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Dominik Chilla 2021-09-20 00:08:02 +02:00
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README.md
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@ -108,7 +108,7 @@ ExecStart=/usr/local/bin/k3s \
### Clustering <a name="user-content-clustering"></a>
If you want to build a K3s-cluster the default networking model is *overlay@VXLAN*. In this case make sure that
* all of your nodes can reach (ping) each other over the underlying network. This is required for the overlay network to work properly. VXLAN spans a mashed network over all K3s-nodes.
* all of your nodes can reach (ping) each other over the underlying network (local, routed/vpn). This is required for the overlay network to work properly. VXLAN spans a mashed network over all K3s-nodes.
* if your nodes are spread over public networks (like the internet) use a VPN (like IPSec or OpenVPN) to secure the traffic between the nodes. **VXLAN uses plain UDP for transport!**
* if your nodes are connected through VPN, `flannel` (overlay network daemon) explicitly communicates over the vpn network interface instead of the public network interface. Following settings should be made on the nodes:
```