> For the complete documentation index, see [llms.txt](https://docs.islandrouter.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.islandrouter.com/island-router-cli-2.3.2/commands/ip-interface-context/ip-dhcp-lease.md).

# ip dhcp-lease

## Syntax

```
[no] ip dhcp-lease <seconds>
```

## Syntax Description

<table><thead><tr><th width="203">Keyword</th><th>Description</th></tr></thead><tbody><tr><td><code>no</code></td><td>(Optional) Resets the DHCP lease time to the default value.</td></tr><tr><td>seconds</td><td>The DHCP lease time in seconds.</td></tr></tbody></table>

## Defaults

The default lease time is 1800 seconds (30 minutes).

## Usage Guidelines

The default lease time for addresses assigned by Island's DHCP server is 30 minutes. This allows devices to respond reasonably quickly to network address changes.

Although rare, some devices cannot handle such a short lease time. This command can be used to change the DHCP lease time to a different value.

This command is valid only in interface context. Entering it does not change the [configuration mode](/island-router-cli-2.3.2/commands/ip-interface-context/ip-autoconfig.md) of the interface.

## Examples

```
ip dhcp-lease 3600
```

## Related Commands

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

{% content-ref url="/pages/BWJnOTqEun5cyL135Pir" %}
[ip dhcp-server](/island-router-cli-2.3.2/commands/ip-interface-context/ip-dhcp-server.md)
{% endcontent-ref %}

{% content-ref url="/pages/ZhsfjpTrcfM6NHncMFKE" %}
[ip dhcp-scope](/island-router-cli-2.3.2/commands/ip-interface-context/ip-dhcp-scope.md)
{% endcontent-ref %}


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