UCP System requirements

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Docker Universal Control Plane can be installed on-premises or on the cloud. Before installing, be sure your infrastructure has these requirements.

Hardware and software requirements

You can install UCP on-premises or on a cloud provider. To install UCP, all nodes must have:

Linux kernel version 3.10 or higher
CS Docker Engine version 1.10 or higher. Learn about the operating systems supported by CS Docker Engine.
2.00 GB of RAM
3.00 GB of available disk space
A static IP address

For highly-available installations, you also need a way to transfer files between hosts.

When installing UCP on a host, make sure the following ports are open:

Hosts	Direction	Port	Purpose
controllers, nodes	in	TCP 443 (configurable)	Web app and CLI client access to UCP.
controllers, nodes	in	TCP 2375	Heartbeat for nodes, to ensure they are running.
controllers	in	TCP 2376 (configurable)	Swarm manager accepts requests from UCP controller.
controllers, nodes	in, out	UDP 4789	Overlay networking.
controllers, nodes	in, out	TCP + UDP 7946	Overlay networking.
controllers, nodes	in	TCP 12376	Proxy for TLS, provides access to UCP, Swarm, and Engine.
controller	in	TCP 12379	Internal node configuration, cluster configuration, and HA.
controller	in	TCP 12380	Internal node configuration, cluster configuration, and HA.
controller	in	TCP 12381	Proxy for TLS, provides access to UCP.
controller	in	TCP 12382	Manages TLS and requests from swarm manager.
controller	in	TCP 12383	Used by the authentication storage backend.
controller	in	TCP 12384	Used by authentication storage backend for replication across controllers.
controller	in	TCP 12385	The port where the authentication API is exposed.
controller	in	TCP 12386	Used by the authentication worker.

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