diff --git a/device/mellanox/x86_64-mlnx_msn2010-r0/ACS-MSN2010/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn2010-r0/ACS-MSN2010/buffers_dynamic.json.j2
new file mode 120000
index 000000000000..8c4117c66214
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn2010-r0/ACS-MSN2010/buffers_dynamic.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn2100-r0/ACS-MSN2100/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn2100-r0/ACS-MSN2100/buffers_dynamic.json.j2
new file mode 120000
index 000000000000..8c4117c66214
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn2100-r0/ACS-MSN2100/buffers_dynamic.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn2410-r0/ACS-MSN2410/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn2410-r0/ACS-MSN2410/buffers_dynamic.json.j2
new file mode 120000
index 000000000000..8c4117c66214
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn2410-r0/ACS-MSN2410/buffers_dynamic.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_defaults_t0.j2
index b8f7d070919d..d0bce94ba51d 100644
--- a/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_defaults_t0.j2
+++ b/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_defaults_t0.j2
@@ -14,12 +14,16 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
         "ingress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossy_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -29,7 +33,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_defaults_t1.j2 b/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_defaults_t1.j2
index a8d32205607e..5514c47a4090 100644
--- a/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_defaults_t1.j2
+++ b/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_defaults_t1.j2
@@ -14,12 +14,16 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
         "ingress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossy_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -29,7 +33,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
new file mode 100644
index 000000000000..5954cc77c114
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
@@ -0,0 +1,3 @@
+{%- set default_topo = 't0' %}
+{%- set dynamic_mode = 'true' %}
+{%- include 'buffers_config.j2' %}
diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-C28D8/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-C28D8/buffers_dynamic.json.j2
new file mode 120000
index 000000000000..8c4117c66214
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-C28D8/buffers_dynamic.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D48C8/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D48C8/buffers_defaults_t0.j2
index f52b369bbbdf..0ad78e08c6b5 100644
--- a/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D48C8/buffers_defaults_t0.j2
+++ b/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D48C8/buffers_defaults_t0.j2
@@ -13,7 +13,9 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -23,7 +25,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D48C8/buffers_defaults_t1.j2 b/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D48C8/buffers_defaults_t1.j2
index cd9e4aed3011..82f6a15b33c8 100644
--- a/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D48C8/buffers_defaults_t1.j2
+++ b/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D48C8/buffers_defaults_t1.j2
@@ -13,7 +13,9 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -23,7 +25,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D48C8/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D48C8/buffers_dynamic.json.j2
new file mode 120000
index 000000000000..8c4117c66214
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D48C8/buffers_dynamic.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700/buffers_defaults_t0.j2
index 012d77dbe479..41afd1f22444 100644
--- a/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700/buffers_defaults_t0.j2
+++ b/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700/buffers_defaults_t0.j2
@@ -13,7 +13,9 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -23,7 +25,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700/buffers_defaults_t1.j2 b/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700/buffers_defaults_t1.j2
index de8c3a561919..08e21ba05f75 100644
--- a/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700/buffers_defaults_t1.j2
+++ b/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700/buffers_defaults_t1.j2
@@ -13,7 +13,9 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -23,7 +25,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700/buffers_dynamic.json.j2
new file mode 120000
index 000000000000..8c4117c66214
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700/buffers_dynamic.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn2740-r0/ACS-MSN2740/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn2740-r0/ACS-MSN2740/buffers_dynamic.json.j2
new file mode 120000
index 000000000000..8c4117c66214
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn2740-r0/ACS-MSN2740/buffers_dynamic.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn3420-r0/ACS-MSN3420/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn3420-r0/ACS-MSN3420/buffers_dynamic.json.j2
new file mode 120000
index 000000000000..8c4117c66214
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3420-r0/ACS-MSN3420/buffers_dynamic.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t0.j2
index 959cc8359be4..035a14177705 100644
--- a/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t0.j2
+++ b/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t0.j2
@@ -14,12 +14,16 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
         "ingress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossy_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -29,7 +33,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t1.j2 b/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t1.j2
index cef78f34b4f4..1032b455b8f1 100644
--- a/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t1.j2
+++ b/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t1.j2
@@ -14,12 +14,16 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
         "ingress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossy_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -29,7 +33,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_dynamic.json.j2
new file mode 120000
index 000000000000..8c4117c66214
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_dynamic.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn3700c-r0/ACS-MSN3700C/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn3700c-r0/ACS-MSN3700C/buffers_dynamic.json.j2
new file mode 120000
index 000000000000..8c4117c66214
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3700c-r0/ACS-MSN3700C/buffers_dynamic.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t0.j2
index bd8e1c8bb794..b83e142448d6 100644
--- a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t0.j2
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t0.j2
@@ -14,12 +14,16 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
         "ingress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossy_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -29,7 +33,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t1.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t1.j2
index 6e7b6b359189..abcab930c63e 100644
--- a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t1.j2
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_defaults_t1.j2
@@ -14,12 +14,16 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
         "ingress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossy_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -29,7 +33,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_dynamic.json.j2
new file mode 120000
index 000000000000..8c4117c66214
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/ACS-MSN3800/buffers_dynamic.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-C64/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-C64/buffers_defaults_t0.j2
index 33c89f0e8e75..2bc09d9ccc83 100644
--- a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-C64/buffers_defaults_t0.j2
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-C64/buffers_defaults_t0.j2
@@ -13,7 +13,9 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -23,7 +25,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-C64/buffers_defaults_t1.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-C64/buffers_defaults_t1.j2
index 3347e2abffa5..531f1587ba7a 100644
--- a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-C64/buffers_defaults_t1.j2
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-C64/buffers_defaults_t1.j2
@@ -13,7 +13,9 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -23,7 +25,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-C64/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-C64/buffers_dynamic.json.j2
new file mode 120000
index 000000000000..8c4117c66214
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-C64/buffers_dynamic.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D112C8/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D112C8/buffers_defaults_t0.j2
index 009f1d5ef5cc..26e89cf269ff 100644
--- a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D112C8/buffers_defaults_t0.j2
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D112C8/buffers_defaults_t0.j2
@@ -13,7 +13,9 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -23,7 +25,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D112C8/buffers_defaults_t1.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D112C8/buffers_defaults_t1.j2
index ae340eb2e6e2..31fd4c7692dd 100644
--- a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D112C8/buffers_defaults_t1.j2
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D112C8/buffers_defaults_t1.j2
@@ -13,7 +13,9 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -23,7 +25,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D112C8/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D112C8/buffers_dynamic.json.j2
new file mode 120000
index 000000000000..8c4117c66214
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D112C8/buffers_dynamic.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D24C52/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D24C52/buffers_defaults_t0.j2
index 3edc53505912..edccf5e652bc 100644
--- a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D24C52/buffers_defaults_t0.j2
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D24C52/buffers_defaults_t0.j2
@@ -13,7 +13,9 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -23,7 +25,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D24C52/buffers_defaults_t1.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D24C52/buffers_defaults_t1.j2
index c946d5ae9631..90f626db6a52 100644
--- a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D24C52/buffers_defaults_t1.j2
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D24C52/buffers_defaults_t1.j2
@@ -13,7 +13,9 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -23,7 +25,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D24C52/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D24C52/buffers_dynamic.json.j2
new file mode 120000
index 000000000000..8c4117c66214
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D24C52/buffers_dynamic.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D28C50/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D28C50/buffers_defaults_t0.j2
index 19df7a7e066f..e732ff1a3d65 100644
--- a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D28C50/buffers_defaults_t0.j2
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D28C50/buffers_defaults_t0.j2
@@ -13,7 +13,9 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -23,7 +25,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D28C50/buffers_defaults_t1.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D28C50/buffers_defaults_t1.j2
index 40768657a4e4..a6556db59587 100644
--- a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D28C50/buffers_defaults_t1.j2
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D28C50/buffers_defaults_t1.j2
@@ -13,7 +13,9 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -23,7 +25,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D28C50/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D28C50/buffers_dynamic.json.j2
new file mode 120000
index 000000000000..8c4117c66214
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/Mellanox-SN3800-D28C50/buffers_dynamic.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn3800-r0/port_peripheral_config.j2 b/device/mellanox/x86_64-mlnx_msn3800-r0/port_peripheral_config.j2
new file mode 100644
index 000000000000..8d201517ed62
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn3800-r0/port_peripheral_config.j2
@@ -0,0 +1,10 @@
+[
+{%- include 'peripheral_table.j2' %}
+,
+{
+    "PORT_PERIPHERAL_TABLE:global": {
+        "gearbox_model": "MELLANOX-GEARBOX-1"
+    },
+    "OP": "SET"
+}
+]
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/buffers_dynamic.json.j2
new file mode 120000
index 000000000000..8c4117c66214
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/ACS-MSN4600C/buffers_dynamic.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/Mellanox-SN4600C-D112C8/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn4600c-r0/Mellanox-SN4600C-D112C8/buffers_defaults_t0.j2
index 5622c0cbef29..33df493e117e 100644
--- a/device/mellanox/x86_64-mlnx_msn4600c-r0/Mellanox-SN4600C-D112C8/buffers_defaults_t0.j2
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/Mellanox-SN4600C-D112C8/buffers_defaults_t0.j2
@@ -13,7 +13,9 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -23,7 +25,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/Mellanox-SN4600C-D112C8/buffers_defaults_t1.j2 b/device/mellanox/x86_64-mlnx_msn4600c-r0/Mellanox-SN4600C-D112C8/buffers_defaults_t1.j2
index 186b965f1ee4..7b6e6fdf3883 100644
--- a/device/mellanox/x86_64-mlnx_msn4600c-r0/Mellanox-SN4600C-D112C8/buffers_defaults_t1.j2
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/Mellanox-SN4600C-D112C8/buffers_defaults_t1.j2
@@ -13,7 +13,9 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -23,7 +25,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn4600c-r0/Mellanox-SN4600C-D112C8/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn4600c-r0/Mellanox-SN4600C-D112C8/buffers_dynamic.json.j2
new file mode 120000
index 000000000000..8c4117c66214
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4600c-r0/Mellanox-SN4600C-D112C8/buffers_dynamic.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
\ No newline at end of file
diff --git a/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_defaults_t0.j2
index 506107f47760..c115d141e152 100644
--- a/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_defaults_t0.j2
+++ b/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_defaults_t0.j2
@@ -14,12 +14,16 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
         "ingress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossy_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -29,7 +33,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_defaults_t1.j2 b/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_defaults_t1.j2
index b025ea275ba8..0550c6dd3103 100644
--- a/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_defaults_t1.j2
+++ b/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_defaults_t1.j2
@@ -14,12 +14,16 @@
 {%- macro generate_buffer_pool_and_profiles() %}
     "BUFFER_POOL": {
         "ingress_lossless_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossless_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
         "ingress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ ingress_lossy_pool_size }}",
+            {%- endif %}
             "type": "ingress",
             "mode": "dynamic"
         },
@@ -29,7 +33,9 @@
             "mode": "dynamic"
         },
         "egress_lossy_pool": {
+            {%- if dynamic_mode is not defined %}
             "size": "{{ egress_lossy_pool_size }}",
+            {%- endif %}
             "type": "egress",
             "mode": "dynamic"
         }
diff --git a/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_dynamic.json.j2 b/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_dynamic.json.j2
new file mode 120000
index 000000000000..8c4117c66214
--- /dev/null
+++ b/device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/buffers_dynamic.json.j2
@@ -0,0 +1 @@
+../../x86_64-mlnx_msn2700-r0/ACS-MSN2700/buffers_dynamic.json.j2
\ No newline at end of file
diff --git a/dockers/docker-orchagent/Dockerfile.j2 b/dockers/docker-orchagent/Dockerfile.j2
index a5f25d2b78b7..00728c1c127e 100755
--- a/dockers/docker-orchagent/Dockerfile.j2
+++ b/dockers/docker-orchagent/Dockerfile.j2
@@ -71,7 +71,7 @@ COPY ["files/arp_update", "/usr/bin"]
 COPY ["arp_update.conf", "files/arp_update_vars.j2", "/usr/share/sonic/templates/"]
 COPY ["ndppd.conf", "/usr/share/sonic/templates/"]
 COPY ["enable_counters.py", "/usr/bin"]
-COPY ["docker-init.sh", "orchagent.sh", "swssconfig.sh", "/usr/bin/"]
+COPY ["docker-init.sh", "orchagent.sh", "swssconfig.sh", "buffermgrd.sh", "/usr/bin/"]
 COPY ["supervisord.conf", "/etc/supervisor/conf.d/"]
 COPY ["files/supervisor-proc-exit-listener", "/usr/bin"]
 COPY ["critical_processes", "/etc/supervisor/"]
diff --git a/dockers/docker-orchagent/buffermgrd.sh b/dockers/docker-orchagent/buffermgrd.sh
new file mode 100755
index 000000000000..1d09cfc7d6ee
--- /dev/null
+++ b/dockers/docker-orchagent/buffermgrd.sh
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+BUFFER_CALCULATION_MODE=$(redis-cli -n 4 hget "DEVICE_METADATA|localhost" buffer_model)
+
+if [ "$BUFFER_CALCULATION_MODE" == "dynamic" ]; then
+    if [ -f /etc/sonic/peripheral_table.json ]; then
+        BUFFERMGRD_ARGS="-a /etc/sonic/asic_table.json -p /etc/sonic/peripheral_table.json"
+    else
+        BUFFERMGRD_ARGS="-a /etc/sonic/asic_table.json"
+    fi
+else
+    # Should we use the fallback MAC in case it is not found in Device.Metadata
+    BUFFERMGRD_ARGS="-l /usr/share/sonic/hwsku/pg_profile_lookup.ini"
+fi
+
+exec /usr/bin/buffermgrd ${BUFFERMGRD_ARGS}
diff --git a/dockers/docker-orchagent/supervisord.conf b/dockers/docker-orchagent/supervisord.conf
index 8a942d8549c0..4d60606a8104 100644
--- a/dockers/docker-orchagent/supervisord.conf
+++ b/dockers/docker-orchagent/supervisord.conf
@@ -136,7 +136,7 @@ dependent_startup=true
 dependent_startup_wait_for=swssconfig:exited
 
 [program:buffermgrd]
-command=/usr/bin/buffermgrd -l /usr/share/sonic/hwsku/pg_profile_lookup.ini
+command=/usr/bin/buffermgrd.sh
 priority=11
 autostart=false
 autorestart=false
diff --git a/files/build_templates/buffers_config.j2 b/files/build_templates/buffers_config.j2
index c741c6ea364e..5f6aab7bbfb2 100644
--- a/files/build_templates/buffers_config.j2
+++ b/files/build_templates/buffers_config.j2
@@ -22,7 +22,7 @@ def
 {%- endif -%}
 
 {# Import default values from device HWSKU folder #}
-{%- import 'buffers_defaults_%s.j2' % filename_postfix as defs %}
+{%- import 'buffers_defaults_%s.j2' % filename_postfix as defs with context %}
 
 {%- set default_cable = defs.default_cable -%}
 
@@ -142,6 +142,11 @@ def
 {% else %}
     "BUFFER_PG": {
 {% for port in PORT_ACTIVE %}
+{% if dynamic_mode is defined %}
+        "{{ port }}|3-4": {
+            "profile" : "NULL"
+        },
+{% endif %}
         "{{ port }}|0": {
             "profile" : "[BUFFER_PROFILE|ingress_lossy_profile]"
         }{% if not loop.last %},{% endif %}
@@ -172,4 +177,16 @@ def
 {% endfor %}
     }
 {% endif %}
+,
+    "DEFAULT_LOSSLESS_BUFFER_PARAMETER": {
+        "AZURE": {
+            "default_dynamic_th": "0"
+        }
+    },
+    "LOSSLESS_TRAFFIC_PATTERN": {
+        "AZURE": {
+            "mtu": "1024",
+            "small_packet_percentage": "100"
+        }
+    }
 }
diff --git a/files/build_templates/docker_image_ctl.j2 b/files/build_templates/docker_image_ctl.j2
index 477fd897bff5..6d433c83be09 100644
--- a/files/build_templates/docker_image_ctl.j2
+++ b/files/build_templates/docker_image_ctl.j2
@@ -83,6 +83,13 @@ function preStartAction()
     fi
 {%- elif docker_container_name == "snmp" %}
     $SONIC_DB_CLI STATE_DB HSET 'DEVICE_METADATA|localhost' chassis_serial_number $(decode-syseeprom -s)
+{%- elif docker_container_name == "swss" %}
+    if [ ! -f /etc/sonic/asic_table.json ] && [ -f /usr/share/sonic/templates/asic_table.j2 ]; then
+        sonic-cfggen -d -t /usr/share/sonic/templates/asic_table.j2 > /etc/sonic/asic_table.json
+    fi
+    if [ ! -f /etc/sonic/peripheral_table.json ] && [ -f /usr/share/sonic/device/$PLATFORM/port_peripheral_config.j2 ]; then
+        sonic-cfggen -d -t /usr/share/sonic/device/$PLATFORM/port_peripheral_config.j2 > /etc/sonic/peripheral_table.json
+    fi
 {%- else %}
     : # nothing
 {%- endif %}
@@ -243,6 +250,11 @@ start() {
     echo "Creating new ${DOCKERNAME} container with HWSKU $HWSKU"
     {%- endif %}
 
+    {%- if docker_container_name == "swss" %}
+    # Obtain the vendor name
+    ASIC_VENDOR=`$SONIC_CFGGEN -y /etc/sonic/sonic_version.yml -v asic_type`
+    {%- endif %}
+
     # In Multi ASIC platforms the global database config file database_global.json will exist.
     # Parse the file and get the include path for the database_config.json files used in
     # various namesapces. The database_config paths are relative to the DIR of SONIC_DB_GLOBAL_JSON.
@@ -355,6 +367,9 @@ start() {
         -v /var/run/docker-syncd$DEV:/var/run/sswsyncd \
 {%- endif %}
 {%- endif %}
+{%- if docker_container_name == "swss" %}
+        -e ASIC_VENDOR=$ASIC_VENDOR \
+{%- endif -%}
 {%- if docker_container_name == "bgp" %}
         -v /etc/sonic/frr/$DEV:/etc/frr:rw \
 {%- endif %}
diff --git a/files/build_templates/init_cfg.json.j2 b/files/build_templates/init_cfg.json.j2
index 717aa3a00a8e..82f300e00701 100644
--- a/files/build_templates/init_cfg.json.j2
+++ b/files/build_templates/init_cfg.json.j2
@@ -1,6 +1,7 @@
 {
     "DEVICE_METADATA": {
         "localhost": {
+            "buffer_model": {% if default_buffer_model == "dynamic" %}"dynamic"{% else %}"traditional"{% endif %},
             "default_bgp_status": {% if shutdown_bgp_on_start == "y" %}"down"{% else %}"up"{% endif %},
             "default_pfcwd_status": {% if enable_pfcwd_on_start == "y" %}"enable"{% else %}"disable"{% endif %}
         }
diff --git a/files/build_templates/sonic_debian_extension.j2 b/files/build_templates/sonic_debian_extension.j2
index 8663ee35a509..a841ebdaa665 100644
--- a/files/build_templates/sonic_debian_extension.j2
+++ b/files/build_templates/sonic_debian_extension.j2
@@ -392,6 +392,19 @@ sudo cp $BUILD_TEMPLATES/buffers_config.j2 $FILESYSTEM_ROOT_USR_SHARE_SONIC_TEMP
 # Copy the qos configuration template
 sudo cp $BUILD_TEMPLATES/qos_config.j2 $FILESYSTEM_ROOT_USR_SHARE_SONIC_TEMPLATES/
 
+# Copy the templates for dynamically buffer calculation
+{% if sonic_asic_platform == "mellanox" or sonic_asic_platform == "vs" %}
+if [ -f platform/{{ sonic_asic_platform }}/asic_table.j2 ]
+then
+    sudo cp platform/{{ sonic_asic_platform }}/asic_table.j2 $FILESYSTEM_ROOT/usr/share/sonic/templates/asic_table.j2
+fi
+
+if [ -f platform/{{ sonic_asic_platform }}/peripheral_table.j2 ]
+then
+    sudo cp platform/{{ sonic_asic_platform }}/peripheral_table.j2 $FILESYSTEM_ROOT/usr/share/sonic/templates/peripheral_table.j2
+fi
+{% endif %}
+
 # Copy hostname configuration scripts
 sudo cp $IMAGE_CONFIGS/hostname/hostname-config.service $FILESYSTEM_ROOT_USR_LIB_SYSTEMD_SYSTEM
 echo "hostname-config.service" | sudo tee -a $GENERATED_SERVICE_FILE
diff --git a/files/scripts/swss.sh b/files/scripts/swss.sh
index 11613b5a8a5c..1c54aefb0c0b 100755
--- a/files/scripts/swss.sh
+++ b/files/scripts/swss.sh
@@ -147,7 +147,7 @@ start() {
         $SONIC_DB_CLI ASIC_DB FLUSHDB
         $SONIC_DB_CLI COUNTERS_DB FLUSHDB
         $SONIC_DB_CLI FLEX_COUNTER_DB FLUSHDB
-        clean_up_tables STATE_DB "'PORT_TABLE*', 'MGMT_PORT_TABLE*', 'VLAN_TABLE*', 'VLAN_MEMBER_TABLE*', 'LAG_TABLE*', 'LAG_MEMBER_TABLE*', 'INTERFACE_TABLE*', 'MIRROR_SESSION*', 'VRF_TABLE*', 'FDB_TABLE*', 'FG_ROUTE_TABLE*'"
+        clean_up_tables STATE_DB "'PORT_TABLE*', 'MGMT_PORT_TABLE*', 'VLAN_TABLE*', 'VLAN_MEMBER_TABLE*', 'LAG_TABLE*', 'LAG_MEMBER_TABLE*', 'INTERFACE_TABLE*', 'MIRROR_SESSION*', 'VRF_TABLE*', 'FDB_TABLE*', 'FG_ROUTE_TABLE*', 'BUFFER_POOL*', 'BUFFER_PROFILE*'"
     fi
 
     # start service docker
diff --git a/platform/mellanox/asic_table.j2 b/platform/mellanox/asic_table.j2
new file mode 100644
index 000000000000..47e900b2e44f
--- /dev/null
+++ b/platform/mellanox/asic_table.j2
@@ -0,0 +1,69 @@
+{%- if DEVICE_METADATA is defined and DEVICE_METADATA['localhost']['platform'] is defined %}
+{%-     set platform = DEVICE_METADATA['localhost']['platform'] %}
+{%- else -%}
+{%-     set platform = "vs-platform" %}
+{%- endif -%}
+
+
+[
+{% set platform2asic = {
+        'x86_64-mlnx_lssn2700-r0':'MELLANOX-SPECTRUM',
+        'x86_64-mlnx_msn2010-r0':'MELLANOX-SPECTRUM',
+        'x86_64-mlnx_msn2100-r0':'MELLANOX-SPECTRUM',
+        'x86_64-mlnx_msn2410-r0':'MELLANOX-SPECTRUM',
+        'x86_64-mlnx_msn2700-r0':'MELLANOX-SPECTRUM',
+        'x86_64-mlnx_msn2700_simx-r0':'MELLANOX-SPECTRUM',
+        'x86_64-mlnx_msn2740-r0':'MELLANOX-SPECTRUM',
+        'x86_64-mlnx_msn3700c-r0':'MELLANOX-SPECTRUM-2',
+        'x86_64-mlnx_msn3700-r0':'MELLANOX-SPECTRUM-2',
+        'x86_64-mlnx_msn3700_simx-r0':'MELLANOX-SPECTRUM-2',
+        'x86_64-mlnx_msn3800-r0':'MELLANOX-SPECTRUM-2',
+        'x86_64-mlnx_msn4700_simx-r0':'MELLANOX-SPECTRUM-3',
+        'x86_64-mlnx_msn4700-r0':'MELLANOX-SPECTRUM-3',
+        'x86_64-mlnx_msn4600c-r0':'MELLANOX-SPECTRUM-3',
+        'vs-platform':'vs'
+    }
+%}
+{% set asic_type = platform2asic[platform] %}
+{% if asic_type == 'MELLANOX-SPECTRUM' %}
+    {
+        "ASIC_TABLE:MELLANOX-SPECTRUM": {
+            "cell_size": "96",
+            "pipeline_latency": "19",
+            "mac_phy_delay": "0.8",
+            "peer_response_time": "3.8"
+        },
+        "OP": "SET"
+    }
+{% elif asic_type == 'MELLANOX-SPECTRUM-2' %}
+    {
+        "ASIC_TABLE:MELLANOX-SPECTRUM-2": {
+            "cell_size": "144",
+            "pipeline_latency": "19",
+            "mac_phy_delay": "0.8",
+            "peer_response_time": "3.8"
+        },
+        "OP": "SET"
+    }
+{% elif asic_type == 'MELLANOX-SPECTRUM-3' %}
+    {
+        "ASIC_TABLE:MELLANOX-SPECTRUM-3": {
+            "cell_size": "144",
+            "pipeline_latency": "19",
+            "mac_phy_delay": "0.8",
+            "peer_response_time": "3.8"
+        },
+        "OP": "SET"
+    }
+{% elif asic_type == "vs" %}
+    {
+        "ASIC_TABLE:VS-ASIC": {
+            "cell_size": "128",
+            "pipeline_latency": "19",
+            "mac_phy_delay": "0.8",
+            "peer_response_time": "3.8"
+        },
+        "OP": "SET"
+    }
+{% endif %}
+]
diff --git a/platform/mellanox/peripheral_table.j2 b/platform/mellanox/peripheral_table.j2
new file mode 100644
index 000000000000..70e664559bee
--- /dev/null
+++ b/platform/mellanox/peripheral_table.j2
@@ -0,0 +1,28 @@
+{%- if DEVICE_METADATA is defined and DEVICE_METADATA['localhost']['platform'] is defined %}
+{%-     set platform = DEVICE_METADATA['localhost']['platform'] %}
+{%- else -%}
+{%-     set platform = "vs-platform" %}
+{%- endif -%}
+
+{% set platform2gearbox = {
+        'x86_64-mlnx_msn3800-r0':'MELLANOX-GEARBOX-1',
+        'vs-platform':'VS-GEARBOX'
+    }
+%}
+{% set gearbox_type = platform2gearbox[platform] %}
+{% if gearbox_type == 'MELLANOX-GEARBOX-1' %}
+{
+    "PERIPHERAL_TABLE:MELLANOX-GEARBOX-1": {
+            "gearbox_delay": "400"
+    },
+    "OP": "SET"
+}
+{% elif gearbox_type == 'VS-GEARBOX' %}
+{
+    "PERIPHERAL_TABLE:VS-GEARBOX": {
+            "gearbox_delay": "400"
+    },
+    "OP": "SET"
+}
+{% endif %}
+
diff --git a/platform/mellanox/rules.mk b/platform/mellanox/rules.mk
index f8700733c908..1e2ca78a195b 100644
--- a/platform/mellanox/rules.mk
+++ b/platform/mellanox/rules.mk
@@ -31,3 +31,5 @@ $(SYNCD)_RDEPENDS += $(MLNX_SAI)
 
 # Inject mlnx sdk libs to platform monitor
 $(DOCKER_PLATFORM_MONITOR)_DEPENDS += $(APPLIBS) $(SX_COMPLIB) $(SXD_LIBS) $(SX_GEN_UTILS) $(PYTHON_SDK_API) $(APPLIBS_DEV) $(SX_COMPLIB_DEV) $(SXD_LIBS_DEV) $(SX_GEN_UTILS_DEV)
+
+export SONIC_BUFFER_MODEL=dynamic
diff --git a/platform/vs/asic_table.j2 b/platform/vs/asic_table.j2
new file mode 120000
index 000000000000..d3133a30d812
--- /dev/null
+++ b/platform/vs/asic_table.j2
@@ -0,0 +1 @@
+../mellanox/asic_table.j2
\ No newline at end of file
diff --git a/platform/vs/docker-sonic-vs/Dockerfile.j2 b/platform/vs/docker-sonic-vs/Dockerfile.j2
index 22ff02fdfda1..1baf5d4a1863 100644
--- a/platform/vs/docker-sonic-vs/Dockerfile.j2
+++ b/platform/vs/docker-sonic-vs/Dockerfile.j2
@@ -157,6 +157,8 @@ COPY ["port_breakout_config_db.json", "/etc/sonic/"]
 COPY ["database_config.json", "/etc/default/sonic-db/"]
 COPY ["hostname.j2", "/usr/share/sonic/templates/"]
 COPY ["default_chassis_cfg.json", "/etc/default/sonic-db/"]
+COPY ["asic_table.json", "/etc/sonic/"]
+COPY ["buffermgrd.sh", "/usr/bin/"]
 
 COPY ["platform.json", "/usr/share/sonic/device/x86_64-kvm_x86_64-r0/"]
 COPY ["hwsku.json", "/usr/share/sonic/device/x86_64-kvm_x86_64-r0/Force10-S6000/"]
diff --git a/platform/vs/docker-sonic-vs/asic_table.json b/platform/vs/docker-sonic-vs/asic_table.json
new file mode 100644
index 000000000000..9d94638dd739
--- /dev/null
+++ b/platform/vs/docker-sonic-vs/asic_table.json
@@ -0,0 +1,11 @@
+[
+{
+    "ASIC_TABLE:VS-ASIC": {
+        "cell_size": "128",
+        "pipeline_latency": "18",
+        "mac_phy_delay": "0.8",
+        "peer_response_time": "3.8"
+    },
+    "OP": "SET"
+}
+]
diff --git a/platform/vs/docker-sonic-vs/buffermgrd.sh b/platform/vs/docker-sonic-vs/buffermgrd.sh
new file mode 100755
index 000000000000..9cdc57434a8f
--- /dev/null
+++ b/platform/vs/docker-sonic-vs/buffermgrd.sh
@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+
+BUFFER_CALCULATION_MODE=$(redis-cli -n 4 hget "DEVICE_METADATA|localhost" buffer_model)
+export ASIC_VENDOR=vs
+
+if [ "$BUFFER_CALCULATION_MODE" == "dynamic" ]; then
+    BUFFERMGRD_ARGS="-a /etc/sonic/asic_table.json"
+else
+    # Should we use the fallback MAC in case it is not found in Device.Metadata
+    BUFFERMGRD_ARGS="-l /usr/share/sonic/hwsku/pg_profile_lookup.ini"
+fi
+
+exec /usr/bin/buffermgrd ${BUFFERMGRD_ARGS}
diff --git a/platform/vs/docker-sonic-vs/start.sh b/platform/vs/docker-sonic-vs/start.sh
index 99c15925d179..3d349a4ad12a 100755
--- a/platform/vs/docker-sonic-vs/start.sh
+++ b/platform/vs/docker-sonic-vs/start.sh
@@ -32,7 +32,7 @@ if [[ -f /usr/share/sonic/virtual_chassis/default_config.json ]]; then
 fi
 
 SYSTEM_MAC_ADDRESS=$(ip link show eth0 | grep ether | awk '{print $2}')
-sonic-cfggen -a '{"DEVICE_METADATA":{"localhost": {"mac": "'$SYSTEM_MAC_ADDRESS'"}}}' $CHASS_CFG --print-data > /etc/sonic/init_cfg.json
+sonic-cfggen -a '{"DEVICE_METADATA":{"localhost": {"mac": "'$SYSTEM_MAC_ADDRESS'", "buffer_model": "traditional"}}}' $CHASS_CFG --print-data > /etc/sonic/init_cfg.json
 
 if [ -f /etc/sonic/config_db.json ]; then
     sonic-cfggen -j /etc/sonic/init_cfg.json -j /etc/sonic/config_db.json --print-data > /tmp/config_db.json
diff --git a/platform/vs/docker-sonic-vs/supervisord.conf b/platform/vs/docker-sonic-vs/supervisord.conf
index 09f9c34b14b4..3312bad48023 100644
--- a/platform/vs/docker-sonic-vs/supervisord.conf
+++ b/platform/vs/docker-sonic-vs/supervisord.conf
@@ -156,7 +156,7 @@ stdout_logfile=syslog
 stderr_logfile=syslog
 
 [program:buffermgrd]
-command=/usr/bin/buffermgrd -l /usr/share/sonic/hwsku/pg_profile_lookup.ini
+command=/usr/bin/buffermgrd.sh
 priority=17
 autostart=false
 autorestart=false
diff --git a/platform/vs/peripheral_table.j2 b/platform/vs/peripheral_table.j2
new file mode 120000
index 000000000000..4a33273c71c0
--- /dev/null
+++ b/platform/vs/peripheral_table.j2
@@ -0,0 +1 @@
+../mellanox/peripheral_table.j2
\ No newline at end of file
diff --git a/slave.mk b/slave.mk
index eb8e9d7765ce..e818eeed16d9 100644
--- a/slave.mk
+++ b/slave.mk
@@ -222,6 +222,7 @@ $(info "PASSWORD"                        : "$(PASSWORD)")
 $(info "ENABLE_DHCP_GRAPH_SERVICE"       : "$(ENABLE_DHCP_GRAPH_SERVICE)")
 $(info "SHUTDOWN_BGP_ON_START"           : "$(SHUTDOWN_BGP_ON_START)")
 $(info "ENABLE_PFCWD_ON_START"           : "$(ENABLE_PFCWD_ON_START)")
+$(info "SONIC_BUFFER_MODEL"              : "$(SONIC_BUFFER_MODEL)")
 $(info "INSTALL_DEBUG_TOOLS"             : "$(INSTALL_DEBUG_TOOLS)")
 $(info "ROUTING_STACK"                   : "$(SONIC_ROUTING_STACK)")
 ifeq ($(SONIC_ROUTING_STACK),frr)
@@ -865,6 +866,7 @@ $(addprefix $(TARGET_PATH)/, $(SONIC_INSTALLERS)) : $(TARGET_PATH)/% : \
 	export include_iccpd="$(INCLUDE_ICCPD)"
 	export pddf_support="$(PDDF_SUPPORT)"
 	export shutdown_bgp_on_start="$(SHUTDOWN_BGP_ON_START)"
+	export default_buffer_model="$(SONIC_BUFFER_MODEL)"
 	export include_kubernetes="$(INCLUDE_KUBERNETES)"
 	export enable_pfcwd_on_start="$(ENABLE_PFCWD_ON_START)"
 	export installer_debs="$(addprefix $(IMAGE_DISTRO_DEBS_PATH)/,$($*_INSTALLS))"
diff --git a/src/sonic-config-engine/tests/sample_output/py2/buffers-dell6100.json b/src/sonic-config-engine/tests/sample_output/py2/buffers-dell6100.json
index 56de7500c1ad..4b48f66f2be0 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/buffers-dell6100.json
+++ b/src/sonic-config-engine/tests/sample_output/py2/buffers-dell6100.json
@@ -637,4 +637,16 @@
             "profile" : "[BUFFER_PROFILE|egress_lossy_profile]"
         }
     }
+,
+    "DEFAULT_LOSSLESS_BUFFER_PARAMETER": {
+        "AZURE": {
+            "default_dynamic_th": "0"
+        }
+    },
+    "LOSSLESS_TRAFFIC_PATTERN": {
+        "AZURE": {
+            "mtu": "1024",
+            "small_packet_percentage": "100"
+        }
+    }
 }
diff --git a/src/sonic-config-engine/tests/sample_output/py3/buffers-dell6100.json b/src/sonic-config-engine/tests/sample_output/py3/buffers-dell6100.json
index 39fb042cc4cb..a67b1ae1f9f2 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/buffers-dell6100.json
+++ b/src/sonic-config-engine/tests/sample_output/py3/buffers-dell6100.json
@@ -637,4 +637,16 @@
             "profile" : "[BUFFER_PROFILE|egress_lossy_profile]"
         }
     }
+,
+    "DEFAULT_LOSSLESS_BUFFER_PARAMETER": {
+        "AZURE": {
+            "default_dynamic_th": "0"
+        }
+    },
+    "LOSSLESS_TRAFFIC_PATTERN": {
+        "AZURE": {
+            "mtu": "1024",
+            "small_packet_percentage": "100"
+        }
+    }
 }