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Add note on supported data planes for non-cluster hosts #2790

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Add note on supported data planes for non-cluster hosts #2790

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13 changes: 13 additions & 0 deletions calico-enterprise/getting-started/bare-metal/about.mdx
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Expand Up @@ -58,6 +58,19 @@ To learn how to restrict traffic to/from hosts and VMs using Calico network poli
- Your operating system includes the `ipset` and `conntrack` kernel dependencies.
- For everything else, your non-cluster host or VM meets $[prodname] [system requirements](../install-on-clusters/requirements.mdx)

### Supported Data Planes

BPF is not supported on a non-cluster host, but non-cluster hosts are able to
connect to a BPF cluster. By default a non-cluster host connecting to a BPF
cluster will use nftables, but can be configured to use iptables.
Comment on lines +63 to +65

| OS | Cluster Data Plane | Non-Cluster Host Data Plane |
| :-----: | :----------------: | :---------------------------: |
| RHEL 8 | Any | iptables |
| RHEL 9+ | Any | nftables (default) / iptables |
| Ubuntu | Any | nftables (default) / iptables |
| Debian | Any | nftables (default) / iptables |
Comment on lines +67 to +72
Comment on lines +69 to +72

## How to

### Set up your Kubernetes cluster to work with a non-cluster host or VM
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