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(network-macvlan)=
# Macvlan network
<!-- Include start macvlan intro -->
Macvlan is a virtual {abbr}`LAN (Local Area Network)` that you can use if you want to assign several IP addresses to the same network interface, basically splitting up the network interface into several sub-interfaces with their own IP addresses.
You can then assign IP addresses based on the randomly generated MAC addresses.
<!-- Include end macvlan intro -->
The `macvlan` network type allows to specify presets to use when connecting instances to a parent interface.
In this case, the instance NICs can simply set the `network` option to the network they connect to without knowing any of the underlying configuration details.
```{note}
If you are using a `macvlan` network, communication between the Incus host and the instances is not possible.
Both the host and the instances can talk to the gateway, but they cannot communicate directly.
```
(network-macvlan-options)=
## Configuration options
The following configuration key namespaces are currently supported for the `macvlan` network type:
- `user` (free-form key/value for user metadata)
```{note}
{{note_ip_addresses_CIDR}}
```
The following configuration options are available for the `macvlan` network type:
% Include content from [config_options.txt](../config_options.txt)
```{include} ../config_options.txt
:start-after: <!-- config group network_macvlan-common start -->
:end-before: <!-- config group network_macvlan-common end -->
```
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