A3COM-SWITCHING-SYSTEMS-SMT-MIB

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Category: Vendor: 3Com

Description: Manages FDDI Station Management (SMT) protocol objects on 3Com SuperStack platforms, covering ring station configuration and topology reporting.

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What Is A3COM-SWITCHING-SYSTEMS-SMT-MIB?

A3COM-SWITCHING-SYSTEMS-SMT-MIB manages FDDI Station Management (SMT) protocol objects on 3Com SuperStack switching platforms, covering ring-station configuration and topology reporting for FDDI rings, per the short description. It exposes per-MAC rate-statistics tables for each FDDI station, including byte and frame receive/transmit rates and their peak values, alongside general SMT count/configuration scalars. Its monitoring purpose is FDDI ring performance: an operator can track how much traffic (bytes/frames per second, and peak rates) each FDDI MAC on the ring is sending/receiving, revealing congestion, an overloaded ring station, or an unusually high peak that may indicate a burst or an approaching capacity issue. It implements the standard FDDI SMT protocol concepts (station management) as a 3Com-specific management layer, so it is closely tied to the FDDI SMT standard even though the MIB itself is proprietary. It's deployed on legacy 3Com SuperStack switches/concentrators participating in FDDI ring networks. Engineers can download the A3COM-SWITCHING-SYSTEMS-SMT-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in A3COM-SWITCHING-SYSTEMS-SMT-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

3Com SuperStack FDDI switch/concentrator

Monitoring Examples

Polling a3ComSysSmtFddiMacRateTable/a3ComSysSmtFddiMacRateEntry keyed by a3ComSysSmtFddiMacRateSmtIndex and a3ComSysSmtFddiMacRateIndex returns a3ComSysSmtFddiMacRateByteReceiveRate and a3ComSysSmtFddiMacRateFrameReceiveRate, letting an admin see current throughput per FDDI MAC. Comparing those against a3ComSysSmtFddiMacRatePeakByteReceiveRate and a3ComSysSmtFddiMacRatePeakFrameReceiveRate reveals whether a station is currently near its historical traffic peak, and combined with a3ComSysSmtFddiMacRateByteTransmitRate/a3ComSysSmtFddiMacRatePeakByteTransmitRate helps identify a ring station driving abnormal load. a3ComSysSmtCount gives an overall SMT-level count useful as a quick health summary of the ring.

What Can Be Monitored

per-station FDDI byte receive/transmit rate
per-station FDDI frame receive/transmit rate
peak byte/frame receive rate
peak byte/frame transmit rate
SMT station count

Imported Objects

From RFC-1212

OBJECT-TYPE

From RFC1155-SMI

Counter
IpAddress
enterprises

From RFC1213-MIB

DisplayString

OIDs

OID symbolic	OID numeric	Type	Access	Description
a3Com	1.3.6.1.4.1.43
a3ComSwitchingSystemsMib	1.3.6.1.4.1.43.29.4
a3ComSysSmt	1.3.6.1.4.1.43.29.4.9
INT a3ComSysSmtCount	1.3.6.1.4.1.43.29.4.9.1	INTEGER	read-only	The count of SMTs managed by this agent.
INT a3ComSysSmtFddiMacRateByteReceiveRate	1.3.6.1.4.1.43.29.4.9.5.1.3	INTEGER	read-only	The average number of bytes received per second by the FDDI MAC identified by this entry during the most recent sampling period.
INT a3ComSysSmtFddiMacRateByteTransmitRate	1.3.6.1.4.1.43.29.4.9.5.1.7	INTEGER	read-only	The average number of bytes transmitted per second by the FDDI MAC identified by this entry during the most recent sampling period.
a3ComSysSmtFddiMacRateEntry	1.3.6.1.4.1.43.29.4.9.5.1		not-accessible	An FDDI MAC rate entry contains rate statistics for a particular FDDI MAC managed by this agent. Rate statistics are calculated based on a one second sampling interval.
INT a3ComSysSmtFddiMacRateFrameReceiveRate	1.3.6.1.4.1.43.29.4.9.5.1.5	INTEGER	read-only	The average number of frames received per second by the FDDI MAC identified by this entry during the most recent sampling period.
INT a3ComSysSmtFddiMacRateFrameTransmitRate	1.3.6.1.4.1.43.29.4.9.5.1.9	INTEGER	read-only	The average number of frames transmitted per second by the FDDI MAC identified by this entry during the most recent sampling period.
INT a3ComSysSmtFddiMacRateIndex	1.3.6.1.4.1.43.29.4.9.5.1.2	INTEGER	read-only	The index of the FDDI MAC identified by this entry, within the SMT identified by this entry.
INT a3ComSysSmtFddiMacRatePeakByteReceiveRate	1.3.6.1.4.1.43.29.4.9.5.1.4	INTEGER	read-only	The peak value of a3ComSysSmtFddiMacByteReceiveRate since the system was last initialized for the FDDI MAC identified by this entry.
INT a3ComSysSmtFddiMacRatePeakByteTransmitRate	1.3.6.1.4.1.43.29.4.9.5.1.8	INTEGER	read-only	The peak value of a3ComSysSmtFddiMacByteTransmitRate since the system was last initialized for the FDDI MAC identified by this entry.
INT a3ComSysSmtFddiMacRatePeakFrameReceiveRate	1.3.6.1.4.1.43.29.4.9.5.1.6	INTEGER	read-only	The peak value of a3ComSysSmtFddiMacRateFrameReceiveRate since the system was last initialized for the FDDI MAC identified by this entry.
INT a3ComSysSmtFddiMacRatePeakFrameTransmitRate	1.3.6.1.4.1.43.29.4.9.5.1.10	INTEGER	read-only	The peak value of a3ComSysSmtFddiMacFrameTransmitRate since the system was last initialized for the FDDI MAC identified by this entry.
INT a3ComSysSmtFddiMacRateSmtIndex	1.3.6.1.4.1.43.29.4.9.5.1.1	INTEGER	read-only	The index of the SMT instance identified by this entry, relative to this agent.
a3ComSysSmtFddiMacRateTable	1.3.6.1.4.1.43.29.4.9.5		not-accessible	A list of FDDI MAC rate entries. A single entry exists in this list for each FDDI MAC, managed by this agent, which supports rate statistics.
a3ComSysSmtFddiPortEntry	1.3.6.1.4.1.43.29.4.9.6.1		not-accessible	An FDDI port entry contains information about a particular FDDI port managed by this agent.
INT a3ComSysSmtFddiPortIndex	1.3.6.1.4.1.43.29.4.9.6.1.2	INTEGER	read-only	The index of the FDDI port identified by this entry, within the SMT identified by this entry.
STR a3ComSysSmtFddiPortLabel	1.3.6.1.4.1.43.29.4.9.6.1.6	DisplayString	read-write	An ASCII text string describing the FDDI port identified by this entry.
INT a3ComSysSmtFddiPortLocationLocalIndex	1.3.6.1.4.1.43.29.4.9.6.1.5	INTEGER	read-only	The local index of the FDDI port identified by this entry relative to the location specified by the corresponding values of a3ComSysSmtFddiPortLocationType and a3ComSysSmtFddiPortLocationTypeIndex.
INT a3ComSysSmtFddiPortLocationType	1.3.6.1.4.1.43.29.4.9.6.1.3	INTEGER	read-only	The type of location where the FDDI port identified by this entry is physically located.
INT a3ComSysSmtFddiPortLocationTypeIndex	1.3.6.1.4.1.43.29.4.9.6.1.4	INTEGER	read-only	The index of the location identified by the corresponding instance of a3ComSysSmtFddiPortLocationType where the FDDI port identified by this entry is physically located.
INT a3ComSysSmtFddiPortSmtIndex	1.3.6.1.4.1.43.29.4.9.6.1.1	INTEGER	read-only	The index of the SMT instance identified by this entry, relative to this agent.
INT a3ComSysSmtFddiPortSystemPhysicalConnectorId	1.3.6.1.4.1.43.29.4.9.6.1.7	INTEGER	read-only	The actual physical connector that corresponds to the values of a3ComSysSmtFddiPortLocationType a3ComSysSmtFddiPortLocationTypeIndex a3ComSysSmtFddiPortLocationLocalIndex.
a3ComSysSmtFddiPortTable	1.3.6.1.4.1.43.29.4.9.6		not-accessible	A list of FDDI port entries. A single entry exists in this list for each FDDI port managed by this agent.
INT a3ComSysSmtFddiStationModeCurrentMode	1.3.6.1.4.1.43.29.4.9.10.1.4	INTEGER	read-only	Indicates the current SAS or DAS mode of the port(s) instance relative to the SMT instance. A value of 1 indicates SAS(M). A value of 2 indicates SAS(S) and a value of 3 indicates DAS.
a3ComSysSmtFddiStationModeEntry	1.3.6.1.4.1.43.29.4.9.10.1		not-accessible	An FDDI Port entry contains information to assign an FDDI Port to an FDDI Station
INT a3ComSysSmtFddiStationModeIndex	1.3.6.1.4.1.43.29.4.9.10.1.1	INTEGER	read-only	The index of the SMT instance identified by this entry, relative to this agent
INT a3ComSysSmtFddiStationModePortIndex	1.3.6.1.4.1.43.29.4.9.10.1.2	INTEGER	read-only	The index of the Port instance identified by this entry, relative to the SMT indentified by this entry.
INT a3ComSysSmtFddiStationModeRequestedMode	1.3.6.1.4.1.43.29.4.9.10.1.5	INTEGER	read-write	Indicates the requested mode for a given port pair. A value of 1 indicates a request for SAS(M) for the corresponding pair. A value of 2 indicates SAS(S) and a value of 3 indicates DAS. It should be noted that if requested mode is different than current mode a reboot is required to enable the requested mode. NOTE: reboot can be accomplished using a3ComSysSystemAction.
INT a3ComSysSmtFddiStationModeSelectablePorts	1.3.6.1.4.1.43.29.4.9.10.1.3	INTEGER	read-only	An implementation specific entry that corresponds to a port pair, based on the hardware implementation. Only ports with a value of 1 are configurable, those with a value of 0 are not.
a3ComSysSmtFddiStationModeTable	1.3.6.1.4.1.43.29.4.9.10		not-accessible	An FDDI station Mode table contains information to assign an FDDI Station to DAS(dual attached) or SAS(single attached) mode. The system must be rebooted after all changes to this table are completed in order that the changes take effect.
switchingSystemsMibs	1.3.6.1.4.1.43.29

RFC description

3Com enterprise SMI/root MIB defining the OID namespace and core objects for 3Com switching systems management.

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Download A3COM-SWITCHING-SYSTEMS-SMT-MIB

What Is A3COM-SWITCHING-SYSTEMS-SMT-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description