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docs: remove duplicate overlay network port requirements #25134

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11 changes: 2 additions & 9 deletions content/manuals/engine/network/drivers/overlay.md
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Expand Up @@ -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:

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