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Merge pull request #230 from afrazkhan/master 

Info about IP 50 needing to be open
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Misty Stanley-Jones 2016-10-19 14:52:10 -07:00 committed by GitHub
parent cdaef772f8 dcfbf407b0
commit d92715537f
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3
engine/swarm/swarm-tutorial/index.md
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@ -121,6 +121,9 @@ The following ports must be available. On some systems, these ports are open by
* **TCP** and **UDP port 7946** for communication among nodes
* **TCP** and **UDP port 4789** for overlay network traffic
If you are planning on creating an overlay network with encryption (`--opt encrypted`),
you will also need to ensure protocol 50 (ESP) is open.
## What's next?
After you have set up your environment, you are ready to [create a swarm](create-swarm.md).

3
engine/userguide/networking/index.md
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@ -465,6 +465,9 @@ You should open the following ports between each of your hosts.
Your key-value store service may require additional ports.
Check your vendor's documentation and open any required ports.
If you are planning on creating an overlay network with encryption (`--opt encrypted`),
you will also need to ensure protocol 50 (ESP) is open.
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.