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Marty Hernandez Avedon
34 lines
2.1 KiB
Markdown
34 lines
2.1 KiB
Markdown
---
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title: 1. Enable Istio in the Cluster
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---
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<head>
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<link rel="canonical" href="https://ranchermanager.docs.rancher.com/how-to-guides/advanced-user-guides/istio-setup-guide/enable-istio-in-cluster"/>
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</head>
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:::note Prerequisites:
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- Only a user with the `cluster-admin` [Kubernetes default role](https://kubernetes.io/docs/reference/access-authn-authz/rbac/#user-facing-roles) assigned can configure and install Istio in a Kubernetes cluster.
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- If you have pod security policies, you will need to install Istio with the CNI enabled. For details, see [this section.](../../../integrations-in-rancher/istio/configuration-options/pod-security-policies.md)
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- To install Istio on an RKE2 cluster, additional steps are required. For details, see [this section.](../../../integrations-in-rancher/istio/configuration-options/install-istio-on-rke2-cluster.md)
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- To install Istio in a cluster where project network isolation is enabled, additional steps are required. For details, see [this section.](../../../integrations-in-rancher/istio/configuration-options/project-network-isolation.md)
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:::
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1. Click **☰ > Cluster Management**.
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1. Go to the where you want to enable Istio and click **Explore**.
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1. Click **Apps**.
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1. Click **Charts**.
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1. Click **Istio**.
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1. If you have not already installed your own monitoring app, you will be prompted to install the rancher-monitoring app. Optional: Set your Selector or Scrape config options on rancher-monitoring app install.
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1. Optional: Configure member access and [resource limits](../../../integrations-in-rancher/istio/cpu-and-memory-allocations.md) for the Istio components. Ensure you have enough resources on your worker nodes to enable Istio.
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1. Optional: Make additional configuration changes to values.yaml if needed.
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1. Optional: Add further resources or configuration via the [overlay file](../../../pages-for-subheaders/configuration-options.md#overlay-file).
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1. Click **Install**.
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**Result:** Istio is installed at the cluster level.
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## Additional Config Options
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For more information on configuring Istio, refer to the [configuration reference.](../../../pages-for-subheaders/configuration-options.md)
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