diff --git a/device/mellanox/x86_64-mlnx_lssn2700-r0/LS-SN2700/qos.json b/device/mellanox/x86_64-mlnx_lssn2700-r0/LS-SN2700/qos.json
index 3e01af3f2c64..df3d29c636e3 100644
--- a/device/mellanox/x86_64-mlnx_lssn2700-r0/LS-SN2700/qos.json
+++ b/device/mellanox/x86_64-mlnx_lssn2700-r0/LS-SN2700/qos.json
@@ -127,6 +127,7 @@
         "AZURE_LOSSY": {
             "wred_green_enable":"true",
             "wred_yellow_enable":"true",
+            "wred_red_enable":"true",
             "ecn":"ecn_all",
             "red_max_threshold":"516096",
             "red_min_threshold":"516096",
@@ -138,6 +139,7 @@
         "AZURE_LOSSLESS": {
             "wred_green_enable":"true",
             "wred_yellow_enable":"true",
+            "wred_red_enable":"true",
             "ecn":"ecn_all",
             "red_max_threshold":"516096",
             "red_min_threshold":"516096",
diff --git a/device/mellanox/x86_64-mlnx_msn2100-r0/ACS-MSN2100/qos.json b/device/mellanox/x86_64-mlnx_msn2100-r0/ACS-MSN2100/qos.json
index 74045469dbfd..2ea9b9dc019d 100644
--- a/device/mellanox/x86_64-mlnx_msn2100-r0/ACS-MSN2100/qos.json
+++ b/device/mellanox/x86_64-mlnx_msn2100-r0/ACS-MSN2100/qos.json
@@ -127,6 +127,7 @@
         "AZURE_LOSSY": {
             "wred_green_enable":"true",
             "wred_yellow_enable":"true",
+            "wred_red_enable":"true",
             "ecn":"ecn_all",
             "red_max_threshold":"516096",
             "red_min_threshold":"516096",
@@ -138,6 +139,7 @@
         "AZURE_LOSSLESS": {
             "wred_green_enable":"true",
             "wred_yellow_enable":"true",
+            "wred_red_enable":"true",
             "ecn":"ecn_all",
             "red_max_threshold":"516096",
             "red_min_threshold":"516096",
diff --git a/device/mellanox/x86_64-mlnx_msn2410-r0/ACS-MSN2410/qos.json b/device/mellanox/x86_64-mlnx_msn2410-r0/ACS-MSN2410/qos.json
index 95652cf96f4e..0d01a3f1cbad 100644
--- a/device/mellanox/x86_64-mlnx_msn2410-r0/ACS-MSN2410/qos.json
+++ b/device/mellanox/x86_64-mlnx_msn2410-r0/ACS-MSN2410/qos.json
@@ -127,6 +127,7 @@
         "AZURE_LOSSY": {
             "wred_green_enable":"true",
             "wred_yellow_enable":"true",
+            "wred_red_enable":"true",
             "ecn":"ecn_all",
             "red_max_threshold":"516096",
             "red_min_threshold":"516096",
@@ -138,6 +139,7 @@
         "AZURE_LOSSLESS": {
             "wred_green_enable":"true",
             "wred_yellow_enable":"true",
+            "wred_red_enable":"true",
             "ecn":"ecn_all",
             "red_max_threshold":"516096",
             "red_min_threshold":"516096",
diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/qos.json b/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/qos.json
index 3e01af3f2c64..df3d29c636e3 100644
--- a/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/qos.json
+++ b/device/mellanox/x86_64-mlnx_msn2700-r0/ACS-MSN2700/qos.json
@@ -127,6 +127,7 @@
         "AZURE_LOSSY": {
             "wred_green_enable":"true",
             "wred_yellow_enable":"true",
+            "wred_red_enable":"true",
             "ecn":"ecn_all",
             "red_max_threshold":"516096",
             "red_min_threshold":"516096",
@@ -138,6 +139,7 @@
         "AZURE_LOSSLESS": {
             "wred_green_enable":"true",
             "wred_yellow_enable":"true",
+            "wred_red_enable":"true",
             "ecn":"ecn_all",
             "red_max_threshold":"516096",
             "red_min_threshold":"516096",
diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D48C8/qos.json b/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D48C8/qos.json
index d35f614de635..03c89438ab68 100644
--- a/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D48C8/qos.json
+++ b/device/mellanox/x86_64-mlnx_msn2700-r0/Mellanox-SN2700-D48C8/qos.json
@@ -127,6 +127,7 @@
         "AZURE_LOSSY": {
             "wred_green_enable":"true",
             "wred_yellow_enable":"true",
+            "wred_red_enable":"true",
             "ecn":"ecn_all",
             "red_max_threshold":"516096",
             "red_min_threshold":"516096",
@@ -138,6 +139,7 @@
         "AZURE_LOSSLESS": {
             "wred_green_enable":"true",
             "wred_yellow_enable":"true",
+            "wred_red_enable":"true",
             "ecn":"ecn_all",
             "red_max_threshold":"516096",
             "red_min_threshold":"516096",