Michael fixed this in a telephone session
---
 config/cfgroot/network-functions.pl | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/config/cfgroot/network-functions.pl b/config/cfgroot/network-functions.pl
index 66f1ed5..41632c3 100644
--- a/config/cfgroot/network-functions.pl
+++ b/config/cfgroot/network-functions.pl
@@ -108,14 +108,22 @@ sub network_equal {
 	my $network1 = shift;
 	my $network2 = shift;
 
-	my $bin1 = &network2bin($network1);
-	my $bin2 = &network2bin($network2);
+	my @bin1 = &network2bin($network1);
+	if (scalar @bin1 ne 2) {
+		return undef;
+	}
 
-	if ($bin1 eq $bin2) {
-		return 1;
+	my @bin2 = &network2bin($network2);
+	if (scalar @bin2 ne 2) {
+		return undef;
 	}
 
-	return 0;
+	my $address1 = $bin1[0];
+	my $netmask1 = $bin1[1];
+	my $address2 = $bin2[0];
+	my $netmask2 = $bin2[1];
+
+	return (($address1 eq $address2) && ($netmask1 eq $netmask2));
 }
 
 # Takes a network in either a.b.c.d/a.b.c.d or a.b.c.d/e notation
-- 
2.7.4