diff -Nur -x '*.orig' -x '*.rej' e-smith-dnscache-1.0.0/root/var/service/dnscache/run mezzanine_patched_e-smith-dnscache-1.0.0/root/var/service/dnscache/run
--- e-smith-dnscache-1.0.0/root/var/service/dnscache/run	2006-03-14 15:59:06.000000000 -0500
+++ mezzanine_patched_e-smith-dnscache-1.0.0/root/var/service/dnscache/run	2006-04-30 20:24:13.000000000 -0400
@@ -85,8 +85,13 @@
     my $mask = $net->prop('Mask');
     my $key = $net->key;
     my $systemlocalnetwork = $net->prop('SystemLocalNetwork') || 'no';
-    my $nameserver = $net->prop('NameServer') ||
-	(($systemlocalnetwork eq 'yes') ? $tinydns_ip : 'none');
+    my $nameserver = $net->prop('NameServer');
+    if (defined $nameserver and $nameserver eq $ENV{IP})
+    {
+	warn("NameServer property for net $key ($nameserver) would create loop - ignoring\n");
+	$nameserver = undef;
+    }
+    $nameserver ||= ($systemlocalnetwork eq 'yes') ? $tinydns_ip : 'none';
     push @localnetworks,
         esmith::util::computeAllLocalNetworkPrefixes ($key, $mask);