diff --git a/dataplane-globalpolicy-template/global-policies-plugins.yaml b/dataplane-globalpolicy-template/global-policies-plugins.yaml
index 1d99054..8c8253b 100644
--- a/dataplane-globalpolicy-template/global-policies-plugins.yaml
+++ b/dataplane-globalpolicy-template/global-policies-plugins.yaml
@@ -120,6 +120,6 @@ metadata:
   namespace: ${NAMESPACE}
 plugin: opentelemetry
 config:
-  endpoint: ${OTEL_ENDPOINT}
+  traces_endpoint: ${OTEL_TRACES_ENDPOINT}
   resource_attributes:
     service.name: ${NAME}
diff --git a/kong-platform/dataplane-template-defaults.yaml b/kong-platform/dataplane-template-defaults.yaml
index f90da9e..0800421 100644
--- a/kong-platform/dataplane-template-defaults.yaml
+++ b/kong-platform/dataplane-template-defaults.yaml
@@ -19,4 +19,6 @@ data:
   CORS_ORIGINS: https://*.sttlab.local
   RATE_LIMIT_MINUTE: "300"
   REQUEST_MAX_BODY_SIZE: "10" # MB
-  OTEL_ENDPOINT: PLACEHOLDER # no OTel collector deployed on this cluster yet
+  # Jaeger v2 (OTLP-native), Helm-installed 2026-08-20, ns observability,
+  # cluster-wide — shared by every domain, not domain-specific.
+  OTEL_TRACES_ENDPOINT: http://jaeger.observability.svc.cluster.local:4318/v1/traces