# ntp

## Syntax

```
[no] ntp <server> [<server> [...]]
```

## Syntax Description

<table><thead><tr><th width="129">Keyword</th><th>Description</th></tr></thead><tbody><tr><td><code>no</code></td><td>(Optional) Removes the specified NTP server. If no server is given, reverts to the default NTP server.</td></tr><tr><td>server</td><td>The name or IP address of an NTP server.</td></tr></tbody></table>

## Defaults

Island uses the pool at ntp.islandrouter.com by default.

## Usage Guidelines

This command specifies one or more NTP servers to be used to synchronize Island's internal clock. The command will accept multiple servers on one line, and the command may be specified multiple times.

## Examples

```
ntp pool.ntp.org
```

## Related Commands

{% content-ref url="/pages/LmtULgmDFRzvBrD8DqSu" %}
[show ntp](/island-router-cli-2.3.2/commands/show-ntp.md)
{% endcontent-ref %}

{% content-ref url="/pages/fiiH69fpWPvsT4NzKeXz" %}
[show clock](/island-router-cli-2.3.2/commands/show-clock.md)
{% endcontent-ref %}


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