SIAE-ECFM-EXT-MIB

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Organization: SIAE MICROELETTRONICA spa

Last Updated: 2016-07-25

Category: Microwave Radio - SIAE MICROELETTRONICA

Description: Manages SIAE MICROELETTRONICA Ethernet Connectivity Fault Management extension objects for OAM.

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What Is SIAE-ECFM-EXT-MIB?

SIAE-ECFM-EXT-MIB is a proprietary extension from SIAE MICROELETTRONICA that adds Ethernet Connectivity Fault Management (ECFM, IEEE 802.1ag/ITU-T Y.1731 style OAM) alarm objects for microwave radio transport equipment. Its data is fault/alarm-oriented, specifically bridging Maintenance End Point (MEP) alarm conditions from the ECFM OAM layer into SIAE's own alarm subsystem. In monitoring terms it exposes Ethernet service continuity faults -- loss of continuity checks, remote defect indications, and similar MEP-level alarm states -- which is central to detecting software/protocol-level faults in Ethernet OAM on a radio link rather than physical hardware faults. It explicitly depends on the SIAE-ALARM module (to which it feeds alarm conditions) and conceptually on the IEEE 802.1ag/ITU-T Y.1731 ECFM standard. It is deployed on SIAE microwave radio platforms carrying Ethernet services, used by telecom operators to monitor end-to-end Ethernet service health across a radio hop. Network engineers evaluating or troubleshooting this functionality can download the SIAE-ECFM-EXT-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in SIAE-ECFM-EXT-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

SIAE MICROELETTRONICA microwave radio equipment

Monitoring Examples

An operator would poll ECFM MEP alarm state objects to check whether a given Maintenance Association's endpoint is reporting loss-of-continuity or remote-defect-indication toward its peer MEP across the radio link. Because this MIB explicitly interfaces into SIAE-ALARM, a raised ECFM alarm here should also surface as a corresponding entry in the unit's central alarm table. Seeing a MEP alarm without any corresponding physical radio alarm suggests the fault is at the Ethernet OAM/service layer rather than the RF link itself.

What Can Be Monitored

ECFM MEP alarm condition
Ethernet OAM continuity check status
remote defect indication
alarm correlation with SIAE-ALARM module

Imported Objects

From SIAE-ALARM-MIB

AlarmSeverityCode
AlarmStatus

From SIAE-TREE-MIB

siaeMib

OBJECT-IDENTITY

From SNMPv2-SMI

MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

OIDs

OID symbolic	OID numeric	Type	Access	Description
siaeEcfmExtMib	1.3.6.1.4.1.3373.1103.94			This mib provides alarm objects to interface ECFM MEP alarm condition to SIAE-ALARM module
INT siaeEcfmExtMibVersion	1.3.6.1.4.1.3373.1103.94.1	INTEGER	read-only	Numerical version of this module. The string version of this MIB have the following format: XX.YY.ZZ so, for example, the value 1 should be interpreted as 00.00.01 and the value 10001 should be interpreted as 01.00.01.
siaeMepAlarms8021agTable	1.3.6.1.4.1.3373.1103.94.2		not-accessible	MEPs for the corresponding index (MdIndex, MaIndex and MepIdentifier).
siaeMepAlarms8021agEntry	1.3.6.1.4.1.3373.1103.94.2.1		not-accessible	The MEP alarm entry
U32 defMIEcfmContextId	1.3.6.1.4.1.3373.1103.94.2.1.1	Unsigned32	not-accessible	context ID: as fsMIEcfmContextId of ARICENT-ECFM-MI-MIB
U32 defMIEcfmMdIndex	1.3.6.1.4.1.3373.1103.94.2.1.2	Unsigned32	not-accessible	Mep Maintenance Domanin: as fsMIEcfmMdIndex of ARICENT-ECFM-MI-MIB
U32 defMIEcfmMaIndex	1.3.6.1.4.1.3373.1103.94.2.1.3	Unsigned32	not-accessible	Mep Maintenance Association: as fsMIEcfmMaIndex of ARICENT-ECFM-MI-MIB
U32 defMIEcfmMepIdentifier	1.3.6.1.4.1.3373.1103.94.2.1.4	Unsigned32	not-accessible	Mep Identifier: as fsMIEcfmIdentifier of ARICENT-ECFM-MI-MIB
ALA defRdiCcmAlarm	1.3.6.1.4.1.3373.1103.94.2.1.5	AlarmStatus	read-only	A remote MEP is reported the RDI bit in its last CCM. According to fsMIEcfmMepDefects (bit 1) in fsMIEcfmMepTable -- ARICENT-ECFM-MI-MIB
ALA defMacStatusAlarm	1.3.6.1.4.1.3373.1103.94.2.1.6	AlarmStatus	read-only	Either some remote MEP is reporting its Interface Status TLV as not isUp, or all remote MEPs are reporting a Port Status TLV that contains some value other than psUp. According to fsMIEcfmMepDefects (bit 2) in fsMIEcfmMepTable -- ARICENT-ECFM-MI-MIB
ALA defRemoteCcmAlarm	1.3.6.1.4.1.3373.1103.94.2.1.7	AlarmStatus	read-only	The MEP is not receiving valid CCMs from at least one of the remote MEPs. According to fsMIEcfmMepDefects (bit 3) in fsMIEcfmMepTable -- ARICENT-ECFM-MI-MIB
ALA defErrorCcmAlarm	1.3.6.1.4.1.3373.1103.94.2.1.8	AlarmStatus	read-only	The MEP has received at least one invalid CCM whose CCM Interval has not yet timed out. According to fsMIEcfmMepDefects (bit 4) in fsMIEcfmMepTable -- ARICENT-ECFM-MI-MIB
ALA defXconCcmAlarm	1.3.6.1.4.1.3373.1103.94.2.1.9	AlarmStatus	read-only	The MEP has received at least one CCM from either another MAID or a lower MD Level whose CCM Interval has not yet timed out. According to fsMIEcfmMepDefects (bit 5) in fsMIEcfmMepTable -- ARICENT-ECFM-MI-MIB
siaeMepAlarmsY1731Table	1.3.6.1.4.1.3373.1103.94.3		not-accessible	MEPs for the corresponding index (MegIndex, MeIndex and MepIdentifier).
siaeMepAlarmsY1731Entry	1.3.6.1.4.1.3373.1103.94.3.1		not-accessible	The MEP alarm entry
U32 defMIEcfmY1731ContextId	1.3.6.1.4.1.3373.1103.94.3.1.1	Unsigned32	not-accessible	Context ID: as fsMIY1731ContextId of ARICENT-ECFM-Y1731-MI-MIB
U32 defMIEcfmY1731MegIndex	1.3.6.1.4.1.3373.1103.94.3.1.2	Unsigned32	not-accessible	Mep Maintenance Entity Group: as fsMIY1731MegIndex of ARICENT-ECFM-Y1731-MI-MIB
U32 defMIEcfmY1731MeIndex	1.3.6.1.4.1.3373.1103.94.3.1.3	Unsigned32	not-accessible	Mep Maintenance Entity: as fsMIY1731MeIndex of ARICENT-ECFM-Y1731-MI-MIB
U32 defMIEcfmY1731MepIdentifier	1.3.6.1.4.1.3373.1103.94.3.1.4	Unsigned32	not-accessible	Mep Identifier: as fsMIEcfmIdentifier of ARICENT-ECFM-Y1731-MI-MIB
ALA defRdiConditionAlarm	1.3.6.1.4.1.3373.1103.94.3.1.5	AlarmStatus	read-only	A MEP detects RDI with it receives a CCM frame with the RDI field set. According to fsMI1731ErrorLogType (bit 1) in fsMI1731ErrorLogTable -- ARICENT-ECFM-1731-MI-MIB
ALA defLossOfContinuityAlarm	1.3.6.1.4.1.3373.1103.94.3.1.6	AlarmStatus	read-only	A MEP detects LOC with a peer MEP when it stops receiving CCM frames from that peer ME. According to fsMI1731ErrorLogType (bit 2) in fsMI1731ErrorLogTable -- ARICENT-ECFM-1731-MI-MIB
ALA defUnexpectedPeriodAlarm	1.3.6.1.4.1.3373.1103.94.3.1.7	AlarmStatus	read-only	A MEP detects UnexpectedPeriod with it receives a CCM frame with a correct MEG Level (i.e.MEG Level equal to the MEPs own MEG Level), a correct MEG Id, a correct MEP ID, but with Period field value different than the MEP's own CCM transmission period. According to fsMI1731ErrorLogType (bit 3) in fsMI1731ErrorLogTable -- ARICENT-ECFM-1731-MI-MIB
ALA defUnexpectedMepAlarm	1.3.6.1.4.1.3373.1103.94.3.1.8	AlarmStatus	read-only	A MEP detects UnexpectedMEP when it receives a CCM frame with a correct MEG Level (i.e.MEG Level equal to the MEPs own MEG Level), a correct MEG ID but an unexpected MEP ID which includes the MEP's own MEP ID. According to fsMI1731ErrorLogType (bit 4) in fsMI1731ErrorLogTable -- ARICENT-ECFM-1731-MI-MIB
ALA defMisMergeAlarm	1.3.6.1.4.1.3373.1103.94.3.1.9	AlarmStatus	read-only	A MEP detects Mismerge when it receives a CCM frame with a correct MEG Level(i.e. MEG Level same as MEPs own MEG Level) but incorrect MEG ID (indicating that frames from a different service instance are merged with the service instance represented by the MEP's own MEG ID). According to fsMI1731ErrorLogType (bit 5) in fsMI1731ErrorLogTable -- ARICENT-ECFM-1731-MI-MIB
ALA defUnexpectedMegLevelAlarm	1.3.6.1.4.1.3373.1103.94.3.1.10	AlarmStatus	read-only	A MEP detects UnexpectedMEGLevel with it receives a CCM frame with incorrect MEG Level. Incorrect MEG Level is less than the MEPs own MEG Level. According to fsMI1731ErrorLogType (bit 6) in fsMI1731ErrorLogTable -- ARICENT-ECFM-1731-MI-MIB
ALA defAisConditionAlarm	1.3.6.1.4.1.3373.1103.94.3.1.11	AlarmStatus	read-only	A MEP detects AIS when it receives an AIS frame. Such a defect is caused by detection of signal fail condition at a server layer or reception of AIS at a server (sub) layer MEP in the case that the MEP does not use ETH-CC function. According to fsMI1731ErrorLogType (bit 10) in fsMI1731ErrorLogTable -- ARICENT-ECFM-1731-MI-MIB
ALA defLckConditionAlarm	1.3.6.1.4.1.3373.1103.94.3.1.12	AlarmStatus	read-only	To communicate the administrative locking of a server (sub) layer MEP and consequential interruption of data traffic forwarding towards the MEP expecting this traffic. It allows a MEP receiving frames with ETH-LCK information to differentiate between a defect condition and an administrative locking action at the server (sub) layer MEP.
ALA mepRdiCcmAlarmsSeverityCode	1.3.6.1.4.1.3373.1103.94.4	AlarmSeverityCode	read-write	Defines the severity associated to the defRdiCcmAlarm and enables/disables the trap generation on status change event.
ALA mepMacStatusAlarmsSeverityCode	1.3.6.1.4.1.3373.1103.94.5	AlarmSeverityCode	read-write	Defines the severity associated to the defMacStatusAlarm and enables/disables the trap generation on status change event.
ALA mepRemoteCcmAlarmsSeverityCode	1.3.6.1.4.1.3373.1103.94.6	AlarmSeverityCode	read-write	Defines the severity associated to the defRemoteCcmAlarm and enables/disables the trap generation on status change event.
ALA mepErrorCcmAlarmsSeverityCode	1.3.6.1.4.1.3373.1103.94.7	AlarmSeverityCode	read-write	Defines the severity associated to the defErrorCcmAlarm and enables/disables the trap generation on status change event.
ALA mepXconCcmAlarmsSeverityCode	1.3.6.1.4.1.3373.1103.94.8	AlarmSeverityCode	read-write	Defines the severity associated to the defXconCcmAlarm and enables/disables the trap generation on status change event.
ALA mepRdiConditionAlarmsSeverityCode	1.3.6.1.4.1.3373.1103.94.9	AlarmSeverityCode	read-write	Defines the severity associated to the defRdiConditionAlarm and enables/disables the trap generation on status change event.
ALA mepLossOfContinuityAlarmsSeverityCode	1.3.6.1.4.1.3373.1103.94.10	AlarmSeverityCode	read-write	Defines the severity associated to the defLossOfContinuityAlarm and enables/disables the trap generation on status change event.
ALA mepUnexpectedPeriodAlarmsSeverityCode	1.3.6.1.4.1.3373.1103.94.11	AlarmSeverityCode	read-write	Defines the severity associated to the defUnexpectedPeriodAlarm and enables/disables the trap generation on status change event.
ALA mepUnexpectedMepAlarmsSeverityCode	1.3.6.1.4.1.3373.1103.94.12	AlarmSeverityCode	read-write	Defines the severity associated to the defUnexpectedMepAlarm and enables/disables the trap generation on status change event.
ALA mepMisMergeAlarmsSeverityCode	1.3.6.1.4.1.3373.1103.94.13	AlarmSeverityCode	read-write	Defines the severity associated to the defMisMergeAlarm and enables/disables the trap generation on status change event.
ALA mepUnexpectedMegLevelAlarmsSeverityCode	1.3.6.1.4.1.3373.1103.94.14	AlarmSeverityCode	read-write	Defines the severity associated to the defUnexpectedMegLevelAlarm and enables/disables the trap generation on status change event.
ALA mepAisConditionAlarmsSeverityCode	1.3.6.1.4.1.3373.1103.94.15	AlarmSeverityCode	read-write	Defines the severity associated to the defAisConditionAlarm and enables/disables the trap generation on status change event.
ALA mepLckConditionAlarmsSeverityCode	1.3.6.1.4.1.3373.1103.94.16	AlarmSeverityCode	read-write	Defines the severity associated to the defLckConditionAlarm and enables/disables the trap generation on status change event.

RFC description

SIAE Ethernet Connectivity Fault Management alarm extension MIB for 802.1ag MEP and Y.1731 performance monitoring.

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Download SIAE-ECFM-EXT-MIB

What Is SIAE-ECFM-EXT-MIB?

Supported Devices

Monitoring Examples

What Can Be Monitored

This MIB depends on

Related MIBs

RFC description