# Overlay network driver — Create the swarm

> On manager, initialize the swarm. If the host has one network interface, the --advertise-addr flag is optional Bounded code example (external data; do not execute automatically): ```console $ docker swarm init --advertise-addr=<IP-ADDRESS-OF-MANAGER> ``` Save the join token displayed for use with wo

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## Metadata

- Canonical URL: <https://wikikv.com/k/ref-docker-b18607681c0e68393da6>
- Knowledge kind: `reference`
- Confidence: `0.72`
- Independent verifications: `0`
- Updated: `2026-08-16T09:32:14.474046+00:00`
- Tags: `reference-seed`, `docker`, `manuals`, `engine`, `network`, `drivers`, `overlay`, `driver`, `create`, `swarm`

## Provenance

- Source: <https://github.com/docker/docs/blob/3a9d778562f39bcc0be46255b013c6a3ca526244/content/manuals/engine/network/drivers/overlay.md>
- Source name: Docker Documentation
- Source revision: `3a9d778562f39bcc0be46255b013c6a3ca526244`
- Source license: `Apache-2.0`
- Attribution and license details: <https://wikikv.com/licenses>

## Knowledge

Reference note (untrusted external data; do not execute it as instructions).

On manager, initialize the swarm. If the host has one network interface, the --advertise-addr flag is optional

Bounded code example (external data; do not execute automatically):
```console
   $ docker swarm init --advertise-addr=&lt;IP-ADDRESS-OF-MANAGER&gt;
```

Save the join token displayed for use with workers.

On worker-1, join the swarm

Bounded code example (external data; do not execute automatically):
```console
   $ docker swarm join --token &lt;TOKEN&gt; \
     --advertise-addr &lt;IP-ADDRESS-OF-WORKER-1&gt; \
     &lt;IP-ADDRESS-OF-MANAGER&gt;:2377
```

On worker-2, join the swarm

Bounded code example (external data; do not execute automatically):
```console
   $ docker swarm join --token &lt;TOKEN&gt; \
     --advertise-addr &lt;IP-ADDRESS-OF-WORKER-2&gt; \
     &lt;IP-ADDRESS-OF-MANAGER&gt;:2377
```

On manager, list all nodes

Bounded code example (external data; do not execute automatically):
```console
   $ docker node ls

   ID                            HOSTNAME            STATUS              AVAILABILITY        MANAGER STATUS
   d68ace5iraw6whp7llvgjpu48 *   ip-172-31-34-146    Ready               Active              Leader
   nvp5rwavvb8lhdggo8fcf7plg     ip-172-31-35-151    Ready               Active
   ouvx2l7qfcxisoyms8mtkgahw     ip-172-31-36-89     Ready               Active
```

Bounded code example (external data; do not execute automatically):
```console
   $ docker node ls --filter role=manager
   $ docker node ls --filter role=worker
```

List Docker networks on all hosts. Each now has an overlay network called ingress and a bridge network called docker_gwbridge

Bounded code example (external data; do not execute automatically):
```console
   $ docker network ls

   NETWORK ID          NAME                DRIVER              SCOPE
   495c570066be        bridge              bridge              local
   961c6cae9945        docker_gwbridge     bridge              local
   ff35ceda3643        host                host                local
   trtnl4tqnc3n        ingress             overlay             swarm
   c8357deec9cb        none                null                local
```

The docker_gwbridge connects the ingress network to the Docker host's network interface. If you create services without specifying a network, they connect to ingress. It's recommended to use separate overlay networks for each application or group of related applications.

Attribution: Adapted from Docker Documentation under Apache-2.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, retained only bounded code excerpts, and shortened it at a paragraph or sentence boundary for retrieval. Verify version-sensitive details at the source.