diff --git a/src/sonic-config-engine/portconfig.py b/src/sonic-config-engine/portconfig.py
index 788774d34969..b2550b12125f 100644
--- a/src/sonic-config-engine/portconfig.py
+++ b/src/sonic-config-engine/portconfig.py
@@ -430,7 +430,8 @@ def parse_platform_json_file(hwsku_json_file, platform_json_file):
             if child_port in hwsku_entry:
                 for key, item in hwsku_entry[child_port].items():
                     if key in OPTIONAL_HWSKU_ATTRIBUTES:
-                        child_ports.get(child_port)[key] = item
+                        for child in child_ports:
+                            child_ports.get(child)[key] = item
 
         ports.update(child_ports)
 
diff --git a/src/sonic-config-engine/tests/sample_output/platform_output.json b/src/sonic-config-engine/tests/sample_output/platform_output.json
index 51c26754e982..b820717499a1 100644
--- a/src/sonic-config-engine/tests/sample_output/platform_output.json
+++ b/src/sonic-config-engine/tests/sample_output/platform_output.json
@@ -976,7 +976,8 @@
     "alias": "Eth36/1",
     "pfc_asym": "off",
     "subport": "1",
-    "speed": "25000"
+    "speed": "25000",
+    "role": "Dpc"
   },
   "Ethernet141": {
     "index": "36",
@@ -987,7 +988,8 @@
     "alias": "Eth36/2",
     "pfc_asym": "off",
     "speed": "25000",
-    "subport": "2"
+    "subport": "2",
+    "role": "Dpc"
   },
   "Ethernet142": {
     "index": "36",