diff -urN e-smith-base-5.4.0.old/root/etc/e-smith/templates/var/service/wan/run.pppoe.conf/mlimit e-smith-base-5.4.0/root/etc/e-smith/templates/var/service/wan/run.pppoe.conf/mlimit
--- e-smith-base-5.4.0.old/root/etc/e-smith/templates/var/service/wan/run.pppoe.conf/mlimit	2013-01-31 07:52:04.000000000 -0800
+++ e-smith-base-5.4.0/root/etc/e-smith/templates/var/service/wan/run.pppoe.conf/mlimit	2013-02-21 15:22:02.000000000 -0800
@@ -1,5 +1,15 @@
 {
-# memory limit to catch any memory leak before it kills the system
-    my $mlimit = $pppoe{Mlimit} || '100000000';
-    $OUT = "PPPD_MLIMIT=$mlimit";
+   # memory limit to catch any memory leak before it kills the system
+   use constant MIN_MEMORY_LIMIT => 100000000;
+   
+   # If there is a memory limit in the database and it is below the minimum, delete it. 
+   if (defined $pppoe{Mlimit} && $pppoe{Mlimit} < MIN_MEMORY_LIMIT)
+   {
+      $DB->get_prop_and_delete('pppoe','Mlimit');
+      delete $pppoe{Mlimit};
+   }
+   
+   $OUT = "PPPD_MLIMIT=";
+   $OUT .= $pppoe{Mlimit} || MIN_MEMORY_LIMIT;
 }
+