTraps
1.3.6.1.4.1.1916.1.30.0.0	NodeextremeClearflowTrapsPrefix
1.3.6.1.4.1.1916.1.30.0.0.1	NotificationextremeClearflowMessage		current	CLEAR-Flow message trap
1.3.6.1.4.1.1916.1.30.1	ScalarextremeClearflowMsgId	accessible-for-notify	current	User-defined message id
1.3.6.1.4.1.1916.1.30.2	ScalarextremeClearflowMsg	accessible-for-notify	current	User-defined message
1.3.6.1.4.1.1916.1.30.3	ScalarextremeClearflowPolicyName	accessible-for-notify	current	Policy file name
1.3.6.1.4.1.1916.1.30.4	ScalarextremeClearflowRuleName	accessible-for-notify	current	Rule name which triggered this message
1.3.6.1.4.1.1916.1.30.5	ScalarextremeClearflowRuleValue	accessible-for-notify	current	Calculated rule value
1.3.6.1.4.1.1916.1.30.6	ScalarextremeClearflowRuleThreshold	accessible-for-notify	current	Rule threshold value
1.3.6.1.4.1.1916.1.30.7	ScalarextremeClearflowRuleInterval	accessible-for-notify	current	Rule sampling and evaluation interval
1.3.6.1.4.1.1916.1.30.8	ScalarextremeClearflowVlanName	accessible-for-notify	current	Vlan name on which this policy is applied
1.3.6.1.4.1.1916.1.30.9	ScalarextremeClearflowPortName	accessible-for-notify	current	Port name on which this policy is applied
1.3.6.1.4.1.1916.1.30.10	TableextremeAclListTable	not-accessible	current	This table lists Access control list information that exist within a device. A single entry exists in this list for each VLAN and Port interface in the system.
1.3.6.1.4.1.1916.1.30.10.1	RowextremeAclListEntry	not-accessible	current	An individual Access control list entry.
1.3.6.1.4.1.1916.1.30.10.1.1	ColumnextremeAclPortIfIndex	read-only	current	An port index that uniquely identifies an entry in the acl list table.
1.3.6.1.4.1.1916.1.30.10.1.2	ColumnextremeAclVlanIfIndex	read-only	current	An vlan index that uniquely identifies an entry in the acl list table.
1.3.6.1.4.1.1916.1.30.10.1.3	ColumnextremeAclCounterName	read-only	current	The access control list counter name
1.3.6.1.4.1.1916.1.30.10.1.4	ColumnextremeAclVlanName	read-only	current	Vlan name on which this policy is applied
1.3.6.1.4.1.1916.1.30.10.1.5	ColumnextremeAclPolicyName	read-only	current	The access control list name
1.3.6.1.4.1.1916.1.30.10.1.6	ColumnextremeAclDirection	read-only	current	The interface direction.
1.3.6.1.4.1.1916.1.30.10.1.7	ColumnextremeAclPktCount	read-only	current	The access control list packet count
1.3.6.1.4.1.1916.1.30.10.1.8	ColumnextremeAclByteCount	read-only	current	The access control list byte count
1.3.6.1.4.1.1916.1.30.11	TableextremeTrafficQueueStatsTable	not-accessible	current	This table lists traffic queue statistics information that exist within a device. A single entry exists in this list for each traffic queue in the system.
1.3.6.1.4.1.1916.1.30.11.1	RowextremeTrafficQueueStatsTableEntry	not-accessible	current	An individual traffic queue stats table entry.
1.3.6.1.4.1.1916.1.30.11.1.1	ColumnextremeTrafficQueueName	read-only	current	The traffic queue name that uniquely identifies an entry in the traffic queue table.
1.3.6.1.4.1.1916.1.30.11.1.2	ColumnextremeTrafficQueueDirection	read-only	current	Indicates the direction of traffic queue
1.3.6.1.4.1.1916.1.30.11.1.3	ColumnextremeTrafficQueueHighPassedPkts	read-only	current	Maximum number of packets passed for this traffic queue
1.3.6.1.4.1.1916.1.30.11.1.4	ColumnextremeTrafficQueueHighPassedBytes	read-only	current	Maximum number of bytes passed for this traffic queue
1.3.6.1.4.1.1916.1.30.11.1.5	ColumnextremeTrafficQueueHighDroppedPkts	read-only	current	Maximum number of packets dropped for this traffic queue
1.3.6.1.4.1.1916.1.30.11.1.6	ColumnextremeTrafficQueueHighDroppedBytes	read-only	current	Maximum number of bytes dropped for this traffic queue
1.3.6.1.4.1.1916.1.30.11.1.7	ColumnextremeTrafficQueueMedPassedPkts	read-only	current	Medium number of packets passed for this traffic queue
1.3.6.1.4.1.1916.1.30.11.1.8	ColumnextremeTrafficQueueMedPassedBytes	read-only	current	Medium number of bytes passed for this traffic queue
1.3.6.1.4.1.1916.1.30.11.1.9	ColumnextremeTrafficQueueMedDroppedPkts	read-only	current	Medium number of packets dropped for this traffic queue
1.3.6.1.4.1.1916.1.30.11.1.10	ColumnextremeTrafficQueueMedDroppedBytes	read-only	current	Medium number of bytes dropped for this traffic queue
1.3.6.1.4.1.1916.1.30.11.1.11	ColumnextremeTrafficQueueLowPassedPkts	read-only	current	Minimum number of packets passed for this traffic queue
1.3.6.1.4.1.1916.1.30.11.1.12	ColumnextremeTrafficQueueLowPassedBytes	read-only	current	Minimum number of bytes passed for this traffic queue
1.3.6.1.4.1.1916.1.30.11.1.13	ColumnextremeTrafficQueueLowDroppedPkts	read-only	current	Minimum number of packets dropped for this traffic queue
1.3.6.1.4.1.1916.1.30.11.1.14	ColumnextremeTrafficQueueLowDroppedBytes	read-only	current	Minimum number of bytes dropped for this traffic queue
1.3.6.1.4.1.1916.1.30.11.1.15	ColumnextremeTrafficQueueAggPassedPkts	read-only	current	Aggregate number of packets passed for this traffic queue
1.3.6.1.4.1.1916.1.30.11.1.16	ColumnextremeTrafficQueueAggPassedBytes	read-only	current	Aggregate number of bytes passed for this traffic queue
1.3.6.1.4.1.1916.1.30.11.1.17	ColumnextremeTrafficQueueAggDroppedPkts	read-only	current	Aggregate number of packets dropped for this traffic queue
1.3.6.1.4.1.1916.1.30.11.1.18	ColumnextremeTrafficQueueAggDroppedBytes	read-only	current	Aggregate number of bytes dropped for this traffic queue
1.3.6.1.4.1.1916.1.30.12	TableextremeTrafficQueueUtilTable	not-accessible	current	This table lists traffic queue statistics information that exist within a device. A single entry exists in this list for each traffic queue in the system.
1.3.6.1.4.1.1916.1.30.12.1	RowextremeTrafficQueueUtilTableEntry	not-accessible	current	An each traffic queue related utilization information
1.3.6.1.4.1.1916.1.30.12.1.1	ColumnextremeUtilTrafficQueueName	read-only	current	The traffic queue name that uniquely identifies an entry in the traffic queue table.
1.3.6.1.4.1.1916.1.30.12.1.2	ColumnextremeUtilTrafficQueueDirection	read-only	current	Indicates the direction of traffic queue
1.3.6.1.4.1.1916.1.30.12.1.3	ColumnextremeTrafficQueueHighUtilization	read-only	current	High level utilization of the traffic queue
1.3.6.1.4.1.1916.1.30.12.1.4	ColumnextremeTrafficQueueMedUtilization	read-only	current	Medium level utilization of the traffic queue
1.3.6.1.4.1.1916.1.30.12.1.5	ColumnextremeTrafficQueueLowUtilization	read-only	current	Low level utilization of the traffic queue