--- client/dhclient.conf
+++ client/dhclient.conf	2009/12/14 21:31:00
@@ -22,7 +22,9 @@
 #
 #####################################################
 
-send dhcp-lease-time 3600;
+# uncomment to request a specific lease time, otherwise
+# the dhcp server will provide its default lease time:
+#send dhcp-lease-time 3600;
 
 # Request several well known/usefull dhcp options.
 request subnet-mask, broadcast-address, routers,