diff --git a/ansible/golden_config_db/smartswitch_t1-28-lag.json b/ansible/golden_config_db/smartswitch_t1-28-lag.json
index 7117fb396cc..4087c916121 100644
--- a/ansible/golden_config_db/smartswitch_t1-28-lag.json
+++ b/ansible/golden_config_db/smartswitch_t1-28-lag.json
@@ -1,110 +1,4 @@
 {
-    "CHASSIS_MODULE": {
-        "DPU1": {
-            "admin_status": "down"
-        },
-        "DPU2": {
-            "admin_status": "down"
-        },
-        "DPU3": {
-            "admin_status": "down"
-        },
-        "DPU4": {
-            "admin_status": "down"
-        },
-        "DPU5": {
-            "admin_status": "down"
-        },
-        "DPU6": {
-            "admin_status": "down"
-        },
-        "DPU7": {
-            "admin_status": "down"
-        }
-    },
-    "DHCP_SERVER_IPV4": {
-        "bridge-midplane": {
-            "gateway": "169.254.200.254",
-            "lease_time": "31536000",
-            "mode": "PORT",
-            "netmask": "255.255.255.0",
-            "state": "enabled"
-        }
-    },
-    "DHCP_SERVER_IPV4_PORT": {
-        "bridge-midplane|dpu0": {
-            "ips": [
-                "169.254.200.0"
-            ]
-        },
-        "bridge-midplane|dpu1": {
-            "ips": [
-                "169.254.200.1"
-            ]
-        },
-        "bridge-midplane|dpu2": {
-            "ips": [
-                "169.254.200.2"
-            ]
-        },
-        "bridge-midplane|dpu3": {
-            "ips": [
-                "169.254.200.3"
-            ]
-        },
-        "bridge-midplane|dpu4": {
-            "ips": [
-                "169.254.200.4"
-            ]
-        },
-        "bridge-midplane|dpu5": {
-            "ips": [
-                "169.254.200.5"
-            ]
-        },
-        "bridge-midplane|dpu6": {
-            "ips": [
-                "169.254.200.6"
-            ]
-        },
-        "bridge-midplane|dpu7": {
-            "ips": [
-                "169.254.200.7"
-            ]
-        }
-    },
-    "DPUS": {
-        "dpu0": {
-            "midplane_interface": "dpu0"
-        },
-        "dpu1": {
-            "midplane_interface": "dpu1"
-        },
-        "dpu2": {
-            "midplane_interface": "dpu2"
-        },
-        "dpu3": {
-            "midplane_interface": "dpu3"
-        },
-        "dpu4": {
-            "midplane_interface": "dpu4"
-        },
-        "dpu5": {
-            "midplane_interface": "dpu5"
-        },
-        "dpu6": {
-            "midplane_interface": "dpu6"
-        },
-        "dpu7": {
-            "midplane_interface": "dpu7"
-        }
-    },
-    "MID_PLANE_BRIDGE": {
-        "GLOBAL": {
-            "bridge": "bridge-midplane",
-            "ip_prefix": "169.254.200.254/24"
-        }
-    },
     "GNMI": {
         "certs": {
             "ca_crt": "/etc/sonic/telemetry/dsmsroot.cer",
@@ -126,4 +20,5 @@
             "nexthop-vrf": "default"
         }
     }
+
 }
diff --git a/ansible/library/generate_golden_config_db.py b/ansible/library/generate_golden_config_db.py
index f61499f8954..28f1feb62c4 100644
--- a/ansible/library/generate_golden_config_db.py
+++ b/ansible/library/generate_golden_config_db.py
@@ -31,6 +31,7 @@
         "dpu_num": 8,
         "port_key": "Ethernet-BP{}",
         "interface_key": "Ethernet-BP{}|18.{}.202.0/31",
+        "dpu_key": "dpu{}"
     }
 }
 
@@ -74,7 +75,7 @@ def generate_mx_golden_config_db(self):
         # Generate FEATURE table from init_cfg.ini
         ori_config_db = json.loads(out)
         if "FEATURE" not in ori_config_db or "dhcp_server" not in ori_config_db["FEATURE"]:
-            return {}
+            return "{}"
 
         ori_config_db["FEATURE"]["dhcp_server"]["state"] = "enabled"
         gold_config_db = {
@@ -126,19 +127,75 @@ def generate_smartswitch_golden_config_db(self):
         if hwsku not in smartswitch_hwsku_config:
             return "{}"
 
-        for i in range(smartswitch_hwsku_config["dpu_num"]):
-            port_key = smartswitch_hwsku_config["port_key"].format(i)
-            interface_key = smartswitch_hwsku_config["interface_key"].format(i, i)
+        if "DPUS" not in ori_config_db:
+            ori_config_db["DPUS"] = {}
+
+        if "CHASSIS_MODULE" not in ori_config_db:
+            ori_config_db["CHASSIS_MODULE"] = {}
+
+        if "DHCP_SERVER_IPV4_PORT" not in ori_config_db:
+            ori_config_db["DHCP_SERVER_IPV4_PORT"] = {}
+
+        for i in range(smartswitch_hwsku_config[hwsku]["dpu_num"]):
+            port_key = smartswitch_hwsku_config[hwsku]["port_key"].format(i)
+            interface_key = smartswitch_hwsku_config[hwsku]["interface_key"].format(i, i)
+            dpu_key = smartswitch_hwsku_config[hwsku]["dpu_key"].format(i)
+
             if port_key in ori_config_db["PORT"]:
                 ori_config_db["PORT"][port_key]["admin_status"] = "up"
                 ori_config_db["INTERFACE"][port_key] = {}
                 ori_config_db["INTERFACE"][interface_key] = {}
 
+            ori_config_db["CHASSIS_MODULE"]["DPU{}".format(i)] = {"admin_status": "up"}
+
+            if dpu_key not in ori_config_db["DPUS"]:
+                ori_config_db["DPUS"][dpu_key] = {}
+            ori_config_db["DPUS"][dpu_key]["midplane_interface"] = dpu_key
+
+            key = "bridge-midplane|dpu{}".format(i)
+            if key not in ori_config_db["DHCP_SERVER_IPV4_PORT"]:
+                ori_config_db["DHCP_SERVER_IPV4_PORT"][key] = {}
+            ori_config_db["DHCP_SERVER_IPV4_PORT"][key]["ips"] = ["169.254.200.{}".format(i)]
+
+        midplane_network_config = {
+             "midplane_network": {
+                 "bridge_name": "bridge-midplane",
+                 "bridge_address": "169.254.200.254/24"
+             }
+         }
+        ori_config_db["MIDPLANE_NETWORK"] = midplane_network_config
+        mid_plane_bridge_config = {
+                "GLOBAL": {
+                    "bridge": "bridge-midplane",
+                    "ip_prefix": "169.254.200.254/24"
+                }
+            }
+
+        ori_config_db["MID_PLANE_BRIDGE"] = mid_plane_bridge_config
+
+        dhcp_server_ipv4_config = {
+            "DHCP_SERVER_IPV4": {
+                "bridge-midplane": {
+                    "gateway": "169.254.200.254",
+                    "lease_time": "600000000",
+                    "mode": "PORT",
+                    "netmask": "255.255.255.0",
+                    "state": "enabled"
+                }
+            }
+        }
+        ori_config_db["DHCP_SERVER_IPV4"] = dhcp_server_ipv4_config["DHCP_SERVER_IPV4"]
         gold_config_db = {
             "DEVICE_METADATA": copy.deepcopy(ori_config_db["DEVICE_METADATA"]),
             "FEATURE": copy.deepcopy(ori_config_db["FEATURE"]),
             "INTERFACE": copy.deepcopy(ori_config_db["INTERFACE"]),
-            "PORT": copy.deepcopy(ori_config_db["PORT"])
+            "PORT": copy.deepcopy(ori_config_db["PORT"]),
+            "CHASSIS_MODULE": copy.deepcopy(ori_config_db["CHASSIS_MODULE"]),
+            "DPUS": copy.deepcopy(ori_config_db["DPUS"]),
+            "DHCP_SERVER_IPV4_PORT": copy.deepcopy(ori_config_db["DHCP_SERVER_IPV4_PORT"]),
+            "MIDPLANE_NETWORK": copy.deepcopy(ori_config_db["MIDPLANE_NETWORK"]),
+            "MID_PLANE_BRIDGE": copy.deepcopy(ori_config_db["MID_PLANE_BRIDGE"]),
+            "DHCP_SERVER_IPV4": copy.deepcopy(ori_config_db["DHCP_SERVER_IPV4"])
         }
 
         # Generate dhcp_server related configuration