diff --git a/content/manuals/engine/network/drivers/overlay.md b/content/manuals/engine/network/drivers/overlay.md index e9f2daafc096..f2a5179b130c 100644 --- a/content/manuals/engine/network/drivers/overlay.md +++ b/content/manuals/engine/network/drivers/overlay.md @@ -37,21 +37,14 @@ Docker hosts must be part of a swarm to use overlay networks, even when connecting standalone containers. The following ports must be open between participating hosts: -- `2377/tcp`: Swarm control plane (configurable) -- `4789/udp`: Overlay traffic (configurable) -- `7946/tcp` and `7946/udp`: Node communication (not configurable) - -## Create an overlay network - -The following table lists the ports that need to be open to each host -participating in an overlay network: - | Ports | Description | | :--------------------- | :------------------------------------------------------------------------------------------------------------------------------------------------------ | | `2377/tcp` | The default Swarm control plane port, is configurable with [`docker swarm join --listen-addr`](/reference/cli/docker/swarm/join/#listen-addr) | | `4789/udp` | The default overlay traffic port, configurable with [`docker swarm init --data-path-addr`](/reference/cli/docker/swarm/init/#data-path-port) | | `7946/tcp`, `7946/udp` | Used for communication among nodes, not configurable | +## Create an overlay network + To create an overlay network that containers on other Docker hosts can connect to, run the following command: