5.2.13.9 IngressRssRateLimitMessageDropAbove50Percent

Table 5-72 IngressRssRateLimitMessageDropAbove50Percent

Field Details
Trigger Condition If a request has to be dropped when all the tokens in the bucket are exhausted and drop rate is detected above 50 percent of total transactions, this metric will be pegged andcorresponding alert will be raised.
Severity Critical
Alert Details Provided

Summary:

Ingress RSS Based Rate Limiting Message Drop Rate detected above 50 Percent of Total Transactions.
Expression:
sum(rate(oc_ingressgateway_rss_ratelimit_total{namespace="sepp-namespace",Status="dropped"}[5m])) by (namespace,app)/sum(rate(oc_ingressgateway_rss_ratelimit_total{namespace="sepp-namespace"}[5m])) by (namespace,app) *100 >= 50
OID 1.3.6.1.4.1.323.5.3.46.1.2.7019
Metric Name oc_ingressgateway_rss_ratelimit_total
Resolution The alerts gets cleared when the drop rate is detected below 50 percent of total transactions.

Possible resolutions:

  1. In the CNC Console GUI, navigate to SEPP and then click Rate limiting and then Ingress Rate Limiting. The Remote SEPP Set appears underneath, click Remote SEPP Set, the Options appears. Check the header configured in Originating Network ID Header parameter.
  2. For all configuration related and additional information, refer 'Rate Limiting for Ingress Roaming Signaling per Remote SEPP Set Feature' section in the Oracle Communications Cloud Native Core, Security Edge Protection Proxy Troubleshooting Guide.