diff --git a/src/sonic-yang-models/tests/yang_model_tests/tests/device_metadata.json b/src/sonic-yang-models/tests/yang_model_tests/tests/device_metadata.json
index 8147f8a3ea..16cab82bc7 100644
--- a/src/sonic-yang-models/tests/yang_model_tests/tests/device_metadata.json
+++ b/src/sonic-yang-models/tests/yang_model_tests/tests/device_metadata.json
@@ -33,6 +33,9 @@
 	"desc": "DEVICE_METADATA_TYPE_INCORRECT_PATTERN pattern failure.",
 	"eStrKey" : "Pattern"
     },
+    "DEVICE_METADATA_TYPE_CORRECT_PATTERN": {
+        "desc": "DEVICE_METADATA correct value for Type field"
+    },
     "DEVICE_METADATA_CORRECT_BUFFER_MODEL_PATTERN": {
         "desc": "DEVICE_METADATA correct value for BUFFER_MODEL field"
     },
diff --git a/src/sonic-yang-models/tests/yang_model_tests/tests_config/device_metadata.json b/src/sonic-yang-models/tests/yang_model_tests/tests_config/device_metadata.json
index 501ad9bb2c..26a2c9377d 100644
--- a/src/sonic-yang-models/tests/yang_model_tests/tests_config/device_metadata.json
+++ b/src/sonic-yang-models/tests/yang_model_tests/tests_config/device_metadata.json
@@ -44,6 +44,16 @@
             }
         }
     },
+    "DEVICE_METADATA_TYPE_CORRECT_PATTERN": {
+        "sonic-device_metadata:sonic-device_metadata": {
+            "sonic-device_metadata:DEVICE_METADATA": {
+                "sonic-device_metadata:localhost": {
+                    "bgp_asn": "65002",
+                    "type": "BackEndToRRouter"
+                }
+            }
+        }
+    },
     "DEV_META_DEV_NEIGH_VERSION_TABLE": {
         "sonic-device_metadata:sonic-device_metadata": {
             "sonic-device_metadata:DEVICE_METADATA": {
diff --git a/src/sonic-yang-models/yang-models/sonic-device_metadata.yang b/src/sonic-yang-models/yang-models/sonic-device_metadata.yang
index 400cbf3bcd..fef47b5718 100644
--- a/src/sonic-yang-models/yang-models/sonic-device_metadata.yang
+++ b/src/sonic-yang-models/yang-models/sonic-device_metadata.yang
@@ -91,7 +91,7 @@ module sonic-device_metadata {
                 leaf type {
                     type string {
                         length 1..255;
-                        pattern "ToRRouter|LeafRouter|SpineChassisFrontendRouter|ChassisBackendRouter|ASIC";
+                        pattern "ToRRouter|LeafRouter|SpineChassisFrontendRouter|ChassisBackendRouter|ASIC|MgmtToRRouter|SpineRouter|BackEndToRRouter|BackEndLeafRouter";
                     }
                 }