5.2.17.3 Egress Request Rate Limit per PLMN Message Drop Above 50 Percent Alert

Table 5-68 Egress Request Rate Limit per PLMN Message Drop Above 50 Percent Alert

Trigger Condition If a request is dropped due to the tokens in the bucket are exhausted and the drop rate per PLMN is detected above 50 percent of total transactions of that PLMN, oc_ingressgateway_plmn_egress_ratelimit_total metric will be pegged and corresponding alert will be raised.
Severity Critical
Alert Details Provided

Summary

Egress Rate Limiting Request Drop Rate detected per PLMN above 50 Percent of Total Transactions

Expression

sum(rate(oc_ingressgateway_plmn_egress_ratelimit_total{Status="ERL_MATCH_NO_TOKEN_LOW_PRI_REJECT"}[5m])) by (EgressRateLimitList,PLMN_ID,namespace)/sum(rate(oc_ingressgateway_plmn_egress_ratelimit_total[5m])) by (EgressRateLimitList,PLMN_ID,namespace) *100 >= 50
OID 1.3.6.1.4.1.323.5.3.46.1.2.4041
Metric Name oc_ingressgateway_plmn_egress_ratelimit_total
Resolution The alerts gets cleared when the count goes down.