FMS100-MIB

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Category: Alarm and Event Management, Domain: Fault Management, Domain: Network Management

Description: Vendor-specific MIB for FMS100 network management system or fault management station providing alarm and event management objects.

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What Is FMS100-MIB?

FMS100-MIB is a legacy 3Com vendor-specific MIB, registered under the 3Com enterprise OID and dating from the early-to-mid 1990s, for the LinkBuilder FMS100 hub family, a 100Mb Ethernet repeater/hub system. It models chassis environmental health through hubEnviroGroupTable (hubHighTemp, hubFanFailed, each tied to enterprise-specific a3comHighTemp/a3comFanFailed traps), repeater-level identity through pa100RptrTable (pa100RptrClass classI/classII per the 802.3 repeater standard, pa100RptrStackCardTypeInfo describing card types across a repeater stack), and per-port counters through pa100PortTable (pa100PortIsolate counting automatic port isolations from false-carrier events, pa100PortSymbolErrorDuringPacket counting invalid-symbol occurrences). This data is useful for monitoring the physical health of an early 100BaseTX repeater deployment, overheating, fan failure, and port-level signal-integrity problems that the 802.3 carrier-integrity state machine would otherwise mask. It depends on RFC1155-SMI for its base SMI types since it predates SNMPv2, and it is deployed on 3Com LinkBuilder FMS100 hub chassis, where administrators can download the FMS100-MIB MIB Browser definitions to load it alongside other 3Com repeater MIBs.

IPNetwork Monitor allows you to monitor SNMP objects defined in FMS100-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 LinkBuilder FMS100 100Mb Ethernet hub / repeater chassis

Monitoring Examples

An operator polls hubHighTemp and hubFanFailed for the hub's service/group index and reviews pa100PortIsolate counters across pa100PortTable; a fan-failed trap combined with a climbing pa100PortIsolate count on multiple ports would indicate the hub is overheating and ports are being forced into the Link Unstable state as a result.

What Can Be Monitored

hub high-temperature and fan-failure status
repeater class and stack card type
per-port automatic isolation counter
per-port symbol error counter
group/port indexing and capacity

Imported Objects

From RFC1155-SMI

Counter
OBJECT-TYPE
enterprises

OIDs

OID symbolic	OID numeric	Type	Access	Description
a3Com	1.3.6.1.4.1.43
products	1.3.6.1.4.1.43.1
hub	1.3.6.1.4.1.43.1.8
linkBuilderFMS100	1.3.6.1.4.1.43.1.8.20
cards	1.3.6.1.4.1.43.1.9
linkBuilderFMS100_cards	1.3.6.1.4.1.43.1.9.10
linkBuilderFMS100_cards_12utp	1.3.6.1.4.1.43.1.9.10.1
linkBuilderFMS100_mib	1.3.6.1.4.1.43.19
hubEnviroObject	1.3.6.1.4.1.43.19.2
hubEnviroGroupTable	1.3.6.1.4.1.43.19.2.1		not-accessible	Table of Environment information about the group.
hubEnviroGroupEntry	1.3.6.1.4.1.43.19.2.1.1		not-accessible	An Entry in the table, containing information about a single group.
INT hubServiceId	1.3.6.1.4.1.43.19.2.1.1.1	INTEGER	read-only	This object identifies the repeater which this entry contains information. For FMS100, this is a constant 1.
INT hubGroupIndex	1.3.6.1.4.1.43.19.2.1.1.2	INTEGER	read-only	This object identifies the group within the repeater for which this entry contains information. This number is never greater than paRptrGroupCapacity.
INT hubHighTemp	1.3.6.1.4.1.43.19.2.1.1.3	INTEGER	read-only	This variable shows the current temperature status of the hub. If the variable changed from false to true, The enterprise-specific trap(a3comHighTemp) will be sent to the configured SNMP manager stations.
INT hubFanFailed	1.3.6.1.4.1.43.19.2.1.1.4	INTEGER	read-only	This variable shows the current Fan Fail status of the hub. If the variable changed from false to true, The enterprise-specific trap(a3comFanFailed) will be sent to the configured SNMP manager stations.
pa100RptrSpecific	1.3.6.1.4.1.43.19.3
pa100RptrInfo	1.3.6.1.4.1.43.19.3.1
pa100RptrTable	1.3.6.1.4.1.43.19.3.1.1		not-accessible	Table of descriptive and STATUS information about the 100Mb Ethernet Hub
pa100RptrEntry	1.3.6.1.4.1.43.19.3.1.1.1		not-accessible	An entry in the table, containing information about the repeater.
INT pa100RptrServiceId	1.3.6.1.4.1.43.19.3.1.1.1.1	INTEGER	read-only	This object identifies the repeater which this entry contains information.
INT pa100RptrClass	1.3.6.1.4.1.43.19.3.1.1.1.2	INTEGER	read-only	The pa100RptrClass is the repeater class as defined in 802.3 standard. Class I: A type of repeater set specified such that in a maximum length segment topology, only one such repeater set may exist between any two DTEs within a single collision domain. Class II: A type of repeater set specified such that in a maximum length segment topology, only two such repeater set may exist between any two DTEs within a single collision domain.
OCT pa100RptrStackCardTypeInfo	1.3.6.1.4.1.43.19.3.1.1.1.3	OCTET STRING	read-only	Supplies the information about the type of Cards in the repeater stack. There is one octet for each unit in the stack. Each octet can have the following values: 0 : undetected(power off or non-exist) 1 : repeater card 2 : management unit 3 : bridge/management card 4 : backup management(/bridge) card 5 : powered off 6 : unknown Value 0 indicates either the powered off card's cardindex is higher than all of the powered on cards or the card is non-existant. Value 5 indicates that the card is powered off and there are powered on card(s) with higher index number. Octet offset(started 0) N indicates N+1 th card information. I.e. The first octet indicates card 1's information.
pa100GroupInfo	1.3.6.1.4.1.43.19.3.2
pa100PortInfo	1.3.6.1.4.1.43.19.3.3
pa100PortTable	1.3.6.1.4.1.43.19.3.3.1		not-accessible	Table of descriptive and STATUS information about the ports that is specific to 100Mb Ethernet Hub
pa100PortEntry	1.3.6.1.4.1.43.19.3.3.1.1		not-accessible	An entry in the table, containing information about a single port.
INT pa100PortServiceId	1.3.6.1.4.1.43.19.3.3.1.1.1	INTEGER	read-only	This object identifies the repeater which this entry contains information.
INT pa100PortGroupIndex	1.3.6.1.4.1.43.19.3.3.1.1.2	INTEGER	read-only	This object identifies the group containing the port for which this entry contains information.
INT pa100PortIndex	1.3.6.1.4.1.43.19.3.3.1.1.3	INTEGER	read-only	This object identifies the port within the group for which this entry contains information. This value can never be greater than paRptrGroupPortCapacity for the associated group.
CTR pa100PortIsolate	1.3.6.1.4.1.43.19.3.3.1.1.4	Counter	read-only	Increment counter by each time that the repeater port automatically isolates as a consequence of false carrier events. The conditions which cause a port to automatically isolate are as defined by the transition from the False Carrier state to the Link Unstable state of the carrier integrity state diagram.(802.3 std)
CTR pa100PortSymbolErrorDuringPacket	1.3.6.1.4.1.43.19.3.3.1.1.5	Counter	read-only	A count of the number of times when valid length packet was received at the port and there was at least one occurrence of an invalid symbol. This can increment only once per valid carrier event. A collision presence at any port of the repeater containing port N, will not cause this attribute to increment.

RFC description

3Com LinkBuilder FMS100 hub management MIB for environmental monitoring and port group information.

Start monitoring 3Com LinkBuilder FMS100 100Mb Ethernet hub/repeater (legacy) 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 FMS100-MIB

What Is FMS100-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description