diff --git a/includes/discovery/os/dnos.inc.php b/includes/discovery/os/dnos.inc.php
index 0edc32496e..5f203de34c 100644
--- a/includes/discovery/os/dnos.inc.php
+++ b/includes/discovery/os/dnos.inc.php
@@ -13,4 +13,17 @@ if (!$os) {
     if (strstr($sysObjectId, '.1.3.6.1.4.1.674.10895.3054')) {
         $os = 'dnos';
     }
+    if (strstr($sysObjectId, '.1.3.6.1.4.1.674.10895.3055')) {
+        //Dell N2024P
+        $os = 'dnos';
+    }
+    if (strstr($sysObjectId, '.1.3.6.1.4.1.674.10895.3056')) {
+        //Dell N2048P
+        $os = 'dnos';
+    }
+    if (strstr($sysObjectId, '.1.3.6.1.4.1.674.10895.3046')) {
+        //Dell N4064F
+        $os = 'dnos';
+    }
+
 }