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Add required ports for Overlay to docs 

Fixes #17709

Signed-off-by: Dave Tucker <dt@docker.com>
This commit is contained in:
Dave Tucker 2015-11-10 22:03:52 +00:00
parent d575d1e094
commit 44a527d877
1 changed files with 14 additions and 4 deletions
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18
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)
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
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
Docker Engine for use with `overlay` network. There are two options to set:
| Option | Description |
|----------------------------------|-----------------------------------------------------------|
| `--cluster-store=PROVIDER://URL` | Describes the location of the KV service. |
| `--cluster-advertise=HOST_IP` | Advertises containers created by the HOST on the network. |
| Option | Description |
|-----------------------------------------------|-------------------------------------------------------------|
| `--cluster-store=PROVIDER://URL` | Describes the location of the KV service. |
| `--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.