al,helvetica.sanserif" color="#ffffff"><a name="Clustering"><strong>Clustering</strong></a></font></td></tr><tr><td><blockquote>
  <table cellpadding="5" border="1"><tr><th bgcolor="#023264" width="15%"><font color="#ffffff">Property</font></th><th bgcolor="#023264" width="85%"><font color="#ffffff">Description</font></th></tr><tr><td valign="center" align="left"><code>org.apache.catalina. tribes.dns_lookups</code></td><td valign="center" align="left">
      <p>If <code>true</code>, the clustering module wi