></td>
        </tr>
      </table>
</div><div class="memdoc">
<p>Send an ARP request packet probing for an ipaddr. Used to send probe messages for address conflict detection.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">netif</td><td>the lwip network interface on which to send the request </td></tr>
    <tr><td class="paramname">ipaddr</td><td>the IP address to probe </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>E