Monitor and troubleshoot
Documents under this category describe tools that can help you monitor, diagnose, and troubleshoot SR Linux software. This section also includes Log Event documentation to help you interpret log messages generated by SR Linux software.
- Event Handler Guide
  This document describes the functionality and configuration for the event handler framework on the Nokia Service Router Linux (SR Linux).
- Log Events Guide
  This document provides guidance for operators to interpret log events for the Nokia Service Router Linux (SR Linux).
- OAM and Diagnostics Guide
- Troubleshooting Toolkit
  This document describes how to use and configure diagnostic tools for the Nokia Service Router Linux (SR Linux).

ethcfm

ClearErrorCcm

Table 1. ClearErrorCcm properties
Property name	Value
Application name	ethcfm
Event name	ClearErrorCcm
Default severity	notice
Message format string	ETHCFM: The condition of ERROR-CCM on MEP domain-id/association-id/mep-id was cleared.
Cause	This notification is generated when a MEP receives a CCM frame with correct MEG level, correct MEG ID, correct MEP ID, correct period.
Effect	The MEP has cleared a defect.
Raising event	N/A
Clearing event	N/A

ClearLOC

Table 2. ClearLOC properties
Property name	Value
Application name	ethcfm
Event name	ClearLOC
Default severity	notice
Message format string	ETHCFM: The condition of loss of continuity (LOC) on MEP domain-id/association-id/mep-id was cleared.
Cause	This notification is generated when a MEP receives CCM frames from a peer MEP during an interval equal to 3.5 times the CCM transmission period.
Effect	The MEP has cleared a defect.
Raising event	N/A
Clearing event	N/A

ClearMacStatus

Table 3. ClearMacStatus properties
Property name	Value
Application name	ethcfm
Event name	ClearMacStatus
Default severity	notice
Message format string	ETHCFM: The condition of MAC-STATUS on MEP domain-id/association-id/mep-id was cleared.
Cause	This notification is generated when a MEP receives CCM frames from a peer MEP during an interval equal to 3.5 times the CCM transmission period.
Effect	The MEP has cleared a defect.
Raising event	N/A
Clearing event	N/A

ClearMMG

Table 4. ClearMMG properties
Property name	Value
Application name	ethcfm
Event name	ClearMMG
Default severity	notice
Message format string	ETHCFM: The condition of mismerge (MMG) on MEP domain-id/association-id/mep-id was cleared.
Cause	This notification is generated when a MEP receives a CCM frame with correct MEG level, correct MEG ID.
Effect	The MEP has cleared a defect.
Raising event	N/A
Clearing event	N/A

ClearRDI

Table 5. ClearRDI properties
Property name	Value
Application name	ethcfm
Event name	ClearRDI
Default severity	notice
Message format string	ETHCFM: The remote defect indication (RDI) condition on MEP domain-id/association-id/mep-id was cleared.
Cause	This notification is generated when a MEP receives a CCM frame with the RDI field clear.
Effect	The MEP has cleared a defect.
Raising event	N/A
Clearing event	N/A

ClearRemoteCcm

Table 6. ClearRemoteCcm properties
Property name	Value
Application name	ethcfm
Event name	ClearRemoteCcm
Default severity	notice
Message format string	ETHCFM: The condition of REMOTE-CCM on MEP domain-id/association-id/mep-id was cleared.
Cause	This notification is generated when a MEP receives CCM frames from a peer MEP during an interval equal to 3.5 times the CCM transmission period.
Effect	The MEP has cleared a defect.
Raising event	N/A
Clearing event	N/A

ClearRemoteDefectIndication

Table 7. ClearRemoteDefectIndication properties
Property name	Value
Application name	ethcfm
Event name	ClearRemoteDefectIndication
Default severity	notice
Message format string	ETHCFM: The remote defect indication (RDI) condition on MEP domain-id/association-id/mep-id was cleared.
Cause	This notification is generated when a MEP receives a CCM frame with the RDI field clear.
Effect	The MEP has cleared a defect.
Raising event	N/A
Clearing event	N/A

clearTwoWaySlmAvgflrTCA

Table 8. clearTwoWaySlmAvgflrTCA properties
Property name	Value
Application name	ethcfm
Event name	clearTwoWaySlmAvgflrTCA
Default severity	notice
Message format string	ETHCFM: A TCA is cleared for average flr of two-way synthetic loss measurement PM test ' domain-id/association-id/mep-id/session-id/mi-type/direction'.
Cause	This notification is generated when the average flr of a two-way synthetic loss measurement has fallen below the clear-threshold.
Effect	The alarm is cleared.
Raising event	N/A
Clearing event	N/A

clearTwoWaySlmHliTCA

Table 9. clearTwoWaySlmHliTCA properties
Property name	Value
Application name	ethcfm
Event name	clearTwoWaySlmHliTCA
Default severity	notice
Message format string	ETHCFM: A TCA is cleared for high loss of two-way synthetic loss measurement PM test ' domain-id/association-id/mep-id/session-id/mi-type/direction'.
Cause	This notification is generated when the high loss interval of a two-way synthetic loss measurement has fallen below the clear-threshold.
Effect	The alarm is cleared.
Raising event	N/A
Clearing event	N/A

clearTwoWaySlmUnavailTCA

Table 10. clearTwoWaySlmUnavailTCA properties
Property name	Value
Application name	ethcfm
Event name	clearTwoWaySlmUnavailTCA
Default severity	notice
Message format string	ETHCFM: A TCA is cleared for unavailability of two-way synthetic loss measurement PM test ' domain-id/association-id/mep-id/session-id/mi-type/direction'.
Cause	This notification is generated when the unavailability intervals of a two-way synthetic loss measurement has fallen below the clear-threshold.
Effect	The alarm is cleared.
Raising event	N/A
Clearing event	N/A

ClearUNL

Table 11. ClearUNL properties
Property name	Value
Application name	ethcfm
Event name	ClearUNL
Default severity	notice
Message format string	ETHCFM: The condition of unexpected MEG level (UNL) on MEP domain-id/association-id/mep-id was cleared.
Cause	This notification is generated when a MEP receives a CCM frame with correct MEG level.
Effect	The MEP has cleared a defect.
Raising event	N/A
Clearing event	N/A

ClearUNM

Table 12. ClearUNM properties
Property name	Value
Application name	ethcfm
Event name	ClearUNM
Default severity	notice
Message format string	ETHCFM: The condition of unexpected MEP (UNM) on MEP domain-id/association-id/mep-id was cleared.
Cause	This notification is generated when a MEP receives a CCM frame with correct MEG level, correct MEG ID, correct MEP ID.
Effect	The MEP has cleared a defect.
Raising event	N/A
Clearing event	N/A

ClearUNP

Table 13. ClearUNP properties
Property name	Value
Application name	ethcfm
Event name	ClearUNP
Default severity	notice
Message format string	ETHCFM: The condition of unexpected period (UNP) on MEP domain-id/association-id/mep-id was cleared.
Cause	This notification is generated when a MEP receives a CCM frame with correct MEG level, correct MEG ID, correct MEP ID, correct period.
Effect	The MEP has cleared a defect.
Raising event	N/A
Clearing event	N/A

ClearXconCcm

Table 14. ClearXconCcm properties
Property name	Value
Application name	ethcfm
Event name	ClearXconCcm
Default severity	notice
Message format string	ETHCFM: The condition of XCON-CCM on MEP domain-id/association-id/mep-id was cleared.
Cause	This notification is generated when a MEP receives a CCM frame with correct MEG level.
Effect	The MEP has cleared a defect.
Raising event	N/A
Clearing event	N/A

linktraceCompleted

Table 15. linktraceCompleted properties
Property name	Value
Application name	ethcfm
Event name	linktraceCompleted
Default severity	notice
Message format string	ETHCFM: A linktrace test from MEP domain-id/association-id/ mep-id to the destination address target has completed.
Cause	This notification is generated when an on-demand linktrace test was successfully completed.
Effect	The test result is stored in the MEP object.
Raising event	N/A
Clearing event	N/A

loopbackCompleted

Table 16. loopbackCompleted properties
Property name	Value
Application name	ethcfm
Event name	loopbackCompleted
Default severity	notice
Message format string	ETHCFM: A loopback test from MEP domain-id/association-id/mep-id to the destination address target has completed.
Cause	This notification is generated when an on-demand loopback test was successfully completed.
Effect	The test result is stored in the MEP object.
Raising event	N/A
Clearing event	N/A

RaiseErrorCcm

Table 17. RaiseErrorCcm properties
Property name	Value
Application name	ethcfm
Event name	RaiseErrorCcm
Default severity	warning
Message format string	ETHCFM: MEP domain-id/association-id/mep-id has a condition of ERROR-CCM.
Cause	This notification is generated when a MEP receives a CCM frame with correct MEG level, correct MEG ID, correct MEP ID, but with a period field value different than its own CCM transmission period.
Effect	The MEP has a defect.
Raising event	N/A
Clearing event	N/A

RaiseLOC

Table 18. RaiseLOC properties
Property name	Value
Application name	ethcfm
Event name	RaiseLOC
Default severity	warning
Message format string	ETHCFM: MEP domain-id/association-id/mep-id has a condition of loss of continuity (LOC).
Cause	This notification is generated when a MEP receives no CCM frames from a peer MEP during an interval equal to 3.5 times the CCM transmission period.
Effect	The MEP has a defect.
Raising event	N/A
Clearing event	N/A

RaiseMacStatus

Table 19. RaiseMacStatus properties
Property name	Value
Application name	ethcfm
Event name	RaiseMacStatus
Default severity	warning
Message format string	ETHCFM: MEP domain-id/association-id/mep-id has a condition of MAC-STATUS.
Cause	This notification is generated when a MEP receives no CCM frames from a peer MEP during an interval equal to 3.5 times the CCM transmission period.
Effect	The MEP has a defect.
Raising event	N/A
Clearing event	N/A

RaiseMMG

Table 20. RaiseMMG properties
Property name	Value
Application name	ethcfm
Event name	RaiseMMG
Default severity	warning
Message format string	ETHCFM: MEP domain-id/association-id/mep-id has a condition of mismerge (MMG).
Cause	This notification is generated when a MEP receives a CCM frame with correct MEG level but incorrect MEG ID.
Effect	The MEP has a defect.
Raising event	N/A
Clearing event	N/A

RaiseRDI

Table 21. RaiseRDI properties
Property name	Value
Application name	ethcfm
Event name	RaiseRDI
Default severity	warning
Message format string	ETHCFM: MEP domain-id/association-id/mep-id has a condition of remote defect indication (RDI).
Cause	This notification is generated when a MEP receives a CCM frame with the RDI field set.
Effect	The MEP has a defect.
Raising event	N/A
Clearing event	N/A

RaiseRemoteCcm

Table 22. RaiseRemoteCcm properties
Property name	Value
Application name	ethcfm
Event name	RaiseRemoteCcm
Default severity	warning
Message format string	ETHCFM: MEP domain-id/association-id/mep-id has a condition of REMOTE-CCM.
Cause	This notification is generated when a MEP receives no CCM frames from a peer MEP during an interval equal to 3.5 times the CCM transmission period.
Effect	The MEP has a defect.
Raising event	N/A
Clearing event	N/A

RaiseRemoteDefectIndication

Table 23. RaiseRemoteDefectIndication properties
Property name	Value
Application name	ethcfm
Event name	RaiseRemoteDefectIndication
Default severity	warning
Message format string	ETHCFM: MEP domain-id/association-id/mep-id has a condition of remote defect indication (RDI).
Cause	This notification is generated when a MEP receives a CCM frame with the RDI field set.
Effect	The MEP has a defect.
Raising event	N/A
Clearing event	N/A

raiseTwoWaySlmAvgflrTCA

Table 24. raiseTwoWaySlmAvgflrTCA properties
Property name	Value
Application name	ethcfm
Event name	raiseTwoWaySlmAvgflrTCA
Default severity	warning
Message format string	ETHCFM: A TCA is raised for average flr of two-way synthetic loss measurement PM test ' domain-id/association-id/mep-id/session-id/mi-type/direction'.
Cause	This notification is generated when the average flr of a two-way synthetic loss measurement has reached or exceeded the raise-threshold.
Effect	An alarm is raised.
Raising event	N/A
Clearing event	N/A

raiseTwoWaySlmHliTCA

Table 25. raiseTwoWaySlmHliTCA properties
Property name	Value
Application name	ethcfm
Event name	raiseTwoWaySlmHliTCA
Default severity	warning
Message format string	ETHCFM: A TCA is raised for high loss of two-way synthetic loss measurement PM test ' domain-id/association-id/mep-id/session-id/mi-type/direction'.
Cause	This notification is generated when the high loss intervals of a two-way synthetic loss measurement has reached or exceeded the raise-threshold.
Effect	An alarm is raised.
Raising event	N/A
Clearing event	N/A

raiseTwoWaySlmUnavailTCA

Table 26. raiseTwoWaySlmUnavailTCA properties
Property name	Value
Application name	ethcfm
Event name	raiseTwoWaySlmUnavailTCA
Default severity	warning
Message format string	ETHCFM: A TCA is raised for unavailability of two-way synthetic loss measurement PM test ' domain-id/association-id/mep-id/session-id/mi-type/direction'.
Cause	This notification is generated when the unavailability intervals of a two-way synthetic loss measurement has reached or exceeded the raise-threshold.
Effect	An alarm is raised.
Raising event	N/A
Clearing event	N/A

RaiseUNL

Table 27. RaiseUNL properties
Property name	Value
Application name	ethcfm
Event name	RaiseUNL
Default severity	warning
Message format string	ETHCFM: MEP domain-id/association-id/mep-id has a condition of unexpected MEG level (UNL).
Cause	This notification is generated when a MEP receives a CCM frame with incorrect MEG level.
Effect	The MEP has a defect.
Raising event	N/A
Clearing event	N/A

RaiseUNM

Table 28. RaiseUNM properties
Property name	Value
Application name	ethcfm
Event name	RaiseUNM
Default severity	warning
Message format string	ETHCFM: MEP domain-id/association-id/mep-id has a condition of unexpected MEP (UNM).
Cause	This notification is generated when a MEP receives a CCM frame with correct MEG level, correct MEG ID but with unexpected MEP ID.
Effect	The MEP has a defect.
Raising event	N/A
Clearing event	N/A

RaiseUNP

Table 29. RaiseUNP properties
Property name	Value
Application name	ethcfm
Event name	RaiseUNP
Default severity	warning
Message format string	ETHCFM: MEP domain-id/association-id/mep-id has a condition of unexpected period (UNP).
Cause	This notification is generated when a MEP receives a CCM frame with correct MEG level, correct MEG ID, correct MEP ID, but with a period field value different than its own CCM transmission period.
Effect	The MEP has a defect.
Raising event	N/A
Clearing event	N/A

RaiseXconCcm

Table 30. RaiseXconCcm properties
Property name	Value
Application name	ethcfm
Event name	RaiseXconCcm
Default severity	warning
Message format string	ETHCFM: MEP domain-id/association-id/mep-id has a condition of XCON-CCM.
Cause	This notification is generated when a MEP receives a CCM frame with incorrect MEG level.
Effect	The MEP has a defect.
Raising event	N/A
Clearing event	N/A

singleEndedDmmCompleted

Table 31. singleEndedDmmCompleted properties
Property name	Value
Application name	ethcfm
Event name	singleEndedDmmCompleted
Default severity	notice
Message format string	ETHCFM: A single-ended delay measurement test (test-id) from MEP domain-id/association-id/mep-id to the destination address target has completed.
Cause	This notification is generated when an on-demand single-ended delay measurement test was successfully completed.
Effect	The test result is stored in the MEP object.
Raising event	N/A
Clearing event	N/A

singleEndedSlmCompleted

Table 32. singleEndedSlmCompleted properties
Property name	Value
Application name	ethcfm
Event name	singleEndedSlmCompleted
Default severity	notice
Message format string	ETHCFM: A single-ended synthetic loss measurement test ( test-id) from MEP domain-id/association-id/mep-id to the destination address target has completed.
Cause	This notification is generated when an on-demand single-ended synthetic loss measurement test was successfully completed.
Effect	The test result is stored in the MEP object.
Raising event	N/A
Clearing event	N/A

TwoWaySlmAvailabilityState

Table 33. TwoWaySlmAvailabilityState properties
Property name	Value
Application name	ethcfm
Event name	TwoWaySlmAvailabilityState
Default severity	notice
Message format string	ETHCFM: The availability state has transited to 'availability' in two-way synthetic loss measurement PM test ' domain-id/association-id/mep-id/session-id/mi-type/direction' at 'transition-time'.
Cause	This notification is generated when the availability of a two-way synthetic loss measurement has transited from Available to Unavailable or vice versa.
Effect	The notice is sent.
Raising event	N/A
Clearing event	N/A

July 16, 2026