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update-docs-for-calico-in-centos
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yankay committed Sep 7, 2023
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Expand Up @@ -7,10 +7,6 @@ Kubespray supports multiple ansible versions but only the default (5.x) gets wid

## CentOS 8

CentOS 8 / Oracle Linux 8,9 / AlmaLinux 8,9 / Rocky Linux 8,9 ship only with iptables-nft (ie without iptables-legacy similar to RHEL8)
The only tested configuration for now is using Calico CNI
You need to add `calico_iptables_backend: "NFT"` to your configuration.

If you have containers that are using iptables in the host network namespace (`hostNetwork=true`),
you need to ensure they are using iptables-nft.
An example how k8s do the autodetection can be found [in this PR](https://github.com/kubernetes/kubernetes/pull/82966)

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