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 e0aca4f8dd8b..6719911b29e5 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
@@ -145,7 +145,7 @@
             "4": "4",
             "5": "0",
             "6": "6",
-            "7": "7",
+            "7": "0",
             "8": "0"
         },
         "AZURE_TUNNEL": {
diff --git a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-C64/buffers_defaults_t1.j2 b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-C64/buffers_defaults_t1.j2
index c5d390668a33..469f5fc4001a 100644
--- a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-C64/buffers_defaults_t1.j2
+++ b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-C64/buffers_defaults_t1.j2
@@ -55,8 +55,12 @@
     },
 {%- endmacro %}
 
-{% import 'buffers_extra_queues.j2' as defs with context %}
+{% import 'buffers_extra_queues.j2' as defs1 with context %}
+{% import 'buffers_extra_pgs.j2' as defs2 with context %}
 
 {%- macro generate_queue_buffers_with_extra_lossless_queues(port_names, port_names_require_extra_buffer) %}
-{{ defs.generate_queue_buffers_with_extra_lossless_queues(port_names, port_names_require_extra_buffer) }}
+{{ defs1.generate_queue_buffers_with_extra_lossless_queues(port_names, port_names_require_extra_buffer) }}
+{%- endmacro %}
+{%- macro generate_pg_buffers_with_extra_lossy_pgs(port_names, port_names_require_no_extra_pgs) %}
+{{ defs2.generate_pg_buffers_with_extra_lossy_pgs(port_names, port_names_require_no_extra_pgs) }}
 {%- endmacro %}
diff --git a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-C64/buffers_extra_pgs.j2 b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-C64/buffers_extra_pgs.j2
new file mode 100644
index 000000000000..73c1c1a9b30e
--- /dev/null
+++ b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-C64/buffers_extra_pgs.j2
@@ -0,0 +1,20 @@
+{% if DEVICE_METADATA is defined and 'type' in DEVICE_METADATA['localhost'] and DEVICE_METADATA['localhost']['type'] == 'LeafRouter' %}
+{%- macro generate_pg_buffers_with_extra_lossy_pgs(port_names, port_names_require_no_extra_pg) %}
+    "BUFFER_PG": {
+{% for port in port_names.split(',') %}
+{% if port not in port_names_require_no_extra_pg.split(',') %}
+        "{{ port }}|2": {
+            "profile" : "ingress_lossy_profile"
+        },
+        "{{ port }}|6": {
+            "profile" : "ingress_lossy_profile"
+        },
+{% endif %}
+        "{{ port }}|0": {
+            "profile" : "ingress_lossy_profile"
+        }{% if not loop.last %},{% endif %}
+
+{% endfor %}
+    },
+{% endmacro %}
+{% endif %}
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 4d82382817cb..cb3ad17faa39 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
@@ -79,7 +79,7 @@
             "4": "4",
             "5": "0",
             "6": "6",
-            "7": "7"
+            "7": "0"
         }
     },
 {%- endmacro %}
@@ -230,7 +230,7 @@
             "4": "4",
             "5": "0",
             "6": "6",
-            "7": "7",
+            "7": "0",
             "8": "0"
         },
         "AZURE_TUNNEL": {
diff --git a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/buffers_defaults_t1.j2 b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/buffers_defaults_t1.j2
index f531b5e208e9..c73fde73562b 100644
--- a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/buffers_defaults_t1.j2
+++ b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/buffers_defaults_t1.j2
@@ -49,8 +49,12 @@
     },
 {%- endmacro %}
 
-{% import 'buffers_extra_queues.j2' as defs with context %}
+{% import 'buffers_extra_queues.j2' as defs1 with context %}
+{% import 'buffers_extra_pgs.j2' as defs2 with context %}
 
 {%- macro generate_queue_buffers_with_extra_lossless_queues(port_names, port_names_require_extra_buffer) %}
-{{ defs.generate_queue_buffers_with_extra_lossless_queues(port_names, port_names_require_extra_buffer) }}
+{{ defs1.generate_queue_buffers_with_extra_lossless_queues(port_names, port_names_require_extra_buffer) }}
+{%- endmacro %}
+{%- macro generate_pg_buffers_with_extra_lossy_pgs(port_names, port_names_require_no_extra_pgs) %}
+{{ defs2.generate_pg_buffers_with_extra_lossy_pgs(port_names, port_names_require_no_extra_pgs) }}
 {%- endmacro %}
diff --git a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/buffers_extra_pgs.j2 b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/buffers_extra_pgs.j2
new file mode 120000
index 000000000000..7dfb03cbc9d0
--- /dev/null
+++ b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/buffers_extra_pgs.j2
@@ -0,0 +1 @@
+../Arista-7260CX3-C64/buffers_extra_pgs.j2
\ No newline at end of file
diff --git a/files/build_templates/buffers_config.j2 b/files/build_templates/buffers_config.j2
index 814e470d0211..f03a7f9f63e3 100644
--- a/files/build_templates/buffers_config.j2
+++ b/files/build_templates/buffers_config.j2
@@ -172,6 +172,10 @@ def
 {{ defs.generate_pg_profils(port_names_active) }}
 {% elif defs.generate_pg_profiles_with_inactive_ports is defined %}
 {{ defs.generate_pg_profiles_with_inactive_ports(port_names_active, port_names_inactive) }},
+{% elif (defs.generate_pg_buffers_with_extra_lossy_pgs is defined) and (port_names_extra_queues != '') %}
+{{ defs.generate_pg_buffers_with_extra_lossy_pgs(port_names_active, port_names_extra_queues) }}
+{% elif (defs.generate_pg_buffers_with_extra_lossy_pgs_with_inactive_ports is defined) and (port_names_extra_queues != '') %}
+{{ defs.generate_pg_buffers_with_extra_lossy_pgs_with_inactive_ports(port_names_active, port_names_extra_queues, port_names_inactive) }}
 {% else %}
     "BUFFER_PG": {
 {% for port in PORT_ACTIVE %}
diff --git a/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7260-t1.json b/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7260-t1.json
index 702076249ac6..1ce8a99e4fb7 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7260-t1.json
+++ b/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7260-t1.json
@@ -112,9 +112,21 @@
         "Ethernet0|0": {
             "profile" : "ingress_lossy_profile"
         },
+        "Ethernet0|2": {
+            "profile" : "ingress_lossy_profile"
+        },
+        "Ethernet0|6": {
+            "profile" : "ingress_lossy_profile"
+        },
         "Ethernet4|0": {
             "profile" : "ingress_lossy_profile"
         },
+        "Ethernet4|2": {
+            "profile" : "ingress_lossy_profile"
+        },
+        "Ethernet4|6": {
+            "profile" : "ingress_lossy_profile"
+        },
         "Ethernet144|0": {
             "profile" : "ingress_lossy_profile"
         },
@@ -124,9 +136,21 @@
         "Ethernet16|0": {
             "profile" : "ingress_lossy_profile"
         },
+        "Ethernet16|2": {
+            "profile" : "ingress_lossy_profile"
+        },
+        "Ethernet16|6": {
+            "profile" : "ingress_lossy_profile"
+        },
         "Ethernet20|0": {
             "profile" : "ingress_lossy_profile"
         },
+        "Ethernet20|2": {
+            "profile" : "ingress_lossy_profile"
+        },
+        "Ethernet20|6": {
+            "profile" : "ingress_lossy_profile"
+        },
         "Ethernet152|0": {
             "profile" : "ingress_lossy_profile"
         },
@@ -136,9 +160,21 @@
         "Ethernet64|0": {
             "profile" : "ingress_lossy_profile"
         },
+        "Ethernet64|2": {
+            "profile" : "ingress_lossy_profile"
+        },
+        "Ethernet64|6": {
+            "profile" : "ingress_lossy_profile"
+        },
         "Ethernet68|0": {
             "profile" : "ingress_lossy_profile"
         },
+        "Ethernet68|2": {
+            "profile" : "ingress_lossy_profile"
+        },
+        "Ethernet68|6": {
+            "profile" : "ingress_lossy_profile"
+        },
         "Ethernet168|0": {
             "profile" : "ingress_lossy_profile"
         },
@@ -148,9 +184,21 @@
         "Ethernet80|0": {
             "profile" : "ingress_lossy_profile"
         },
+        "Ethernet80|2": {
+            "profile" : "ingress_lossy_profile"
+        },
+        "Ethernet80|6": {
+            "profile" : "ingress_lossy_profile"
+        },
         "Ethernet84|0": {
             "profile" : "ingress_lossy_profile"
         },
+        "Ethernet84|2": {
+            "profile" : "ingress_lossy_profile"
+        },
+        "Ethernet84|6": {
+            "profile" : "ingress_lossy_profile"
+        },
         "Ethernet180|0": {
             "profile" : "ingress_lossy_profile"
         },
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 a48656d57c0c..8e1d376f19db 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
@@ -178,7 +178,7 @@
             "4": "4",
             "5": "0",
             "6": "6",
-            "7": "7",
+            "7": "0",
             "8": "0"
         },
         "AZURE_TUNNEL": {
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 cad403c93d2e..85339be6d10d 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
@@ -178,7 +178,7 @@
             "4": "4",
             "5": "0",
             "6": "6",
-            "7": "7",
+            "7": "0",
             "8": "0"
         },
         "AZURE_TUNNEL": {
diff --git a/src/sonic-config-engine/tests/sample_output/py3/qos-arista7260-t1.json b/src/sonic-config-engine/tests/sample_output/py3/qos-arista7260-t1.json
index f850e3285bef..eff232ab179d 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/qos-arista7260-t1.json
+++ b/src/sonic-config-engine/tests/sample_output/py3/qos-arista7260-t1.json
@@ -100,7 +100,7 @@
             "4": "4",
             "5": "0",
             "6": "6",
-            "7": "7"
+            "7": "0"
         }
     },
     "SCHEDULER": {