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marossetjihoon-seoTim Bannister
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Adding a warning to Windows docs for NodePort service issues on WS2022 (#31759)
* Adding a warning to Windows docs for NodePort service issues on WS2022 Signed-off-by: Mark Rossetti <[email protected]> * Update content/en/docs/setup/production-environment/windows/intro-windows-in-kubernetes.md Co-authored-by: Jihoon Seo <[email protected]> * Update content/en/docs/setup/production-environment/windows/intro-windows-in-kubernetes.md Co-authored-by: Tim Bannister <[email protected]> Co-authored-by: Jihoon Seo <[email protected]> Co-authored-by: Tim Bannister <[email protected]>
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content/en/docs/setup/production-environment/windows/intro-windows-in-kubernetes.md

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@@ -327,6 +327,17 @@ In a cluster that includes Windows nodes, you can use the following types of Ser
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* `LoadBalancer`
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* `ExternalName`
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{{< warning >}}
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There are known issue with NodePort services on overlay networking, if the target destination node is running Windows Server 2022.
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To avoid the issue entirely, you can configure the service with `externalTrafficPolicy: Local`.
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There are known issues with pod to pod connectivity on l2bridge network on Windows Server 2022 with KB5005619 or higher installed.
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To workaround the issue and restore pod-pod connectivity, you can disable the WinDSR feature in kube-proxy.
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These issues require OS fixes.
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Please follow https://github.com/microsoft/Windows-Containers/issues/204 for updates.
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{{< /warning >}}
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Windows container networking differs in some important ways from Linux networking.
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The [Microsoft documentation for Windows Container Networking](https://docs.microsoft.com/en-us/virtualization/windowscontainers/container-networking/architecture) provides
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additional details and background.

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