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</div><div class="memdoc">
<p>Add or update an entry in the ARP cache. For an update, ipaddr is used to find the cache entry.</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">ipaddr</td><td>IPv4 address of cache entry </td></tr>
    <tr><td class="paramname">ethaddr</td><td>hardware address mapped to ipaddr </td></tr>
    <tr><td class="paramname">type</td><td>type of ARP cache entry </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Ret