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Update README.md 

Co-authored-by: Leo Antunes <leo@costela.net>
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kaiyou 2020-05-18 10:15:52 +02:00 committed by Leo Antunes
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@ -148,12 +148,12 @@ All options can be passed either as command-line flags or environment variables:
## Running multiple clusters
Wesher supports having a node be a member of multiple clusters. The following settings must be explicitely set to non-conflicting values:
- `--interface`, so that wireguard does not mix up traffic, the interface name is also used for naming the state file
- `--cluster-port` or `--bind-addr` or `--bind-iface`, so that wesher can properly bind to its port
- `--wireguard-port`, so that wireguard can properly bind to its port
One should also use different overlay networks. Even though using the same network on different devices will work in some cases, it is not the intended use.
```suggestion
To make a node be a member of multiple clusters, simply start multiple wesher instances. The following settings must be explicitly set to different values for each instance:
- `--interface`
- either `--cluster-port`, or `--bind-addr` or `--bind-iface`
- `--wireguard-port`
- `--overlay-net` (optional, but recommended to avoid node address conflicts)
Finally, one should use different cluster keys for different clusters, as a security best practice.