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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 <marosset@microsoft.com>

* Update content/en/docs/setup/production-environment/windows/intro-windows-in-kubernetes.md

Co-authored-by: Jihoon Seo <46767780+jihoon-seo@users.noreply.github.com>

* Update content/en/docs/setup/production-environment/windows/intro-windows-in-kubernetes.md

Co-authored-by: Tim Bannister <tim@scalefactory.com>

Co-authored-by: Jihoon Seo <46767780+jihoon-seo@users.noreply.github.com>
Co-authored-by: Tim Bannister <tim@scalefactory.com>
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Mark Rossetti 2022-02-20 23:54:11 -08:00 committed by GitHub
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@ -327,6 +327,17 @@ In a cluster that includes Windows nodes, you can use the following types of Ser
* `LoadBalancer`
* `ExternalName`
{{< warning >}}
There are known issue with NodePort services on overlay networking, if the target destination node is running Windows Server 2022.
To avoid the issue entirely, you can configure the service with `externalTrafficPolicy: Local`.
There are known issues with pod to pod connectivity on l2bridge network on Windows Server 2022 with KB5005619 or higher installed.
To workaround the issue and restore pod-pod connectivity, you can disable the WinDSR feature in kube-proxy.
These issues require OS fixes.
Please follow https://github.com/microsoft/Windows-Containers/issues/204 for updates.
{{< /warning >}}
Windows container networking differs in some important ways from Linux networking.
The [Microsoft documentation for Windows Container Networking](https://docs.microsoft.com/en-us/virtualization/windowscontainers/container-networking/architecture) provides
additional details and background.