diff --git a/includes/definitions.inc.php b/includes/definitions.inc.php
index 894b9bdbb1..c4cd4ef914 100644
--- a/includes/definitions.inc.php
+++ b/includes/definitions.inc.php
@@ -399,6 +399,7 @@ $os = 'nos';
 $config['os'][$os]['text']             = 'Brocade NOS';
 $config['os'][$os]['type']             = 'network';
 $config['os'][$os]['ifname']           = 1;
+$config['os'][$os]['ifalias_null']     = 1;
 $config['os'][$os]['over'][0]['graph'] = 'device_bits';
 $config['os'][$os]['over'][0]['text']  = 'Device Traffic';
 $config['os'][$os]['over'][1]['graph'] = 'device_processor';
diff --git a/includes/polling/ports.inc.php b/includes/polling/ports.inc.php
index 8ef7cc3dff..678f569c92 100644
--- a/includes/polling/ports.inc.php
+++ b/includes/polling/ports.inc.php
@@ -352,7 +352,7 @@ foreach ($ports as $port) {
             }
         }//end foreach
 
-        if ($port['update']['ifAlias'] == '' || $port['update']['ifAlias'] == NULL) {
+        if (($port['update']['ifAlias'] == '' || $port['update']['ifAlias'] == NULL) && $config['os'][$os]['ifalias_null'] == 1) {
             $port['update']['ifAlias'] = $port['ifDescr'];
             d_echo('Using ifDescr due to ifAlias being NULL');
         }