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Add complete list of required ports

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Dan Bason
2021-03-03 14:22:17 +13:00
parent c0e67713ae
commit d6aba9ffb0
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content/rancher/v2.x/en/monitoring-alerting/v2.0.x-v2.4.x/cluster-monitoring/_index.md
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@@ -54,7 +54,15 @@ Using Prometheus, you can monitor Rancher at both the cluster level and [project
As an [administrator]({{<baseurl>}}/rancher/v2.x/en/admin-settings/rbac/global-permissions/) or [cluster owner]({{<baseurl>}}/rancher/v2.x/en/admin-settings/rbac/cluster-project-roles/#cluster-roles), you can configure Rancher to deploy Prometheus to monitor your Kubernetes cluster.
> **Prerequisite:** Make sure that you are allowing traffic on port 9796 for each of your nodes because Prometheus will scrape metrics from here.
> **Prerequisite:** The following TCP ports need to be opened for metrics scraping
> | Port | Node type | Component |
> | --- | --- | --- |
> | 9796 | Worker | Node exporter |
> | 10254 | Worker | Nginx Ingress Controller |
> | 10250 | Worker/Controlplane | Kubelet |
> | 10251 | Controlplane | Kube scheduler |
> | 10252 | Controlplane | Kube controller manager |
> | 2379 | Etcd | Etcd server |
1. From the **Global** view, navigate to the cluster that you want to configure cluster monitoring.