ENTERASYS-SPANNING-TREE-DIAGNOSTIC-MIB

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Organization: Enterasys Networks, Inc

Last Updated: 2006-10-04

Category: Protocol: STP, Technology: Bridging, Vendor: Enterasys/Cabletron

Description: Enterasys Networks STP diagnostic MIB providing detailed spanning tree state history and disputed BPDU threshold monitoring.

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What Is ENTERASYS-SPANNING-TREE-DIAGNOSTIC-MIB?

ENTERASYS-SPANNING-TREE-DIAGNOSTIC-MIB is an Enterasys Networks proprietary MIB providing detailed diagnostic counters for the IEEE 802.1D, 802.1w, and 802.1s spanning tree protocols running on Enterasys switches. It exposes BPDU traffic counters (STP config, TCN, and RST BPDUs sent/received), topology change counts, invalid BPDU counts, and counter-reset timestamps. Its primary use is monitoring the software-level stability of the Layer 2 topology: rising topology-change or invalid-BPDU counts indicate flapping links, misconfigured ports, or a potential loop, while the reset-time fields let an admin normalize counters to a known baseline period. It builds on and diagnoses behavior defined by the IEEE 802.1D/802.1w/802.1s standards rather than replacing them. It is used in enterprise or campus networks running Enterasys switches where spanning tree stability needs close diagnostic visibility, with the ENTERASYS-SPANNING-TREE-DIAGNOSTIC-MIB MIB defining the BPDU and topology-change counters behind that visibility.

IPNetwork Monitor allows you to monitor SNMP objects defined in ENTERASYS-SPANNING-TREE-DIAGNOSTIC-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.

Supported Devices

Enterasys/Extreme Networks managed switches

Monitoring Examples

An engineer investigating intermittent outages would poll etsysStpDiagTopChanges to see if topology changes are unusually frequent, and check etsysStpDiagCommonInvalidBpdu for malformed BPDUs suggesting a misbehaving neighbor or a compatibility issue between STP variants. Comparing etsysStpDiagCommonRstBpduRx/etsysStpDiagCommonRstBpduTx and etsysStpDiagCommonStpTcnBpduRx/etsysStpDiagCommonStpTcnBpduTx across ports helps identify which link is generating excessive topology change notifications. etsysStpDiagCounterResetDateAndTime shows when counters were last cleared, so a spike can be correctly attributed to a specific time window.

What Can Be Monitored

topology change count
invalid BPDU count
STP/RSTP/TCN BPDU tx/rx counts
counter reset timestamp
disputed BPDU threshold events

Imported Objects

From BRIDGE-MIB

BridgeId
dot1dStpPort
dot1dStpPortEntry

From ENTERASYS-MIB-NAMES

etsysModules

OBJECT-IDENTITY

From IF-MIB

InterfaceIndex

From SNMPv2-CONF

MODULE-COMPLIANCE
OBJECT-GROUP

From SNMPv2-SMI

Counter32
MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

DateAndTime
TEXTUAL-CONVENTION

How to Use in IPNetwork Monitor

Example using etsysStpDiagTopChanges OID:

Select an Enterasys Networks switch (legacy, later Extreme Networks) (STP/RSTP/MSTP BPDU diagnostics) as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type etsysStpDiagTopChanges into the Find box to locate it in the OID tree, then select it and click OK. The number of topology changes. This is a shadow copy of the dot1dStpTopChanges object from the IETF BRIDGE-MIB. On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is a Counter32-type OID, Value bounds is the most useful condition here — trigger an alert if the counter increases sharply between polls relative to its normal baseline, since an unexpected spike often reflects a real change in traffic or activity. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
etsysSpanningTreeDiagnosticMIB	1.3.6.1.4.1.5624.1.2.29			This MIB module defines a portion of the SNMP enterprise MIBs under Enterasys Networks' enterprise OID pertaining to the Spanning Tree Protocols IEEE 802.1D, 802.1w, and 802.1s.
etsysStpDiagObjects	1.3.6.1.4.1.5624.1.2.29.1
etsysStpDiagNotifications	1.3.6.1.4.1.5624.1.2.29.1.0
NTF etsysStpDiagCistDisputedBpduThresholdExceeded	1.3.6.1.4.1.5624.1.2.29.1.0.1			This notification indicates that the number of disputed BPDUs received by a bridge port on the CIST since the previous notification (if any) has exceeded the threshold defined by etsysStpDiagDisputedBpduTrapThreshold.
NTF etsysStpDiagMstiDisputedBpduThresholdExceeded	1.3.6.1.4.1.5624.1.2.29.1.0.2			This notification indicates that the number of disputed BPDUs received by a bridge port on an MSTI since the previous notification (if any) has exceeded the threshold defined by etsysStpDiagDisputedBpduTrapThreshold.
etsysStpDiagControl	1.3.6.1.4.1.5624.1.2.29.1.1
INT etsysStpDiagCounterReset	1.3.6.1.4.1.5624.1.2.29.1.1.1	INTEGER	read-write	Reading this object always returns noOp(1). Writing the value noOp(1) has no effect. Writing the value reset(2) to this object will cause all of the counters in this MIB module to be reset to zero. Zeroing the counters in this MIB module MUST NOT effect the data presented in any other MIB module. Zeroing the counters in this MIB module WILL affect all users of this MIB module. It is expected that this MIB module will be used by only one person at a time, as counter resets will cause counter discontinuities for all users.
U32 etsysStpDiagCounterResetElapsedTime	1.3.6.1.4.1.5624.1.2.29.1.1.2	Unsigned32	read-only	The number of seconds since the counters in this MIB module were last reset to zero. If the counters have not been reset to zero since the last initialization return the number of seconds since the last initialization.
DAT etsysStpDiagCounterResetDateAndTime	1.3.6.1.4.1.5624.1.2.29.1.1.3	DateAndTime	read-only	The date and time at which the counters in this MIB module were last reset to zero. If the counters have not been reset to zero since the last initialization return the date and time of the last initialization.
etsysStpDiagCommon	1.3.6.1.4.1.5624.1.2.29.1.2
C32 etsysStpDiagTopChangesEx	1.3.6.1.4.1.5624.1.2.29.1.2.1	Counter32	read-only	The number of topology changes. This is a shadow copy of the dot1dStpTopChanges object from the IETF BRIDGE-MIB. Zeroing this object MUST NOT affect dot1dStpTopChanges.
C32 etsysStpDiagCommonInvalidBpdu	1.3.6.1.4.1.5624.1.2.29.1.2.2	Counter32	read-only	The total number of invalid BPDUs received.
C32 etsysStpDiagCommonStpCfgBpduRx	1.3.6.1.4.1.5624.1.2.29.1.2.3	Counter32	read-only	The total number of 802.1D Configuration BPDUs received.
C32 etsysStpDiagCommonStpCfgBpduTx	1.3.6.1.4.1.5624.1.2.29.1.2.4	Counter32	read-only	The total number of 802.1D Configuration BPDUs transmitted.
C32 etsysStpDiagCommonStpTcnBpduRx	1.3.6.1.4.1.5624.1.2.29.1.2.5	Counter32	read-only	The total number of 802.1D Topology Change Notification BPDUs received.
C32 etsysStpDiagCommonStpTcnBpduTx	1.3.6.1.4.1.5624.1.2.29.1.2.6	Counter32	read-only	The total number of 802.1D Topology Change Notification BPDUs transmitted.
C32 etsysStpDiagCommonRstBpduRx	1.3.6.1.4.1.5624.1.2.29.1.2.7	Counter32	read-only	The total number of 802.1w BPDUs received.
C32 etsysStpDiagCommonRstBpduTx	1.3.6.1.4.1.5624.1.2.29.1.2.8	Counter32	read-only	The total number of 802.1w BPDUs transmitted.
C32 etsysStpDiagCommonRstTcRx	1.3.6.1.4.1.5624.1.2.29.1.2.9	Counter32	read-only	The total number of 802.1w BPDUs received with the Topology Change flag set. These BPDUs are included in the overall count of 802.1w BPDUs received in the etsysStpDiagCommonRstBpduRx object.
C32 etsysStpDiagCommonRstTcTx	1.3.6.1.4.1.5624.1.2.29.1.2.10	Counter32	read-only	The total number of 802.1w BPDUs transmitted with the Topology Change flag set. These BPDUs are included in the overall count of 802.1w BPDUs transmitted in the etsysStpDiagCommonRstBpduTx object.
C32 etsysStpDiagCommonMstBpduRx	1.3.6.1.4.1.5624.1.2.29.1.2.11	Counter32	read-only	The total number of 802.1s BPDUs received.
C32 etsysStpDiagCommonMstBpduTx	1.3.6.1.4.1.5624.1.2.29.1.2.12	Counter32	read-only	The total number of 802.1s BPDUs transmitted.
C32 etsysStpDiagCommonMstCistTcRx	1.3.6.1.4.1.5624.1.2.29.1.2.13	Counter32	read-only	The total number of 802.1s BPDUs received with the Topology Change flag set in the CIST Flags field. These BPDUs are included in the overall count of 802.1s BPDUs received in the etsysStpDiagCommonMstBpduRx object.
C32 etsysStpDiagCommonMstCistTcTx	1.3.6.1.4.1.5624.1.2.29.1.2.14	Counter32	read-only	The total number of 802.1s BPDUs transmitted with the Topology Change flag set in the CIST Flags field. These BPDUs are included in the overall count of 802.1s BPDUs transmitted in the etsysStpDiagCommonMstBpduRx object.
C32 etsysStpDiagCommonStpCfgBpduRxTcFlagSet	1.3.6.1.4.1.5624.1.2.29.1.2.15	Counter32	read-only	The total number of 802.1D Configuration BPDUs received with the Topology Change flag set. These BPDUs are included in the overall count of 802.1D Configuration BPDUs received in the etsysStpDiagCommonStpCfgBpduRx object.
C32 etsysStpDiagCommonStpCfgBpduTxTcFlagSet	1.3.6.1.4.1.5624.1.2.29.1.2.16	Counter32	read-only	The total number of 802.1D Configuration BPDUs transmitted with the Topology Change flag set. These BPDUs are included in the overall count of 802.1D Configuration BPDUs transmitted in the etsysStpDiagCommonStpCfgBpduTx object.
C32 etsysStpDiagCommonDisputedBpdu	1.3.6.1.4.1.5624.1.2.29.1.2.17	Counter32	read-only	The total number of BPDUs received with inferior designated information and that have the learning flag set. These BPDU's may indicate the presence of a one way communication path between adjacent bridge ports. They can also occur as part of normal operation of a network, and may persist for a while during power up.
C32 etsysStpDiagMessageExpiration	1.3.6.1.4.1.5624.1.2.29.1.2.28	Counter32	read-only	The number of times the BPDU message timer expired. This indicates that BPDUs are not being received on a regular basis.
etsysStpDiagCistPort	1.3.6.1.4.1.5624.1.2.29.1.3
etsysStpDiagCistPortTable	1.3.6.1.4.1.5624.1.2.29.1.3.1		not-accessible	A table that contains port level diagnostic information indexed by its MIB-II interface number.
etsysStpDiagCistPortEntry	1.3.6.1.4.1.5624.1.2.29.1.3.1.1		not-accessible	A list of diagnostic information maintained for every port.
NUM etsysStpDiagCistPortNumber	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.1	InterfaceIndex	read-only	The MIB-II interface number of the port for which this entry contains Spanning Tree Protocol diagnostic information.
ETS etsysStpDiagCistPortRole	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.2	EtsysStpPortRole	read-only	Indicates the port role for this port.
C32 etsysStpDiagCistPortInvalidBpdu	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.3	Counter32	read-only	The total number of invalid BPDUs received on this port.
C32 etsysStpDiagCistPortStpCfgBpduRx	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.4	Counter32	read-only	The total number of 802.1D Configuration BPDUs received on this port.
C32 etsysStpDiagCistPortStpCfgBpduTx	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.5	Counter32	read-only	The total number of 802.1D Configuration BPDUs transmitted on this port.
C32 etsysStpDiagCistPortStpTcnBpduRx	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.6	Counter32	read-only	The total number of 802.1D Topology Change Notification BPDUs received on this port.
C32 etsysStpDiagCistPortStpTcnBpduTx	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.7	Counter32	read-only	The total number of 802.1D Topology Change Notification BPDUs transmitted on this port.
C32 etsysStpDiagCistPortRstBpduRx	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.8	Counter32	read-only	The total number of 802.1w BPDUs received on this port.
C32 etsysStpDiagCistPortRstBpduTx	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.9	Counter32	read-only	The total number of 802.1w BPDUs transmitted on this port.
C32 etsysStpDiagCistPortRstTcRx	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.10	Counter32	read-only	The total number of 802.1w BPDUs received on this port with the Topology Change flag set. These BPDUs are included in the overall count of 802.1w BPDUs received in the etsysStpDiagCistPortRstBpduRx object.
C32 etsysStpDiagCistPortRstTcTx	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.11	Counter32	read-only	The total number of 802.1w BPDUs transmitted on this port with the Topology Change flag set. These BPDUs are included in the overall count of 802.1w BPDUs transmitted in the etsysStpDiagCistPortRstBpduTx object.
C32 etsysStpDiagCistPortMstBpduRx	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.12	Counter32	read-only	The total number of 802.1s BPDUs received on this port.
C32 etsysStpDiagCistPortMstBpduTx	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.13	Counter32	read-only	The total number of 802.1s BPDUs transmitted on this port.
C32 etsysStpDiagCistPortMstCistTcRx	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.14	Counter32	read-only	The total number of 802.1s BPDUs received on this port with the Topology Change flag set in the CIST Flags field. These BPDUs are included in the overall count of 802.1s BPDUs received in the etsysStpDiagCistPortMstBpduRx object.
C32 etsysStpDiagCistPortMstCistTcTx	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.15	Counter32	read-only	The total number of 802.1s BPDUs transmitted on this port with the Topology Change flag set in the CIST Flags field. These BPDUs are included in the overall count of 802.1s BPDUs transmitted in the etsysStpDiagCistPortMstBpduRx object.
C32 etsysStpDiagCistPortExpiration	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.16	Counter32	read-only	The number of times the BPDU message timer expired. This indicates that BPDUs are not being received on a regular basis.
C32 etsysStpDiagCistPortStpCfgBpduRxTcFlagSet	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.17	Counter32	read-only	The total number of 802.1D Configuration BPDUs received on this port with the Topology Change flag set. These BPDUs are included in the overall count of 802.1D Configuration BPDUs received in the etsysStpDiagCistPortStpCfgBpduRx object.
C32 etsysStpDiagCistPortStpCfgBpduTxTcFlagSet	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.18	Counter32	read-only	The total number of 802.1D Configuration BPDUs transmitted on this port with the Topology Change flag set. These BPDUs are included in the overall count of 802.1D Configuration BPDUs transmitted in the etsysStpDiagCistPortStpCfgBpduRx object.
C32 etsysStpDiagCistPortDisputedBpdu	1.3.6.1.4.1.5624.1.2.29.1.3.1.1.19	Counter32	read-only	The total number of BPDUs received on this port with inferior designated information and that have the learning flag set. These BPDU's may indicate the presence of a one way communication path between adjacent bridge ports. They can also occur as part of normal operation of a network, and may persist for a while during power up.
etsysStpDiagCistBridgePortTable	1.3.6.1.4.1.5624.1.2.29.1.3.2		not-accessible	A table that contains port level diagnostic information indexed by bridge port.
etsysStpDiagCistBridgePortEntry	1.3.6.1.4.1.5624.1.2.29.1.3.2.1		not-accessible	A list of diagnostic information maintained for every port.
ETS etsysStpDiagCistBridgePortRole	1.3.6.1.4.1.5624.1.2.29.1.3.2.1.2	EtsysStpPortRole	read-only	Indicates the port role for this port.
C32 etsysStpDiagCistBridgePortInvalidBpdu	1.3.6.1.4.1.5624.1.2.29.1.3.2.1.3	Counter32	read-only	The total number of invalid BPDUs received on this port.
C32 etsysStpDiagCistBridgePortStpCfgBpduRx	1.3.6.1.4.1.5624.1.2.29.1.3.2.1.4	Counter32	read-only	The total number of 802.1D Configuration BPDUs received on this port.
C32 etsysStpDiagCistBridgePortStpCfgBpduTx	1.3.6.1.4.1.5624.1.2.29.1.3.2.1.5	Counter32	read-only	The total number of 802.1D Configuration BPDUs transmitted on this port.
C32 etsysStpDiagCistBridgePortStpTcnBpduRx	1.3.6.1.4.1.5624.1.2.29.1.3.2.1.6	Counter32	read-only	The total number of 802.1D Topology Change Notification BPDUs received on this port.
C32 etsysStpDiagCistBridgePortStpTcnBpduTx	1.3.6.1.4.1.5624.1.2.29.1.3.2.1.7	Counter32	read-only	The total number of 802.1D Topology Change Notification BPDUs transmitted on this port.
C32 etsysStpDiagCistBridgePortRstBpduRx	1.3.6.1.4.1.5624.1.2.29.1.3.2.1.8	Counter32	read-only	The total number of 802.1w BPDUs received on this port.
C32 etsysStpDiagCistBridgePortRstBpduTx	1.3.6.1.4.1.5624.1.2.29.1.3.2.1.9	Counter32	read-only	The total number of 802.1w BPDUs transmitted on this port.
C32 etsysStpDiagCistBridgePortRstTcRx	1.3.6.1.4.1.5624.1.2.29.1.3.2.1.10	Counter32	read-only	The total number of 802.1w BPDUs received on this port with the Topology Change flag set. These BPDUs are included in the overall count of 802.1w BPDUs received in the etsysStpDiagCistPBridgeortRstBpduRx object.
C32 etsysStpDiagCistBridgePortRstTcTx	1.3.6.1.4.1.5624.1.2.29.1.3.2.1.11	Counter32	read-only	The total number of 802.1w BPDUs transmitted on this port with the Topology Change flag set. These BPDUs are included in the overall count of 802.1w BPDUs transmitted in the etsysStpDiagCistBridgePortRstBpduTx object.
C32 etsysStpDiagCistBridgePortMstBpduRx	1.3.6.1.4.1.5624.1.2.29.1.3.2.1.12	Counter32	read-only	The total number of 802.1s BPDUs received on this port.
C32 etsysStpDiagCistBridgePortMstBpduTx	1.3.6.1.4.1.5624.1.2.29.1.3.2.1.13	Counter32	read-only	The total number of 802.1s BPDUs transmitted on this port.
C32 etsysStpDiagCistBridgePortMstCistTcRx	1.3.6.1.4.1.5624.1.2.29.1.3.2.1.14	Counter32	read-only	The total number of 802.1s BPDUs received on this port with the Topology Change flag set in the CIST Flags field. These BPDUs are included in the overall count of 802.1s BPDUs received in the etsysStpDiagCistBridgePortMstBpduRx object.
C32 etsysStpDiagCistBridgePortMstCistTcTx	1.3.6.1.4.1.5624.1.2.29.1.3.2.1.15	Counter32	read-only	The total number of 802.1s BPDUs transmitted on this port with the Topology Change flag set in the CIST Flags field. These BPDUs are included in the overall count of 802.1s BPDUs transmitted in the etsysStpDiagCistBridgePortMstBpduRx object.
C32 etsysStpDiagCistBridgePortExpiration	1.3.6.1.4.1.5624.1.2.29.1.3.2.1.16	Counter32	read-only	The number of times the BPDU message timer expired. This indicates that BPDUs are not being received on a regular basis.
C32 etsysStpDiagCistBridgePortStpCfgBpduRxTcFlagSet	1.3.6.1.4.1.5624.1.2.29.1.3.2.1.17	Counter32	read-only	The total number of 802.1D Configuration BPDUs received on this port with the Topology Change flag set. These BPDUs are included in the overall count of 802.1D Configuration BPDUs received in the etsysStpDiagCistBridgePortStpCfgBpduRx object.
C32 etsysStpDiagCistBridgePortStpCfgBpduTxTcFlagSet	1.3.6.1.4.1.5624.1.2.29.1.3.2.1.18	Counter32	read-only	The total number of 802.1D Configuration BPDUs transmitted on this port with the Topology Change flag set. These BPDUs are included in the overall count of 802.1D Configuration BPDUs transmitted in the etsysStpDiagCistBridgePortStpCfgBpduRx object.
C32 etsysStpDiagCistBridgePortDisputedBpdu	1.3.6.1.4.1.5624.1.2.29.1.3.2.1.19	Counter32	read-only	The total number of BPDUs received on this port with inferior designated information and that have the learning flag set. These BPDU's may indicate the presence of a one way communication path between adjacent bridge ports. They can also occur as part of normal operation of a network, and may persist for a while during power up.
etsysStpDiagMsti	1.3.6.1.4.1.5624.1.2.29.1.4
etsysStpDiagMstiTable	1.3.6.1.4.1.5624.1.2.29.1.4.1		not-accessible	A table that contains diagnostic information for each IEEE 802.1s Multiple Spanning Tree Instance.
etsysStpDiagMstiEntry	1.3.6.1.4.1.5624.1.2.29.1.4.1.1		not-accessible	A list of diagnostic information for each IEEE 802.1s Multiple Spanning Tree Instance that is configured.
U32 etsysStpDiagMstiId	1.3.6.1.4.1.5624.1.2.29.1.4.1.1.1	Unsigned32	read-only	The unique ID of this Multiple Spanning Tree instance. The CIST (common and internal spanning tree) is not represented in this table. There are a maximum of sixty-four MSTIs, each with a unique identifier in the range of 1-4094.
C32 etsysStpDiagMstiTopChanges	1.3.6.1.4.1.5624.1.2.29.1.4.1.1.2	Counter32	read-only	The total number of topology changes detected on this Mulitple Spanning Tree Instance.
C32 etsysStpDiagMstiConfigMsgRx	1.3.6.1.4.1.5624.1.2.29.1.4.1.1.3	Counter32	read-only	The total number of 802.1s BPDUs received with MSTI Configuration Messages for this MSTI.
C32 etsysStpDiagMstiConfigMsgTx	1.3.6.1.4.1.5624.1.2.29.1.4.1.1.4	Counter32	read-only	The total number of 802.1s BPDUs transmitted with MSTI Configuration Messages for this MSTI.
C32 etsysStpDiagMstiTcRx	1.3.6.1.4.1.5624.1.2.29.1.4.1.1.5	Counter32	read-only	The total number of 802.1s BPDUs received with MSTI Configuration Messages for this MSTI that had the Topology Change flag set in the MSTI Flags field.
C32 etsysStpDiagMstiTcTx	1.3.6.1.4.1.5624.1.2.29.1.4.1.1.6	Counter32	read-only	The total number of 802.1s BPDUs transmitted with MSTI Configuration Messages for this MSTI that had the Topology Change flag set in the MSTI Flags field.
C32 etsysStpDiagMstiDisputedBpdu	1.3.6.1.4.1.5624.1.2.29.1.4.1.1.7	Counter32	read-only	The total number of BPDUs received on this MSTI with inferior designated information and that have the learning flag set. These BPDU's may indicate the presence of a one way communication path between adjacent bridge ports. They can also occur as part of normal operation of a network, and may persist for a while during power up.
etsysStpDiagMstiPort	1.3.6.1.4.1.5624.1.2.29.1.5
etsysStpDiagMstiPortTable	1.3.6.1.4.1.5624.1.2.29.1.5.1		not-accessible	A table that contains diagnostic information for each port on every IEEE 802.1s Multiple Spanning Tree Instance.
etsysStpDiagMstiPortEntry	1.3.6.1.4.1.5624.1.2.29.1.5.1.1		not-accessible	A list of diagnostic information for each port on every IEEE 802.1s Multiple Spanning Tree Instance that is configured.
U32 etsysStpDiagMstiPortMstiId	1.3.6.1.4.1.5624.1.2.29.1.5.1.1.1	Unsigned32	read-only	The unique ID of this Multiple Spanning Tree instance. The CIST (common and internal spanning tree) is not represented in this table. There are a maximum of sixty-four MSTIs, each with a unique identifier in the range of 1-4094.
NUM etsysStpDiagMstiPortNumber	1.3.6.1.4.1.5624.1.2.29.1.5.1.1.2	InterfaceIndex	read-only	The port number of the port for which this entry contains Spanning Tree Protocol diagnostic information.
C32 etsysStpDiagMstiPortTopChanges	1.3.6.1.4.1.5624.1.2.29.1.5.1.1.3	Counter32	read-only	The total number of topology changes detected on this Mulitple Spanning Tree Instance and port.
C32 etsysStpDiagMstiPortConfigMsgRx	1.3.6.1.4.1.5624.1.2.29.1.5.1.1.4	Counter32	read-only	The total number of 802.1s BPDUs received with MSTI Configuration Messages for this MSTI and port.
C32 etsysStpDiagMstiPortConfigMsgTx	1.3.6.1.4.1.5624.1.2.29.1.5.1.1.5	Counter32	read-only	The total number of 802.1s BPDUs transmitted with MSTI Configuration Messages for this MSTI and port.
C32 etsysStpDiagMstiPortTcRx	1.3.6.1.4.1.5624.1.2.29.1.5.1.1.6	Counter32	read-only	The total number of 802.1s BPDUs received with MSTI Configuration Messages for this MSTI and port that had the Topology Change flag set in the MSTI Flags field.
C32 etsysStpDiagMstiPortTcTx	1.3.6.1.4.1.5624.1.2.29.1.5.1.1.7	Counter32	read-only	The total number of 802.1s BPDUs transmitted with MSTI Configuration Messages for this MSTI and port that had the Topology Change flag set in the MSTI Flags field.
C32 etsysStpDiagMstiPortDisputedBpdu	1.3.6.1.4.1.5624.1.2.29.1.5.1.1.8	Counter32	read-only	The total number of BPDUs received on this MSTI and port with inferior designated information that have the learning flag set. These BPDU's may indicate the presence of a one way communication path between adjacent bridge ports. They can also occur as part of normal operation of a network, and may persist for a while during power up.
etsysStpDiagMstiBridgePortTable	1.3.6.1.4.1.5624.1.2.29.1.5.2		not-accessible	A table that contains diagnostic information for each port on every IEEE 802.1s Multiple Spanning Tree Instance.
etsysStpDiagMstiBridgePortEntry	1.3.6.1.4.1.5624.1.2.29.1.5.2.1		not-accessible	A list of diagnostic information for each port on every IEEE 802.1s Multiple Spanning Tree Instance that is configured.
U32 etsysStpDiagMstiBridgePortMstiId	1.3.6.1.4.1.5624.1.2.29.1.5.2.1.1	Unsigned32	read-only	The unique ID of this Multiple Spanning Tree instance. The CIST (common and internal spanning tree) is not represented in this table. There are a maximum of sixty-four MSTIs, each with a unique identifier in the range of 1-4094.
ETS etsysStpDiagMstiBridgePortRole	1.3.6.1.4.1.5624.1.2.29.1.5.2.1.3	EtsysStpPortRole	read-only	Indicates the port role for this port.
C32 etsysStpDiagMstiBridgePortConfigMsgRx	1.3.6.1.4.1.5624.1.2.29.1.5.2.1.4	Counter32	read-only	The total number of 802.1s BPDUs received with MSTI Configuration Messages for this MSTI and port.
C32 etsysStpDiagMstiBridgePortConfigMsgTx	1.3.6.1.4.1.5624.1.2.29.1.5.2.1.5	Counter32	read-only	The total number of 802.1s BPDUs transmitted with MSTI Configuration Messages for this MSTI and port.
C32 etsysStpDiagMstiBridgePortTcRx	1.3.6.1.4.1.5624.1.2.29.1.5.2.1.6	Counter32	read-only	The total number of 802.1s BPDUs received with MSTI Configuration Messages for this MSTI and port that had the Topology Change flag set in the MSTI Flags field.
C32 etsysStpDiagMstiBridgePortTcTx	1.3.6.1.4.1.5624.1.2.29.1.5.2.1.7	Counter32	read-only	The total number of 802.1s BPDUs transmitted with MSTI Configuration Messages for this MSTI and port that had the Topology Change flag set in the MSTI Flags field.
C32 etsysStpDiagMstiBridgePortDisputedBpdu	1.3.6.1.4.1.5624.1.2.29.1.5.2.1.8	Counter32	read-only	The total number of BPDUs received on this MSTI and port with inferior designated information that have the learning flag set. These BPDU's may indicate the presence of a one way communication path between adjacent bridge ports. They can also occur as part of normal operation of a network, and may persist for a while during power up.
etsysStpDiagRootHistory	1.3.6.1.4.1.5624.1.2.29.1.6
etsysStpDiagRootHistoryTable	1.3.6.1.4.1.5624.1.2.29.1.6.1		not-accessible	A table that contains a short history of the spanning tree root bridges.
etsysStpDiagRootHistoryEntry	1.3.6.1.4.1.5624.1.2.29.1.6.1.1		not-accessible	The date and time that a particular bridge became the root.
U32 etsysStpDiagRootHistoryStpID	1.3.6.1.4.1.5624.1.2.29.1.6.1.1.1	Unsigned32	read-only	The unique ID of this Spanning Tree instance. The value zero represents the CIST. There are a maximum of sixty-four MSTIs, each with a unique identifier in the range of 1-4094.
U32 etsysStpDiagRootHistoryIndex	1.3.6.1.4.1.5624.1.2.29.1.6.1.1.2	Unsigned32	read-only	An index for the root bridge entry. The index value of one represents the most recent entry, and the value of ten represents the oldest entry.
BRI etsysStpDiagRootHistoryBridgeID	1.3.6.1.4.1.5624.1.2.29.1.6.1.1.3	BridgeId	read-only	The bridge identifier of the bridge that this entry represents.
DAT etsysStpDiagRootHistoryDateAndTime	1.3.6.1.4.1.5624.1.2.29.1.6.1.1.4	DateAndTime	read-only	The date and time that this bridge became root.
etsysStpDiagTrapConfig	1.3.6.1.4.1.5624.1.2.29.1.7
U32 etsysStpDiagDisputedBpduTrapThreshold	1.3.6.1.4.1.5624.1.2.29.1.7.1	Unsigned32	read-write	The number of disputed BPDUs that must be received on a particular port on a particular Spanning Tree instance before a disputed BPDU notification is generated. If a notification has been previously generated on behalf of this port/instance, then this object represents the number of disputed BPDUs that must be received since the prior notification before generating a subsequent notification. Setting this object to zero will cause generation of notifications to be disabled.
etsysStpDiagConformance	1.3.6.1.4.1.5624.1.2.29.2
etsysStpDiagGroups	1.3.6.1.4.1.5624.1.2.29.2.1
etsysStpDiagDot1dGroup	1.3.6.1.4.1.5624.1.2.29.2.1.1			A collection of objects providing support for 802.1d Spanning Tree Protocol diagnostics.
etsysStpDiagDot1wGroup	1.3.6.1.4.1.5624.1.2.29.2.1.2			A collection of objects providing support for 802.1w Spanning Tree Protocol diagnostics.
etsysStpDiagDot1sGroup	1.3.6.1.4.1.5624.1.2.29.2.1.3			A collection of objects providing support for 802.1s Spanning Tree Protocol diagnostics.
etsysStpDiagHistoryGroup	1.3.6.1.4.1.5624.1.2.29.2.1.4			A collection of objects providing historical root bridge information.
etsysStpDiagDot1dBridgePortGroup	1.3.6.1.4.1.5624.1.2.29.2.1.5			A collection of objects providing per spanning tree level support for Spanning Tree Protocol diagnostics.
etsysStpDiagDot1wBridgePortGroup	1.3.6.1.4.1.5624.1.2.29.2.1.6			A collection of objects providing per spanning tree level support for Spanning Tree Protocol diagnostics.
etsysStpDiagDot1sBridgePortGroup	1.3.6.1.4.1.5624.1.2.29.2.1.7			A collection of objects providing support for 802.1s Spanning Tree Protocol diagnostics.
etsysStpDiagTrapConfigGroup	1.3.6.1.4.1.5624.1.2.29.2.1.8			A collection of objects providing support for configuration of Spanning Tree Protocol diagnostic traps.
etsysStpDiagNotificationGroup	1.3.6.1.4.1.5624.1.2.29.2.1.9			The group of Spanning Tree Protocol diagnostic notifications.
etsysStpDiagCompliances	1.3.6.1.4.1.5624.1.2.29.2.2
etsysStpDiagCompliance	1.3.6.1.4.1.5624.1.2.29.2.2.1			The compliance statement for devices that support the Spanning Tree Diagnostic MIB.

RFC description

Vendor-private MIB for Enterasys switches providing diagnostic monitoring and troubleshooting for Spanning Tree Protocol (STP).

Start monitoring Enterasys Networks switch (legacy, later Extreme Networks) (STP/RSTP/MSTP BPDU diagnostics) with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

Download ENTERASYS-SPANNING-TREE-DIAGNOSTIC-MIB