# ip address

## Syntax

```
[no] ip address <address>/<bits>
```

## Syntax Description

<table><thead><tr><th width="203">Keyword</th><th>Description</th></tr></thead><tbody><tr><td><code>no</code></td><td>(Optional) Removes the IP address from the interface.</td></tr><tr><td>address</td><td>The IP address to be assigned to the interface.</td></tr><tr><td>bits</td><td>The number of bits in the network portion of the address.</td></tr></tbody></table>

## Defaults

By default, Island will either obtain an IP address for an interface using DHCP (if the DHCP client is enabled on the interface) or will assign an arbitrary /24 private network (RFC1918) network address.

## Usage Guidelines

This command assigns an IPv4 or IPv6 address to an interface. Only one IPv4 and one IPv6 address may be assigned to a given interface.

This command does not automatically set the [interface mode](/island-router-cli-2.3.2/commands/ip-interface-context/ip-autoconfig.md) to manual or disable the [DHCP client](/island-router-cli-2.3.2/commands/ip-interface-context/ip-dhcp-client.md) on the interface. However, if the DHCP client is enabled, the specified IP address will be overwritten if an address is later obtained from a DHCP server. To ensure a manually-configured IP address is not changed, set the [interface mode](/island-router-cli-2.3.2/commands/ip-interface-context/ip-autoconfig.md) to `lan`, or set it to `manual` and disable the [DHCP client](/island-router-cli-2.3.2/commands/ip-interface-context/ip-dhcp-client.md).

This command is valid only in interface context.

## Examples

```
ip address 172.16.2.20/24
ip address 2001:db8:1e:4::29/64
```

## Related Commands

{% content-ref url="/pages/JK6QY8Ad2gffsaGWZyNw" %}
[interface](/island-router-cli-2.3.2/commands/interface.md)
{% endcontent-ref %}

{% content-ref url="/pages/6M68gfh4GnFIwKxx0l0R" %}
[ip autoconfig](/island-router-cli-2.3.2/commands/ip-interface-context/ip-autoconfig.md)
{% endcontent-ref %}

{% content-ref url="/pages/fNZttlTnZbGUVCNKHuR7" %}
[ip dhcp-client](/island-router-cli-2.3.2/commands/ip-interface-context/ip-dhcp-client.md)
{% endcontent-ref %}


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