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Update "Use Network Policies with EKS Auto Mode" #1186

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13 changes: 12 additions & 1 deletion latest/ug/automode/auto-net-pol.adoc
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Expand Up @@ -9,6 +9,17 @@ include::../attributes.txt[]

Network policies allow you to control traffic flow at the IP address or port level within your Amazon EKS cluster. This topic explains how to enable and use network policies with EKS Auto Mode.

Auto Mode supports two Network Policies modes, which can be configured in a custom `NodeClass` attribute `spec.networkPolicy`:

* `networkPolicy: DefaultAllow` which is equal in behaviour to AWS VPC CNI `NETWORK_POLICY_ENFORCING_MODE: standard`
* `networkPolicy: DefaultDeny` which is equal in behaviour to AWS VPC CNI `NETWORK_POLICY_ENFORCING_MODE: strict`

See AWS VPC CNI attribute link:https://github.com/aws/amazon-vpc-cni-k8s?tab=readme-ov-file#network_policy_enforcing_mode-v1171["NETWORK_POLICY_ENFORCING_MODE"] for reference.

EKS Auto Mode does not support alternate CNI plugins in chaining mode for Network Policies.



== Prerequisites

* An Amazon EKS cluster with EKS Auto Mode enabled
Expand Down Expand Up @@ -69,4 +80,4 @@ Once your nodes are using this Node Class, they will be able to enforce network

== Step 3: Create and test network policies

Your EKS Auto Mode cluster is now configured to support Kubernetes network policies. You can test this with the <<network-policy-stars-demo>>.
Your EKS Auto Mode cluster is now configured to support Kubernetes network policies. You can test this with the <<network-policy-stars-demo>>.