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docs: explain how to set bridge network driver options #7117

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docs: explain how to set bridge network driver options #7117

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16 changes: 13 additions & 3 deletions 16 docs/reference/commandline/network_create.md
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Original file line number Diff line number Diff line change
Expand Up @@ -149,9 +149,10 @@ fails and Docker Engine returns an error.

### Bridge driver options

When creating a custom `bridge` network, the following additional options can
be passed. Some of these have equivalent flags that can be used on the dockerd
command line or in `daemon.json` to configure the default bridge, `docker0`:
When creating a custom `bridge` network, you can configure driver options using
the `--opt` flag. Some of these options have equivalent flags that can be used
on the dockerd command line or in `daemon.json` to configure the default bridge,
`docker0`:

| Network create option | Daemon option for `docker0` | Description |
|--------------------------------------------------|-----------------------------|-------------------------------------------------------|
Expand All @@ -162,6 +163,15 @@ command line or in `daemon.json` to configure the default bridge, `docker0`:
| `com.docker.network.driver.mtu` | `--mtu` | Set the containers network MTU |
| `com.docker.network.container_iface_prefix` | - | Set a custom prefix for container interfaces |

For example, to create a custom `bridge` network with IP masquerading disabled:

```console
$ docker network create \
--driver bridge \
--opt com.docker.network.bridge.enable_ip_masquerade=false \
no-masq-network
```

The following arguments can be passed to `docker network create` for any
network driver, again with their approximate equivalents to Docker daemon
flags used for the `docker0` bridge:
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