diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/qos.json b/device/mellanox/x86_64-mlnx_msn2700-r0/qos.json
new file mode 100644
index 000000000000..121394597771
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn2700-r0/qos.json
@@ -0,0 +1,166 @@
+{
+    "TC_TO_PRIORITY_GROUP_MAP": {
+        "AZURE": {
+            "0": "0",
+            "1": "1",
+            "3": "3",
+            "4": "4"
+        }
+    },
+    "MAP_PFC_PRIORITY_TO_QUEUE": {
+        "AZURE": {
+            "0": "0",
+            "1": "1",
+            "3": "3",
+            "4": "4"
+        }
+    },
+    "TC_TO_QUEUE_MAP": {
+        "AZURE": {
+            "0": "0",
+            "1": "1",
+            "3": "3",
+            "4": "4"
+        }
+    },
+    "DSCP_TO_TC_MAP": {
+        "AZURE": {
+            "0":"0",
+            "1":"0",
+            "2":"0",
+            "3":"3",
+            "4":"4",
+            "5":"0",
+            "6":"0",
+            "7":"0",
+            "8":"1",
+            "9":"0",
+            "10":"0",
+            "11":"0",
+            "12":"0",
+            "13":"0",
+            "14":"0",
+            "15":"0",
+            "16":"0",
+            "17":"0",
+            "18":"0",
+            "19":"0",
+            "20":"0",
+            "21":"0",
+            "22":"0",
+            "23":"0",
+            "24":"0",
+            "25":"0",
+            "26":"0",
+            "27":"0",
+            "28":"0",
+            "29":"0",
+            "30":"0",
+            "31":"0",
+            "32":"0",
+            "33":"0",
+            "34":"0",
+            "35":"0",
+            "36":"0",
+            "37":"0",
+            "38":"0",
+            "39":"0",
+            "40":"0",
+            "41":"0",
+            "42":"0",
+            "43":"0",
+            "44":"0",
+            "45":"0",
+            "46":"0",
+            "47":"0",
+            "48":"0",
+            "49":"0",
+            "50":"0",
+            "51":"0",
+            "52":"0",
+            "53":"0",
+            "54":"0",
+            "55":"0",
+            "56":"0",
+            "57":"0",
+            "58":"0",
+            "59":"0",
+            "60":"0",
+            "61":"0",
+            "62":"0",
+            "63":"0"
+        }
+    },
+    "SCHEDULER": {
+        "scheduler.0": {
+            "type":"DWRR",
+            "weight": "25"
+        },
+        "scheduler.1": {
+            "type":"DWRR",
+            "weight": "30"
+        },
+        "scheduler.2": {
+            "type":"DWRR",
+            "weight": "20"
+        }
+    },
+    "PFC_PRIORITY_TO_PRIORITY_GROUP_MAP": {
+    	"AZURE": {
+		    "0": "0",
+		    "1": "1",
+		    "3": "3",
+		    "4": "4"
+		}
+	},
+    "PORT_QOS_MAP": {
+        "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124": {
+            "dscp_to_tc_map"  : "[DSCP_TO_TC_MAP|AZURE]",
+            "tc_to_queue_map" : "[TC_TO_QUEUE_MAP|AZURE]",
+            "tc_to_pg_map"    : "[TC_TO_PRIORITY_GROUP_MAP|AZURE]",
+            "pfc_to_queue_map": "[MAP_PFC_PRIORITY_TO_QUEUE|AZURE]",
+            "pfc_to_pg_map"   : "[PFC_PRIORITY_TO_PRIORITY_GROUP_MAP|AZURE]",
+            "pfc_enable": "3,4"
+        }
+    },
+    "WRED_PROFILE": {
+        "AZURE_LOSSY": {
+            "wred_green_enable":"true",
+            "wred_yellow_enable":"true",
+            "ecn":"ecn_all",
+            "red_max_threshold":"512000",
+            "red_min_threshold":"512000",
+            "yellow_max_threshold":"512000",
+            "yellow_min_threshold":"512000",
+            "green_max_threshold": "184320",
+            "green_min_threshold": "184320"
+        },
+        "AZURE_LOSSLESS": {
+            "wred_green_enable":"true",
+            "wred_yellow_enable":"true",
+            "ecn":"ecn_all",
+            "red_max_threshold":"512000",
+            "red_min_threshold":"512000",
+            "yellow_max_threshold":"512000",
+            "yellow_min_threshold":"512000",
+            "green_max_threshold": "184320",
+            "green_min_threshold": "184320"
+        }
+    },
+    "QUEUE": {
+        "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124|0": {
+            "scheduler"     :   "[SCHEDULER|scheduler.1]"
+        },
+        "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124|1": {
+            "scheduler"     :   "[SCHEDULER|scheduler.2]"
+        },
+        "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124|0-1": {
+            "wred_profile"  :   "[WRED_PROFILE|AZURE_LOSSY]"
+        },
+        "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124|3-4": {
+            "scheduler"     :   "[SCHEDULER|scheduler.0]",
+            "wred_profile"  :   "[WRED_PROFILE|AZURE_LOSSLESS]"
+        }
+    }
+}
+
diff --git a/device/mellanox/x86_64-mlnx_msn2740-r0/qos.json b/device/mellanox/x86_64-mlnx_msn2740-r0/qos.json
new file mode 120000
index 000000000000..5597a7c64879
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn2740-r0/qos.json
@@ -0,0 +1 @@
+../x86_64-mlnx_msn2700-r0/qos.json
\ No newline at end of file
diff --git a/files/image_config/platform/rc.local b/files/image_config/platform/rc.local
index f4dd9cb3ad78..00a56e9f1fe1 100755
--- a/files/image_config/platform/rc.local
+++ b/files/image_config/platform/rc.local
@@ -97,6 +97,11 @@ if [ -f /host/image-$sonic_version/platform/firsttime ]; then
         sonic-cfggen -a '{"DEVICE_METADATA":{"localhost": {"mac": "'$SYSTEM_MAC_ADDRESS'"}}}' --print-data > /etc/sonic/init_cfg.json
     fi
 
+    if [ -f /usr/share/sonic/device/$platform/qos.json ]; then
+        sonic-cfggen -j /etc/sonic/init_cfg.json -j /usr/share/sonic/device/$platform/qos.json --print-data > /tmp/init_cfg.json
+        mv /tmp/init_cfg.json /etc/sonic/init_cfg.json
+    fi
+
     # Try to take old configuration saved during installation
     if test_config; then
         rm -f /host/old_config/sonic_version.yml