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suggest-to-use-nft-in-centos8 (kubernetes-sigs#8987)
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@yankay @fungusakafungus
yankay authored and fungusakafungus committed Jul 13, 2022
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Expand Up @@ -9,7 +9,7 @@ Kubespray supports multiple ansible versions but only the default (5.x) gets wid

CentOS 8 / Oracle Linux 8 / AlmaLinux 8 / Rocky Linux 8 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"` or `calico_iptables_backend: "Auto"` to your configuration.
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.
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