Appendix A: Supported alarms

Equipment alarms

Among equipment alarms, there are several groups of transceiver-related environment alarms with escalating thresholds:

  • low warning: a Warning alarm indicating that a minor low threshold has been crossed.
  • low alarm: a Critical alarm indicating that a major low threshold has been crossed.
  • high warning: a Warning alarm indicating that a minor high threshold has been crossed.
  • high alarm: a Critical alarm indicating that a major high threshold has been crossed.
Table 1. 1001 Fan Tray Fault
Alarm ID: 1001
Alarm name: Fan Tray Fault
Description: This alarm is raised when the associated fan-tray is in down/empty/failed/degraded/low-power operational state. The system may have cooling issues.
Severity: Major
Probable cause: Equipment malfunction
Remedial action: The failed fan unit should be replaced.
Table 2. 1003 Power Supply Fault
Alarm ID: 1003
Alarm name: Power Supply Fault
Description: The alarm is raised when the associated power supply is not operationally Up. The specified power supply can no longer supply power to the system.
Severity: Critical
Probable cause: Power problem
Remedial action: Check the status of the power supply.
Table 3. 1004 Chassis Fault
Alarm ID: 1004
Alarm name: Chassis Fault
Description: The alarm is raised when chassis is operationally down.
Severity: Critical
Probable cause: Equipment malfunction
Remedial action: Chassis Down
Table 4. 1005 CPM Fault
Alarm ID: 1005
Alarm name: CPM Fault
Description: This alarm is generated when the control module is in an operationally down/empty/failed/degraded/low-power state.
Severity: Critical
Probable cause: Equipment malfunction
Remedial action: Remove the card and reset it. If this does not clear the alarm then please contact your Nokia support representative for assistance.
Table 5. 1006 SFM Fault
Alarm ID: 1006
Alarm name: SFM Fault
Description: The alarm is raised when the associated SFM module is in operationally down/empty/failed/degraded/low-power state. Traffic could be impacted.
Severity: Critical
Probable cause: Equipment malfunction
Remedial action: The active CPM is at risk of failing to initialize after node reboot because it cannot access the SFM. Contact Nokia customer support.
Table 6. 1007 Line Card Fault
Alarm ID: 1007
Alarm name: Line Card Fault
Description: The alarm is raised when the specified line card is in an operationally down/empty/failed/degraded/low-power state. Traffic is no longer being transmitted from this line card.
Severity: Major
Probable cause: Equipment malfunction
Remedial action: Ensure that the line card is operationally up. Line card may need to be replaced.
Table 7. 1008 Interface Transceiver Down
Alarm ID: 1008
Alarm name: Interface Transceiver Down
Description: The alarm is raised when a transceiver goes into the operational Down state as a result of one of the following possible failures:
  • read
  • checksum
  • unknown
  • tx-laser
  • connector
Severity: Critical
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Ensure that the transceiver is in good operating condition and is compatible with the associated interface. The transceiver may need to be replaced.
Table 8. 1009 Transceiver Channel High Input Power Warning
Alarm ID: 1009
Alarm name: Transceiver Channel High Input Power Warning
Description: The alarm is raised when a transceiver's input power exceeds the configured Warning threshold for high input power.
Severity: Warning
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 9. 1010 Transceiver Channel High Input Power Alarm
Alarm ID: 1010
Alarm name: Transceiver Channel High Input Power Alarm
Description: The alarm is raised when a transceiver's input power exceeds the configured Alarm threshold for high input power.
Severity: Critical
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 10. 1011 Transceiver Channel Low Input Power Warning
Alarm ID: 1011
Alarm name: Transceiver Channel Low Input Power Warning
Description: The alarm is raised when a transceiver's input power is below the configured Warning threshold for low input power.
Severity: Warning
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 11. 1012 Transceiver Channel Low Input Power Alarm
Alarm ID: 1012
Alarm name: Transceiver Channel Low Input Power Alarm
Description: The alarm is raised when a transceiver's input power is below the configured Alarm threshold for low input power.
Severity: Critical
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 12. 1013 Transceiver Channel High Laser Bias Current Alarm
Alarm ID: 1013
Alarm name: Transceiver Channel High Laser Bias Current Alarm
Description: The alarm is raised when a transceiver's high laser bias current exceeds the configured Alarm threshold.
Severity: Critical
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 13. 1014 Transceiver Channel High Laser Bias Current Warning
Alarm ID: 1014
Alarm name: Transceiver Channel High Laser Bias Current Warning
Description: The alarm is raised when a transceiver's high laser bias current exceeds the configured Warning threshold.
Severity: Warning
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 14. 1015 Transceiver Channel High Output Power Warning
Alarm ID: 1015
Alarm name: Transceiver Channel High Output Power Warning
Description: The alarm is raised when a transceiver's output power exceeds the configured Warning threshold for high output power.
Severity: Warning
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 15. 1016 Transceiver Channel High Output Power Alarm
Alarm ID: 1016
Alarm name: Transceiver Channel High Output Power Alarm
Description: The alarm is raised when a transceiver's output power exceeds the configured Alarm threshold for high output power.
Severity: Critical
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 16. 1017 Transceiver Channel Low Output Power Warning
Alarm ID: 1017
Alarm name: Transceiver Channel Low Output Power Warning
Description: The alarm is raised when a transceiver's output is below the configured Warning threshold for low output power.
Severity: Warning
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 17. 1018 Transceiver Channel Low Output Power Alarm
Alarm ID: 1018
Alarm name: Transceiver Channel Low Output Power Alarm
Description: The alarm is raised when a transceiver's output power is below configured Alarm threshold for low output power.
Severity: Critical
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 18. 1019 Transceiver Channel Low Laser Bias Current Alarm
Alarm ID: 1019
Alarm name: Transceiver Channel Low Laser Bias Current Alarm
Description: The alarm is raised when a transceiver's low laser bias current is below the configured Alarm threshold.
Severity: Critical
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 19. 1020 Transceiver Channel Low Laser Bias Current Warning
Alarm ID: 1020
Alarm name: Transceiver Channel Low Laser Bias Current Warning
Description: The alarm is raised when a transceiver's low laser bias current is below the configured Warning threshold.
Severity: Warning
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 20. 1021 Transceiver Low Laser Bias Current Warning
Alarm ID: 1021
Alarm name: Transceiver Low Laser Bias Current Warning
Description: The alarm is raised when a transceiver's laser bias current is below the configured Warning threshold.
Severity: Warning
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 21. 1022 Transceiver Low Laser Bias Current Alarm
Alarm ID: 1022
Alarm name: Transceiver Low Laser Bias Current Alarm
Description: The alarm is raised when a transceiver's laser bias current is below the configured Alarm threshold.
Severity: Warning
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 22. 1023 Transceiver High Laser Bias Current Warning
Alarm ID: 1023
Alarm name: Transceiver High Laser Bias Current Warning
Description: The alarm is raised when a transceiver's laser bias current is above the configured Warning threshold.
Severity: Warning
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 23. 1024 Transceiver High Laser Bias Current Alarm
Alarm ID: 1024
Alarm name: Transceiver High Laser Bias Current Alarm
Description: The alarm is raised when a transceiver's laser bias current is above the configured Alarm threshold.
Severity: Critical
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 24. 1025 Transceiver High Input Power Alarm
Alarm ID: 1025
Alarm name: Transceiver High Input Power Alarm
Description: The alarm is raised when a transceiver's input power is above the configured Alarm threshold.
Severity: Critical
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 25. 1026 Transceiver High Input Power Warning
Alarm ID: 1026
Alarm name: Transceiver High Input Power Warning
Description: The alarm is raised when a transceiver's input power is above the configured Warning threshold.
Severity: Warning
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 26. 1027 Transceiver Low Input Power Warning
Alarm ID: 1027
Alarm name: Transceiver Low Input Power Warning
Description: The alarm is raised when a transceiver's input power is below the configured Warning threshold.
Severity: Warning
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 27. 1028 Transceiver Low Input Power Alarm
Alarm ID: 1028
Alarm name: Transceiver Low Input Power Alarm
Description: The alarm is raised when a transceiver's input power is below the configured Critical threshold.
Severity: Critical
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 28. 1029 Transceiver High Output Power Alarm
Alarm ID: 1029
Alarm name: Transceiver High Output Power Alarm
Description: The alarm is raised when a transceiver's output power above the configured Alarm threshold.
Severity: Critical
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 29. 1030 Transceiver High Output Power Warning
Alarm ID: 1030
Alarm name: Transceiver High Output Power Warning
Description: The alarm is raised when a transceiver's output power is above the configured Warning threshold.
Severity: Warning
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 30. 1031 Transceiver Low Output Power Warning
Alarm ID: 1031
Alarm name: Transceiver Low Output Power Warning
Description: The alarm is raised when a transceiver's output power is below the configured Warning threshold.
Severity: Warning
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 31. 1032 Transceiver Low Output Power Alarm
Alarm ID: 1032
Alarm name: Transceiver Low Output Power Alarm
Description: The alarm is raised when a transceiver's output power is below the configured Critical threshold.
Severity: Critical
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 32. 1033 Transceiver High Voltage Alarm
Alarm ID: 1033
Alarm name: Transceiver High Voltage Alarm
Description: The alarm is raised when a transceiver's voltage is above the configured Alarm threshold.
Severity: Critical
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 33. 1034 Transceiver High Voltage Warning
Alarm ID: 1034
Alarm name: Transceiver High Voltage Warning
Description: The alarm is raised when a transceiver's voltage is above the configured Warning threshold.
Severity: Warning
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 34. 1035 Transceiver Low Voltage Warning
Alarm ID: 1035
Alarm name: Transceiver Low Voltage Warning
Description: The alarm is raised when a transceiver's voltage is below the configured Warning threshold.
Severity: Warning
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 35. 1036 Transceiver Low Voltage Alarm
Alarm ID: 1036
Alarm name: Transceiver Low Voltage Alarm
Description: The alarm is raised when a transceiver's voltage is below the configured Critical threshold.
Severity: Critical
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link.
Table 36. 1037 Transceiver High Temperature Alarm
Alarm ID: 1037
Alarm name: Transceiver High Temperature Alarm
Description: The alarm is raised when a transceiver's temperature rises above the configured Alarm threshold.
Severity: Critical
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that the correct cables and transceivers are used on both ends of the link. Additionally, verify that fans are operating correctly.
Table 37. 1038 Transceiver High Temperature Warning
Alarm ID: 1038
Alarm name: Transceiver High Temperature Warning
Description: The alarm is raised when a transceiver's temperature is above the configured Warning threshold.
Severity: Warning
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that the correct cables and transceivers are used on both ends of the link. Additionally, verify that fans are operating correctly.
Table 38. 1039 Transceiver Low Temperature Warning
Alarm ID: 1039
Alarm name: Transceiver Low Temperature Warning
Description: The alarm is raised when a transceiver's temperature is below the configured Warning threshold.
Severity: Warning
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that correct cables and transceivers are used on both ends of the link. Additionally, verify fans are operating correctly.
Table 39. 1040 Transceiver Low Temperature Alarm
Alarm ID: 1040
Alarm name: Transceiver Low Temperature Alarm
Description: The alarm is raised when a transceiver's temperature is below the configured Critical threshold.
Severity: Critical
Probable cause: DTE DCE TRANSCEIVER ERROR
Remedial action: Verify that the correct cables and transceivers are used on both ends of the link. Additionally, verify that fans are operating correctly.

Communication alarms

Table 40. 4001 LLDP Adjacency Down
Alarm ID: 4001
Alarm name: LLDP Adjacency Down
Description: The alarm is raised when the Operational State of an LLDP adjacency is down. This is because the operational state of local interface is in a down state.
Severity: Major
Probable cause: DTE DCE Interface Error
Remedial action: The operational state of the interface must be up in order for the selected adjacency to be up.
Table 41. 4002 Interface Down
Alarm ID: 4002
Alarm name: Interface Down
Description: The alarm is raised when the operational state of interface is down.
Severity: Critical
Probable cause: DTE DCE Interface Error
Remedial action: The condition exists because the physical interface is down either because it is administratively disabled, faulty or a cabling fault has occurred. Ensure that the interface is administratively up.

Check for a poor cable connection to the port or for a faulty cable/fiber. If neither appears to be the problem run diagnostics on the port to determine if it is faulty.
Table 42. 4003 Subinterface Down
Alarm ID: 4003
Alarm name: Subinterface Down
Description: The alarm is raised when the operational state of subinterface is down.
Severity: Critical
Probable cause: DTE DCE Interface Error
Remedial action: The condition exists because the subinterface is down either because it is administratively disabled, faulty or a cabling fault has occurred. Ensure that the subinterface is administratively up.

Check for a poor cable connection to the port or for a faulty cable/fiber. If neither appears to be the problem run diagnostics on the port to determine if it is faulty.
Table 43. 4004 BGP Adjacency Down
Alarm ID: 4004
Alarm name: BGP Adjacency Down
Description: The alarm is raised when the BGP neighbor state transitions out of the Established state.
Severity: Critical
Probable cause: DTE DCE BGP Error
Remedial action: Verify reachability and BGP parameters match between BGP neighbors.
Table 44. 4005 BFD Session Down
Alarm ID: 4005
Alarm name: BFD Session Down
Description: The alarm is raised when the BFD session is operationally down.
Severity: Critical
Probable cause: DTE DCE BFD Error
Remedial action: Verify reachability between BFD neighbors.
Table 45. 4006 Network Instance Down
Alarm ID: 4006
Alarm name: Network Instance Down
Description: The alarm is raised when a network-instance is down.
Severity: Critical
Probable cause: DTE DCE NET INST DOWN
Remedial action: Verify the configuration of the network-instance.
Table 46. 4007 Interface LAG Member Down
Alarm ID: 4007
Alarm name: Interface LAG Member Down
Description: The alarm is raised when a member of a LAG goes into the operational down state.
Severity: Warning
Probable cause: DTE DCE INT LAG DOWN
Remedial action: The condition exists because the physical interface belonging to a LAG is down. The interface could be down because it is administratively disabled, faulty or a cabling fault has occurred.

Do the following:

  1. Ensure that the interface is administratively up.
  2. Check for a poor cable connection to the port or for a faulty cable/fiber.
  3. If neither appears to be the problem run diagnostics on the port to determine if it is faulty.

Operational alarms

Table 47. 5001 GNMI Connection Fault
Alarm ID: 5001
Alarm name: GNMI Connection Fault
Description: GNMI connection to the network element has been lost.
Severity: Major
Probable cause: DTE DCE Interface Error
Remedial action: Check network connectivity to restore GNMI connection.
Table 48. 5002 Memory Usage Warning
Alarm ID: 5002
Alarm name: Memory Usage Warning
Description: The alarm is raised when a device's memory utilization exceeds 75%.
Severity: Warning
Probable cause: SYSTEM WARNING
Remedial action: Check system process memory utilization.
Note: This alarm indicates that memory utilization exceeds 75%. This alarm persists even if the Major alarm for utilization greater than 95% is triggered.
Table 49. 5003 Memory Usage Major
Alarm ID: 5003
Alarm name: Memory Usage Major
Description: The alarm is raised when a device's memory utilization exceeds 95%.
Severity: Major
Probable cause: SYSTEM WARNING
Remedial action: Check system process memory utilization.
Note: This alarm indicates that memory utilization exceeds 95%. Its triggering does not affect the preceding Warning indicating 75% usage.
Table 50. 5004 AAA Server Down
Alarm ID: 5004
Alarm name: AAA Server Down
Description: The alarm is raised when a configured AAA server goes into the operationally down state.
Severity: Major
Probable cause: DTE DCE AAA DOWN
Remedial action: Verify the device configuration and the ability to reach the AAA server from the device.

Fabric Services System alarms

Table 51. 6001 Connect Fabric Services System Configuration Failed
Alarm ID: 6001
Alarm name: Connect Fabric Services System Configuration Failed
Description: The alarm is raised when changes on Plugin API cannot be configured on the Fabric Services System.
Severity: Critical
Probable cause: Configuration or customization error
Remedial action: The condition exists because Connect cannot provision the Fabric Services System with the intended configuration on its Plugin API. Sanitize the Fabric Services System to resolve this error and perform audit on Connect.
Table 52. 6002 Connect Fabric Services System Workload Intent Deploy Failed
Alarm ID: 6002
Alarm name: Connect Fabric Services System Workload Intent Deploy Failed
Description: The alarm is raised when generating configurations and deploying a workload intent is not possible.
Severity: Critical
Probable cause: Configuration or customization error
Remedial action: The condition exists because Connect cannot deploy the workload intent on the Fabric Services System. Please make sure the workload intent is in a deployable state and perform an audit on Connect.
Table 53. 6003 Connect Fabric Services System Authentication Failed
Alarm ID: 6003
Alarm name: Connect Fabric Services System Authentication Failed
Description: The alarm is raised when Connect cannot authenticate with the Fabric Services System.
Severity: Critical
Probable cause: Authentication failure
Remedial action: The condition exists because Connect cannot authenticate with the Fabric Services System. Make sure the Connect configuration is correct and perform an audit on Connect.
Table 54. 6004 Connect Plugin Heartbeat Lost
Alarm ID: 6005
Alarm name: Connect Plugin Heartbeat Lost
Description: The alarm is raised when Connect no longer detects heartbeat messages from one of its plugins.
Severity: Critical
Probable cause: CONNECT PLUGIN HEARTBEAT LOST
Remedial action: The condition exists because Connect cannot detect the presence of one of its plugins. Make sure the plugin is running and actively issuing heartbeat messages.
Table 55. 6005 Connect Plugin CMS Authentication Failure
Alarm ID: 6006
Alarm name: Connect Plugin CMS Authentication Failure
Description: The alarm is raised when a plugin fails to authenticate with the CMS for a given deployment.
Severity: Critical
Probable cause: CONNECT PLUGIN CMS AUTHENTICATION FAILURE
Remedial action: The condition exists because a plugin cannot authenticate with the CMS. Make sure the deployment configuration is correct.
Table 56. 6007 Connect Plugin Connect Out of Sync with CMS
Alarm ID: 6007
Alarm name: Connect Plugin Connect Out of Sync with CMS
Description: The alarm is raised when a plugin re-establishes communication with Connect, after having registered changes to its deployments during the period of connection loss.
Severity: Critical
Probable cause: CONNECT PLUGIN CONNECT OUT OF SYNC WITH CMS
Remedial action: The condition exists because the plugin lost connectivity with Connect for some time. Perform an audit if Connect is out of sync with the CMS.
Table 57. 6008 Connect Plugin CMS Connectivity Failure
Alarm ID: 6008
Alarm name: Connect Plugin CMS Connectivity Failure
Description: The alarm is raised when a plugin has lost communication with the CMS, or if there was no connectivity at all for a given deployment.
Severity: Critical
Probable cause: CONNECT PLUGIN CMS CONNECTIVITY FAILURE
Remedial action: The condition exists because plugin cannot connect to the CMS. Please make sure you have connectivity between the plugin and the CMS.