--- a/net.rst	Thu Jun 18 10:01:48 2009 +0300
+++ b/net.rst	Thu Jun 18 10:40:33 2009 +0300
@@ -20,6 +20,10 @@
 
   $ sudo update-modules
 
+Another way is adding to /etc/modprobe.d/blacklist.local lines
+
+  blacklist ipv6
+
 You can safely wipe out any IPv6 reference in "/etc/hosts" and
 "/etc/network/interfaces".