diff --git a/device/arista/x86_64-arista_7800r3_48cq2_lc/Arista-7800R3-48CQ2-C48/buffers_defaults_t2.j2 b/device/arista/x86_64-arista_7800r3_48cq2_lc/Arista-7800R3-48CQ2-C48/buffers_defaults_t2.j2
index efee1fee3e..b036683d1d 100644
--- a/device/arista/x86_64-arista_7800r3_48cq2_lc/Arista-7800R3-48CQ2-C48/buffers_defaults_t2.j2
+++ b/device/arista/x86_64-arista_7800r3_48cq2_lc/Arista-7800R3-48CQ2-C48/buffers_defaults_t2.j2
@@ -40,7 +40,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 {%- endmacro %}
diff --git a/device/arista/x86_64-arista_7800r3_48cqm2_lc/Arista-7800R3-48CQM2-C48/buffers_defaults_t2.j2 b/device/arista/x86_64-arista_7800r3_48cqm2_lc/Arista-7800R3-48CQM2-C48/buffers_defaults_t2.j2
index 5825848d4a..38ee97c304 100644
--- a/device/arista/x86_64-arista_7800r3_48cqm2_lc/Arista-7800R3-48CQM2-C48/buffers_defaults_t2.j2
+++ b/device/arista/x86_64-arista_7800r3_48cqm2_lc/Arista-7800R3-48CQM2-C48/buffers_defaults_t2.j2
@@ -40,7 +40,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 {%- endmacro %}
diff --git a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C36/0/buffers_defaults_t2.j2 b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C36/0/buffers_defaults_t2.j2
index 35a7f53574..6990e4de7a 100644
--- a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C36/0/buffers_defaults_t2.j2
+++ b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C36/0/buffers_defaults_t2.j2
@@ -40,7 +40,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 {%- endmacro %}
diff --git a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C36/1/buffers_defaults_t2.j2 b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C36/1/buffers_defaults_t2.j2
index 18bf47b013..857d7f2651 100644
--- a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C36/1/buffers_defaults_t2.j2
+++ b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C36/1/buffers_defaults_t2.j2
@@ -40,7 +40,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 {%- endmacro %}
diff --git a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C72/0/buffers_defaults_t2.j2 b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C72/0/buffers_defaults_t2.j2
index b49aea9406..1aea50e1fd 100644
--- a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C72/0/buffers_defaults_t2.j2
+++ b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C72/0/buffers_defaults_t2.j2
@@ -40,7 +40,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 {%- endmacro %}
diff --git a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C72/1/buffers_defaults_t2.j2 b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C72/1/buffers_defaults_t2.j2
index 9fa59b61c0..19caf55f00 100644
--- a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C72/1/buffers_defaults_t2.j2
+++ b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-C72/1/buffers_defaults_t2.j2
@@ -40,7 +40,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 {%- endmacro %}
diff --git a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-D36/0/buffers_defaults_t2.j2 b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-D36/0/buffers_defaults_t2.j2
index 615280ab2e..2af84b9a9c 100644
--- a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-D36/0/buffers_defaults_t2.j2
+++ b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-D36/0/buffers_defaults_t2.j2
@@ -40,7 +40,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 {%- endmacro %}
diff --git a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-D36/1/buffers_defaults_t2.j2 b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-D36/1/buffers_defaults_t2.j2
index 407058909c..b4c4ff9ccf 100644
--- a/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-D36/1/buffers_defaults_t2.j2
+++ b/device/arista/x86_64-arista_7800r3a_36d2_lc/Arista-7800R3A-36D2-D36/1/buffers_defaults_t2.j2
@@ -40,7 +40,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 {%- endmacro %}
diff --git a/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x100G/0/buffers_defaults_t2.j2 b/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x100G/0/buffers_defaults_t2.j2
index 030060d45c..f911a0e580 100644
--- a/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x100G/0/buffers_defaults_t2.j2
+++ b/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x100G/0/buffers_defaults_t2.j2
@@ -40,7 +40,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 {%- endmacro %}
diff --git a/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x100G/1/buffers_defaults_t2.j2 b/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x100G/1/buffers_defaults_t2.j2
index 030060d45c..f911a0e580 100644
--- a/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x100G/1/buffers_defaults_t2.j2
+++ b/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x100G/1/buffers_defaults_t2.j2
@@ -40,7 +40,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 {%- endmacro %}
diff --git a/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x400G/0/buffers_defaults_t2.j2 b/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x400G/0/buffers_defaults_t2.j2
index 3fb88267af..cf0e02f6d7 100644
--- a/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x400G/0/buffers_defaults_t2.j2
+++ b/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x400G/0/buffers_defaults_t2.j2
@@ -40,7 +40,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 {%- endmacro %}
diff --git a/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x400G/1/buffers_defaults_t2.j2 b/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x400G/1/buffers_defaults_t2.j2
index 3fb88267af..cf0e02f6d7 100644
--- a/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x400G/1/buffers_defaults_t2.j2
+++ b/device/nokia/x86_64-nokia_ixr7250e_36x400g-r0/Nokia-IXR7250E-36x400G/1/buffers_defaults_t2.j2
@@ -40,7 +40,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 {%- endmacro %}
diff --git a/src/sonic-config-engine/tests/sample_output/py2/buffer-arista7800r3-48cq2-lc.json b/src/sonic-config-engine/tests/sample_output/py2/buffer-arista7800r3-48cq2-lc.json
index 35b9c69d42..661fd8cc28 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/buffer-arista7800r3-48cq2-lc.json
+++ b/src/sonic-config-engine/tests/sample_output/py2/buffer-arista7800r3-48cq2-lc.json
@@ -75,7 +75,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
     "BUFFER_PG": {
diff --git a/src/sonic-config-engine/tests/sample_output/py2/buffer-arista7800r3-48cqm2-lc.json b/src/sonic-config-engine/tests/sample_output/py2/buffer-arista7800r3-48cqm2-lc.json
index ebca473bc4..8a1163f95f 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/buffer-arista7800r3-48cqm2-lc.json
+++ b/src/sonic-config-engine/tests/sample_output/py2/buffer-arista7800r3-48cqm2-lc.json
@@ -75,7 +75,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
     "BUFFER_PG": {
diff --git a/src/sonic-config-engine/tests/sample_output/py2/buffer-arista7800r3a-36dm2-c36-lc.json b/src/sonic-config-engine/tests/sample_output/py2/buffer-arista7800r3a-36dm2-c36-lc.json
index 6ab0f7c686..b82f36fdda 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/buffer-arista7800r3a-36dm2-c36-lc.json
+++ b/src/sonic-config-engine/tests/sample_output/py2/buffer-arista7800r3a-36dm2-c36-lc.json
@@ -45,7 +45,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 
diff --git a/src/sonic-config-engine/tests/sample_output/py2/buffer-arista7800r3a-36dm2-d36-lc.json b/src/sonic-config-engine/tests/sample_output/py2/buffer-arista7800r3a-36dm2-d36-lc.json
index ba77ebdcfc..7d7af2c683 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/buffer-arista7800r3a-36dm2-d36-lc.json
+++ b/src/sonic-config-engine/tests/sample_output/py2/buffer-arista7800r3a-36dm2-d36-lc.json
@@ -45,7 +45,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 
diff --git a/src/sonic-config-engine/tests/sample_output/py2/buffer-nokia-ixr7250e-36x100g.json b/src/sonic-config-engine/tests/sample_output/py2/buffer-nokia-ixr7250e-36x100g.json
index 4ed2195741..7e39255e71 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/buffer-nokia-ixr7250e-36x100g.json
+++ b/src/sonic-config-engine/tests/sample_output/py2/buffer-nokia-ixr7250e-36x100g.json
@@ -45,7 +45,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 
diff --git a/src/sonic-config-engine/tests/sample_output/py2/buffer-nokia-ixr7250e-36x400g.json b/src/sonic-config-engine/tests/sample_output/py2/buffer-nokia-ixr7250e-36x400g.json
index 7b81862068..010a8677ee 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/buffer-nokia-ixr7250e-36x400g.json
+++ b/src/sonic-config-engine/tests/sample_output/py2/buffer-nokia-ixr7250e-36x400g.json
@@ -45,7 +45,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 
diff --git a/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7800r3-48cq2-lc.json b/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7800r3-48cq2-lc.json
index 35b9c69d42..661fd8cc28 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7800r3-48cq2-lc.json
+++ b/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7800r3-48cq2-lc.json
@@ -75,7 +75,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
     "BUFFER_PG": {
diff --git a/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7800r3-48cqm2-lc.json b/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7800r3-48cqm2-lc.json
index ebca473bc4..8a1163f95f 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7800r3-48cqm2-lc.json
+++ b/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7800r3-48cqm2-lc.json
@@ -75,7 +75,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
     "BUFFER_PG": {
diff --git a/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7800r3a-36dm2-c36-lc.json b/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7800r3a-36dm2-c36-lc.json
index 6ab0f7c686..b82f36fdda 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7800r3a-36dm2-c36-lc.json
+++ b/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7800r3a-36dm2-c36-lc.json
@@ -45,7 +45,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 
diff --git a/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7800r3a-36dm2-d36-lc.json b/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7800r3a-36dm2-d36-lc.json
index ba77ebdcfc..7d7af2c683 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7800r3a-36dm2-d36-lc.json
+++ b/src/sonic-config-engine/tests/sample_output/py3/buffer-arista7800r3a-36dm2-d36-lc.json
@@ -45,7 +45,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 
diff --git a/src/sonic-config-engine/tests/sample_output/py3/buffer-nokia-ixr7250e-36x100g.json b/src/sonic-config-engine/tests/sample_output/py3/buffer-nokia-ixr7250e-36x100g.json
index 4ed2195741..7e39255e71 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/buffer-nokia-ixr7250e-36x100g.json
+++ b/src/sonic-config-engine/tests/sample_output/py3/buffer-nokia-ixr7250e-36x100g.json
@@ -45,7 +45,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },
 
diff --git a/src/sonic-config-engine/tests/sample_output/py3/buffer-nokia-ixr7250e-36x400g.json b/src/sonic-config-engine/tests/sample_output/py3/buffer-nokia-ixr7250e-36x400g.json
index 7b81862068..010a8677ee 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/buffer-nokia-ixr7250e-36x400g.json
+++ b/src/sonic-config-engine/tests/sample_output/py3/buffer-nokia-ixr7250e-36x400g.json
@@ -45,7 +45,7 @@
         "egress_lossy_profile": {
             "pool":"ingress_lossless_pool",
             "size":"0",
-            "dynamic_th":"-1"
+            "dynamic_th":"-4"
         }
     },