w the protocol the service port is serving, renaming the port with <code>&lt;protocol>[-&lt;suffix>]</code> format;</li><li>If you don&rsquo;t know the protocol the service port is serving, you need to <a href=/v1.13/docs/tasks/observability/metrics/querying-metrics/>query metrics from Prometheus</a><ul><li>Running query <code>istio_requests_total{reporter="destination",destination_service_name="SERVICE_NAME",response_code="200"}[TIME_RANGE]</code>. If you are using Mixer v2,
you can also run query <code>is