diff --git a/docs/XenMyWay-Routed.xml b/docs/XenMyWay-Routed.xml
index 373259447..185dfd232 100644
--- a/docs/XenMyWay-Routed.xml
+++ b/docs/XenMyWay-Routed.xml
@@ -278,6 +278,12 @@ gateway:~ #</programlisting>
 <emphasis role="bold">(network-script network-route)
 (vif-script     vif-route)</emphasis>
 </programlisting>
+
+            <important>
+              <para>As of this writing, the vif-route script does not set up
+              proxy ARP correctly. So the domU can communicate with the dom0
+              but not with hosts beyond the dom0.</para>
+            </important>
           </blockquote></para>
 
         <note>