diff --git a/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/qos.json.j2 b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/qos.json.j2
index 04fddf486ace..413bd575413c 100644
--- a/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/qos.json.j2
+++ b/device/arista/x86_64-arista_7050cx3_32s/Arista-7050CX3-32S-D48C8/qos.json.j2
@@ -66,6 +66,72 @@
             "61": "1",
             "62": "1",
             "63": "1"
+        },
+    "AZURE_TUNNEL": {
+            "0" : "1",
+            "1" : "1",
+            "2" : "1",
+            "3" : "3",
+            "4" : "4",
+            "5" : "1",
+            "6" : "1",
+            "7" : "1",
+            "8" : "0",
+            "9" : "1",
+            "10": "1",
+            "11": "1",
+            "12": "1",
+            "13": "1",
+            "14": "1",
+            "15": "1",
+            "16": "1",
+            "17": "1",
+            "18": "1",
+            "19": "1",
+            "20": "1",
+            "21": "1",
+            "22": "1",
+            "23": "1",
+            "24": "1",
+            "25": "1",
+            "26": "1",
+            "27": "1",
+            "28": "1",
+            "29": "1",
+            "30": "1",
+            "31": "1",
+            "32": "1",
+            "33": "2",
+            "34": "1",
+            "35": "1",
+            "36": "1",
+            "37": "1",
+            "38": "1",
+            "39": "1",
+            "40": "1",
+            "41": "1",
+            "42": "1",
+            "43": "1",
+            "44": "1",
+            "45": "1",
+            "46": "5",
+            "47": "1",
+            "48": "7",
+            "49": "1",
+            "50": "1",
+            "51": "1",
+            "52": "1",
+            "53": "1",
+            "54": "1",
+            "55": "1",
+            "56": "1",
+            "57": "1",
+            "58": "1",
+            "59": "1",
+            "60": "1",
+            "61": "1",
+            "62": "1",
+            "63": "1"
         }
     },
 {%- endmacro %}
@@ -80,6 +146,16 @@
             "5": "0",
             "6": "0",
             "7": "7"
+        },
+        "AZURE_TUNNEL": {
+            "0": "0",
+            "1": "0",
+            "2": "0",
+            "3": "2",
+            "4": "6",
+            "5": "0",
+            "6": "0",
+            "7": "0"
         }
     },
 {%- endmacro %}
@@ -94,6 +170,30 @@
             "5": "5",
             "6": "6",
             "7": "7"
+        },
+        "AZURE_TUNNEL": {
+            "0": "0",
+            "1": "1",
+            "2": "1",
+            "3": "2",
+            "4": "6",
+            "5": "5",
+            "6": "1",
+            "7": "7"
+        }
+    },
+{%- endmacro %}
+{%- macro generate_tc_to_dscp_map() %}
+    "TC_TO_DSCP_MAP": {
+        "AZURE_TUNNEL": {
+            "0": "8",
+            "1": "0",
+            "2": "33",
+            "3": "2",
+            "4": "6",
+            "5": "46",
+            "6": "0",
+            "7": "48"
         }
     },
 {%- endmacro %}
diff --git a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-C64/qos.json.j2 b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-C64/qos.json.j2
index 4178efbcb7aa..27f6b531cb08 100644
--- a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-C64/qos.json.j2
+++ b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-C64/qos.json.j2
@@ -151,6 +151,72 @@
             "61": "1",
             "62": "1",
             "63": "1"
+        },
+        "AZURE_TUNNEL": {
+            "0" : "1",
+            "1" : "1",
+            "2" : "1",
+            "3" : "3",
+            "4" : "4",
+            "5" : "1",
+            "6" : "1",
+            "7" : "1",
+            "8" : "0",
+            "9" : "1",
+            "10": "1",
+            "11": "1",
+            "12": "1",
+            "13": "1",
+            "14": "1",
+            "15": "1",
+            "16": "1",
+            "17": "1",
+            "18": "1",
+            "19": "1",
+            "20": "1",
+            "21": "1",
+            "22": "1",
+            "23": "1",
+            "24": "1",
+            "25": "1",
+            "26": "1",
+            "27": "1",
+            "28": "1",
+            "29": "1",
+            "30": "1",
+            "31": "1",
+            "32": "1",
+            "33": "2",
+            "34": "1",
+            "35": "1",
+            "36": "1",
+            "37": "1",
+            "38": "1",
+            "39": "1",
+            "40": "1",
+            "41": "1",
+            "42": "1",
+            "43": "1",
+            "44": "1",
+            "45": "1",
+            "46": "5",
+            "47": "1",
+            "48": "7",
+            "49": "1",
+            "50": "1",
+            "51": "1",
+            "52": "1",
+            "53": "1",
+            "54": "1",
+            "55": "1",
+            "56": "1",
+            "57": "1",
+            "58": "1",
+            "59": "1",
+            "60": "1",
+            "61": "1",
+            "62": "1",
+            "63": "1"
         }
     },
 {%- endmacro %}
@@ -165,6 +231,16 @@
             "5": "0",
             "6": "0",
             "7": "7"
+        },
+        "AZURE_TUNNEL": {
+            "0": "0",
+            "1": "0",
+            "2": "0",
+            "3": "2",
+            "4": "6",
+            "5": "0",
+            "6": "0",
+            "7": "0"
         }
     },
 {%- endmacro %}
@@ -173,12 +249,36 @@
         "AZURE": {
             "0": "0",
             "1": "1",
-            "2": "1",  
+            "2": "1",
             "3": "3",
             "4": "4",
             "5": "5",
             "6": "6",
             "7": "7"
+        },
+        "AZURE_TUNNEL": {
+            "0": "0",
+            "1": "1",
+            "2": "1",
+            "3": "2",
+            "4": "6",
+            "5": "5",
+            "6": "1",
+            "7": "7"
+        }
+    },
+{%- endmacro %}
+{%- macro generate_tc_to_dscp_map() %}
+    "TC_TO_DSCP_MAP": {
+        "AZURE_TUNNEL": {
+            "0": "8",
+            "1": "0",
+            "2": "33",
+            "3": "2",
+            "4": "6",
+            "5": "46",
+            "6": "0",
+            "7": "48"
         }
     },
 {%- endmacro %}
diff --git a/files/build_templates/qos_config.j2 b/files/build_templates/qos_config.j2
index 9df061283034..4062755827ab 100644
--- a/files/build_templates/qos_config.j2
+++ b/files/build_templates/qos_config.j2
@@ -172,6 +172,9 @@
         }
     },
 {% endif %}
+{% if generate_tc_to_dscp_map is defined %}
+    {{- generate_tc_to_dscp_map() }}
+{% endif %}
 {% if 'resource_type' in DEVICE_METADATA['localhost'] and DEVICE_METADATA['localhost']['resource_type'] in apollo_resource_types %}
     "SCHEDULER": {
         "scheduler.0": {
diff --git a/src/sonic-config-engine/tests/sample_output/py3/qos-arista7050cx3-dualtor.json b/src/sonic-config-engine/tests/sample_output/py3/qos-arista7050cx3-dualtor.json
index 84a2613df90d..dbab298bb76a 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/qos-arista7050cx3-dualtor.json
+++ b/src/sonic-config-engine/tests/sample_output/py3/qos-arista7050cx3-dualtor.json
@@ -21,6 +21,16 @@
             "5": "5",
             "6": "6",
             "7": "7"
+        },
+        "AZURE_TUNNEL": {
+            "0": "0",
+            "1": "1",
+            "2": "1",
+            "3": "2",
+            "4": "6",
+            "5": "5",
+            "6": "1",
+            "7": "7"
         }
     },
     "DSCP_TO_TC_MAP": {
@@ -89,6 +99,72 @@
             "61": "1",
             "62": "1",
             "63": "1"
+        },
+        "AZURE_TUNNEL": {
+            "0" : "1",
+            "1" : "1",
+            "2" : "1",
+            "3" : "3",
+            "4" : "4",
+            "5" : "1",
+            "6" : "1",
+            "7" : "1",
+            "8" : "0",
+            "9" : "1",
+            "10": "1",
+            "11": "1",
+            "12": "1",
+            "13": "1",
+            "14": "1",
+            "15": "1",
+            "16": "1",
+            "17": "1",
+            "18": "1",
+            "19": "1",
+            "20": "1",
+            "21": "1",
+            "22": "1",
+            "23": "1",
+            "24": "1",
+            "25": "1",
+            "26": "1",
+            "27": "1",
+            "28": "1",
+            "29": "1",
+            "30": "1",
+            "31": "1",
+            "32": "1",
+            "33": "2",
+            "34": "1",
+            "35": "1",
+            "36": "1",
+            "37": "1",
+            "38": "1",
+            "39": "1",
+            "40": "1",
+            "41": "1",
+            "42": "1",
+            "43": "1",
+            "44": "1",
+            "45": "1",
+            "46": "5",
+            "47": "1",
+            "48": "7",
+            "49": "1",
+            "50": "1",
+            "51": "1",
+            "52": "1",
+            "53": "1",
+            "54": "1",
+            "55": "1",
+            "56": "1",
+            "57": "1",
+            "58": "1",
+            "59": "1",
+            "60": "1",
+            "61": "1",
+            "62": "1",
+            "63": "1"
         }
     },
     "TC_TO_PRIORITY_GROUP_MAP": {
@@ -101,6 +177,28 @@
             "5": "0",
             "6": "0",
             "7": "7"
+        },
+        "AZURE_TUNNEL": {
+            "0": "0",
+            "1": "0",
+            "2": "0",
+            "3": "2",
+            "4": "6",
+            "5": "0",
+            "6": "0",
+            "7": "0"
+        }
+    },
+    "TC_TO_DSCP_MAP": {
+        "AZURE_TUNNEL": {
+            "0": "8",
+            "1": "0",
+            "2": "33",
+            "3": "2",
+            "4": "6",
+            "5": "46",
+            "6": "0",
+            "7": "48"
         }
     },
     "SCHEDULER": {
diff --git a/src/sonic-config-engine/tests/sample_output/py3/qos-arista7260-dualtor.json b/src/sonic-config-engine/tests/sample_output/py3/qos-arista7260-dualtor.json
index e8476cc0c865..41f36a273d06 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/qos-arista7260-dualtor.json
+++ b/src/sonic-config-engine/tests/sample_output/py3/qos-arista7260-dualtor.json
@@ -21,6 +21,16 @@
             "5": "5",
             "6": "6",
             "7": "7"
+        },
+        "AZURE_TUNNEL": {
+            "0": "0",
+            "1": "1",
+            "2": "1",
+            "3": "2",
+            "4": "6",
+            "5": "5",
+            "6": "1",
+            "7": "7"
         }
     },
     "DSCP_TO_TC_MAP": {
@@ -89,6 +99,72 @@
             "61": "1",
             "62": "1",
             "63": "1"
+        },
+        "AZURE_TUNNEL": {
+            "0" : "1",
+            "1" : "1",
+            "2" : "1",
+            "3" : "3",
+            "4" : "4",
+            "5" : "1",
+            "6" : "1",
+            "7" : "1",
+            "8" : "0",
+            "9" : "1",
+            "10": "1",
+            "11": "1",
+            "12": "1",
+            "13": "1",
+            "14": "1",
+            "15": "1",
+            "16": "1",
+            "17": "1",
+            "18": "1",
+            "19": "1",
+            "20": "1",
+            "21": "1",
+            "22": "1",
+            "23": "1",
+            "24": "1",
+            "25": "1",
+            "26": "1",
+            "27": "1",
+            "28": "1",
+            "29": "1",
+            "30": "1",
+            "31": "1",
+            "32": "1",
+            "33": "2",
+            "34": "1",
+            "35": "1",
+            "36": "1",
+            "37": "1",
+            "38": "1",
+            "39": "1",
+            "40": "1",
+            "41": "1",
+            "42": "1",
+            "43": "1",
+            "44": "1",
+            "45": "1",
+            "46": "5",
+            "47": "1",
+            "48": "7",
+            "49": "1",
+            "50": "1",
+            "51": "1",
+            "52": "1",
+            "53": "1",
+            "54": "1",
+            "55": "1",
+            "56": "1",
+            "57": "1",
+            "58": "1",
+            "59": "1",
+            "60": "1",
+            "61": "1",
+            "62": "1",
+            "63": "1"
         }
     },
     "TC_TO_PRIORITY_GROUP_MAP": {
@@ -101,6 +177,28 @@
             "5": "0",
             "6": "0",
             "7": "7"
+        },
+        "AZURE_TUNNEL": {
+            "0": "0",
+            "1": "0",
+            "2": "0",
+            "3": "2",
+            "4": "6",
+            "5": "0",
+            "6": "0",
+            "7": "0"
+        }
+    },
+    "TC_TO_DSCP_MAP": {
+        "AZURE_TUNNEL": {
+            "0": "8",
+            "1": "0",
+            "2": "33",
+            "3": "2",
+            "4": "6",
+            "5": "46",
+            "6": "0",
+            "7": "48"
         }
     },
     "SCHEDULER": {