Failure/Rejection/Retransmission KPIs

The following table lists Failure/Rejection/Retransmission KPIs.

Failure/Rejection/Retransmission KPIs

KPI Name

Description

Expression

UE Disconnect Reasons

UE disconnection reasons.

sum(sgw_ue_disconnect_stats

{reason!='null'}) by (reason,

namespace)

PDN Failure Rate

Total attach attempted – Total attach success/Total attach attempted

sum(sgw_service_stats{interface=

\"interface_sgw_egress\",

sgw_procedure_type=

\"initial_attach\",

status=\"attempted\"}

by (namespace))-um(sgw_service_stats

{interface=\"interface_sgw_egress\",

sgw_procedure_type=\"initial_attach\",

status=\"success\"} by

(namespace))/sum(sgw_service_stats

{interface=\"interface_sgw_egress\",

sgw_procedure_type=\"initial_attach\",

status=\"attempted\"} by

(namespace))

PDN Disconnect Reason

PDN disconnection reason

sum(sgw_pdn_disconnect_stats

{reason!='null'}) by

(reason,namespace)

GTPC Path Failure

GTPC path failure

sum(rate(sgw_ue_disconnect_stats

{reason=~'s11_path_failure|

s5e_path-failure|

s11_path_failure_local_purge|

s5e_ path_failure_local_purge|

s5e_recovery|s11_recovery|

s5e_recovery_local_purge|

s11_recovery_local_purge'}

[5m])) by (namespace)

Intra EUTRAN Handover Failure Rate

(S1 HO SGW Relocation Success + TAU HO SGW Relocation + X2 HO SGW Relocation + Inter/Intra MME HO failure) / S1 HO SGW Relocation Attempted + TAU HO SGW Relocation Attempted + TAU HO SGW Relocation Attempted + Inter/Intra MME HO Attempted)

sum(rate(sgw_service_stats

{sgw_procedure_type=~

's1_sgw_relocation_attach|

x2_sgw_relocation_attach|

inter_mme_handover|

intra_mme_handover’,status=

\"rejected\"}

[5m])) by (sgw_procedure_type,namespace)/

sum(rate(sgw_service_stats

{sgw_procedure_type=~

's1_sgw_relocation_attach|

x2_sgw_relocation_attach|

inter_mme_handover|

intra_mme_handover,

status=\"attempted\"}[5m]))

by (sgw_procedure_type,

namespace)

Inter System Handover Failure Rate

(WiFi HO Failure + GnGp HO Failure) / (WiFi HO Attempted + GnGp HO Attempted)

sum(rate(sgw_service_stats

{sgw_procedure_type=~’

inter_system_handover_attach|

x2_gngp_to_lte_relocation_attach|

s1_gngp_to_lte_relocation_attach',

status=\"success\"}[5m])) by

(sgw_procedure_type,namespace)/

sum(rate(sgw_service_stats

{sgw_procedure_type=~’

inter_system_handover_attach|

x2_gngp_to_lte_relocation_attach|

s1_gngp_to_lte_relocation_attach',

status=\"attempted\"}[5m])) by

(sgw_procedure_type,namespace)