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Overlay Network needs Unique Hostname

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Resolves: #19301
Signed-off-by: Aditi Rajagopal <arajagopal@us.ibm.com>
Upstream-commit: 3024604054a588f213b671c7f1ec5eed2c99b78a
Component: engine
This commit is contained in:
Aditi Rajagopal
2016-02-05 16:45:02 -06:00
parent d40e26fc39
commit 342ff0d65d
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components/engine/docs/userguide/networking/get-started-overlay.md
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@ -19,6 +19,7 @@ some pre-existing conditions before you can create one. These conditions are:
* Access to a key-value store. Docker supports Consul, Etcd, and ZooKeeper (Distributed store) key-value stores.
* A cluster of hosts with connectivity to the key-value store.
* A properly configured Engine `daemon` on each host in the cluster.
* Hosts within the cluster must have unique hostnames because the key-value store uses the hostnames to identify cluster members.
Though Docker Machine and Docker Swarm are not mandatory to experience Docker
multi-host networking, this example uses them to illustrate how they are