LTE Procedure Alerts
The following table lists LTE procedure alerts.
Alert Rule |
Severity |
Duration (in mins) |
Type |
---|---|---|---|
attach_success_rate |
Major |
15 |
Communication Alarm |
Expression: sum(rate(sgw_service_stats {sgw_procedure_type=\"initial_attach\", status=\"success\"}[5m])) by (namespace)/sum(rate(sgw_service_stats {sgw_procedure_type=\"initial_attach\",status=\"attempted\"} [5m])) by (namespace) < 0.90 Description: This alert is triggered when attach success rate is less than 90%. |
|||
detach_success_rate |
Major |
15 |
Communication Alarm |
Expression: sum(rate(sgw_service_stats{interface= \"interface_sgw_ingress\",sgw_procedure_type=\"delete_session_request\", status=\"success\"}[5m])) by (namespace) / sum(rate(sgw_service_stats{interface=\"interface_sgw_ingress\", sgw_procedure_type=\"delete_session_request\",status= \"attempted\"}[5m])) by (namespace) < 0.90 Description: This alert is triggered when detach success rate is less than 90%. |
|||
bearer_creation_ success_rate |
Major |
15 |
Communication Alarm |
Expression: sum(rate(sgw_service_stats{interface= \"interface_sgw_ingress\",sgw_procedure_type=\"create_bearer\", status=\"success\"}[5m])) by (namespace) / sum(rate(sgw_service_stats{interface=\"interface_sgw_ingress\", sgw_procedure_type=\"create_bearer\",status=\"attempted\"} [5m])) by (namespace) < 0.90 Description: This alert is triggered when bearer creation rate is less than 90%. |
|||
bearer_deletion_ success_rate |
Major |
15 |
Communication Alarm |
Expression: sum(rate(sgw_service_stats{interface= \"interface_sgw_ingress\",sgw_procedure_type= \"pgw_initiated_dedicated_bearer_deletion\",status= \"success\"}[5m])) by (namespace) / sum(rate(sgw_service_stats{interface=\"interface_sgw_ingress\", sgw_procedure_type=\"pgw_initiated_dedicated_bearer_deletion\", status=\"attempted\"}[5m])) by (namespace) < 0.90 Description: This alert is triggered when bearer deletion success rate is less than 90%. |
|||
bearer_modification_ success_rate |
Major |
15 |
Communication Alarm |
Expression: sum(rate(sgw_service_stats{interface= \"interface_sgw_ingress\",sgw_procedure_type=\"update_bearer\", status=\"success\"}[5m])) by (namespace) / sum(rate(sgw_service_stats{interface=\"interface_sgw_ingress\", sgw_procedure_type=\"update_bearer\",status=\"attempted\"} [5m])) by (namespace) < 0.90 Description: This alert is triggered when bearer modification success rate is less than 90%. |
|||
ddn_failure_rate |
Major |
15 |
Communication Alarm |
Expression: sum(rate(sgw_service_stats {fail_reason!='null',interface=\"interface_sgw_ingress\", sub_fail_reason!='null',service_name=\"sgw-service\", sgw_procedure_type=\"downlink_data_notification\",status= \"failure\"}[5m])) by (sub_fail_reason,fail_reason,namespace) > 0.10 Description: This alert is triggered when DDN failure rate is greater than 10%. |