title: Asp.net mvc sitemap link to external site
body: <p>I am trying to add to MvcSiteMap link to external site , but link doesn't rendered by Menu Helper. </p>
  
  <pre><code> &lt;mvcSiteMapNode title="SIte1" controller="#" Action="#" Url="#" "&gt;
      &lt;mvcSiteMapNode title="SIte1"    Url="/Site1"/&gt;
      &lt;mvcSiteMapNode title="SIte2"   Url="/Site2" /&gt;
      &lt;mvcSiteMapNode title="SIte3"   Url="/Site3" /&gt;
      &lt;mvcSiteMapNode title="SIte1_CH"   Url="/Site1_CH" /&gt;
      &lt;mvcSiteMapNode title="Logout"   Url="/RedirectToLogin.aspx" /&gt;
    &lt;/mvcSiteMapNode&gt;
  </code></pre>
  
  <p>What am I Missing ?</p>