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Merge pull request #17883 from dave-tucker/bug/17709

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Add required ports for Overlay to docs
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moxiegirl 2015-11-11 13:10:22 -08:00
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docs/userguide/networking/dockernetworks.md
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@ -404,16 +404,26 @@ provision the hosts are with Docker Machine.
![Engine on each host](images/engine_on_net.png) ![Engine on each host](images/engine_on_net.png)
You should open the following ports between each of your hosts.
| Protocol | Port | Description |
|----------|------|-----------------------|
| udp | 4789 | Data plane (VXLAN) |
| tcp/udp | 7946 | Control plane |
Your key-value store service may require additional ports.
Check your vendor's documentation and open any required ports.
Once you have several machines provisioned, you can use Docker Swarm to quickly Once you have several machines provisioned, you can use Docker Swarm to quickly
form them into a swarm which includes a discovery service as well. form them into a swarm which includes a discovery service as well.
To create an overlay network, you configure options on the `daemon` on each To create an overlay network, you configure options on the `daemon` on each
Docker Engine for use with `overlay` network. There are two options to set: Docker Engine for use with `overlay` network. There are two options to set:
| Option | Description | | Option | Description |
|----------------------------------|-----------------------------------------------------------| |-----------------------------------------------|-------------------------------------------------------------|
| `--cluster-store=PROVIDER://URL` | Describes the location of the KV service. | | `--cluster-store=PROVIDER://URL` | Describes the location of the KV service. |
| `--cluster-advertise=HOST_IP` | Advertises containers created by the HOST on the network. | | `--cluster-advertise=HOST_IP|HOST_IFACE:PORT` | The IP address or interface of the HOST used for clustering |
Create an `overlay` network on one of the machines in the Swarm. Create an `overlay` network on one of the machines in the Swarm.