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Add existing cluster note for dual-stack configuration #415

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Sep 16, 2025
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Add existing cluster note for dual-stack configuration #415

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2 changes: 2 additions & 0 deletions docs/networking/basic_network_options.md
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Expand Up @@ -229,6 +229,8 @@ cluster-cidr: "10.42.0.0/16,2001:cafe:42::/56"
service-cidr: "10.43.0.0/16,2001:cafe:43::/112"
```

Dual-stack networking must be configured when the cluster is first created. It cannot be enabled on an existing cluster once it has been started as IPv4-only.

Each CNI Plugin may require a different configuration for dual-stack:

<Tabs groupId="CNIplugin" queryString>
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