# ip router-advertise

## Syntax

```
[no] ip router-advertise off|on
```

## Syntax Description

<table><thead><tr><th width="203">Keyword</th><th>Description</th></tr></thead><tbody><tr><td><code>no</code></td><td>(Optional) This is the same as <code>ip advertise off.</code></td></tr><tr><td><code>off</code></td><td>Disables the sending of IPv6 RA packets.</td></tr><tr><td><code>on</code></td><td>Enables the sending of IPv6 RA packets.</td></tr></tbody></table>

## Defaults

When autoconfiguration is enabled on an interface, the Island will determine the proper setting based on whether the the interface is determined to be a WAN or a LAN connection. Otherwise, the initial setting for newly-created interfaces is off.

## Usage Guidelines

This command determines whether IPv6 Router Advertisement (RA) packets are sent on an interface.

This command is valid only in interface context. Entering it will disable [autoconfig ](https://docs.islandrouter.com/island-router-cli-2.3.2/commands/ip-interface-context/ip-autoconfig)on the interface.

## Examples

```
ip router-advertise on
```

## Related Commands

{% content-ref url="../interface" %}
[interface](https://docs.islandrouter.com/island-router-cli-2.3.2/commands/interface)
{% endcontent-ref %}