diff --git a/device/arista/x86_64-arista_7050_qx32/Arista-7050-QX32/buffers.json.j2 b/device/arista/x86_64-arista_7050_qx32/Arista-7050-QX32/buffers.json.j2
index 551f73ca0477..782dc528f71e 100644
--- a/device/arista/x86_64-arista_7050_qx32/Arista-7050-QX32/buffers.json.j2
+++ b/device/arista/x86_64-arista_7050_qx32/Arista-7050-QX32/buffers.json.j2
@@ -90,7 +90,7 @@
             "xon":"18432",
             "xoff":"40560",
             "size":"41808",
-            "dynamic_th":"-4",
+            "dynamic_th":"-3",
             "xon_offset":"2496"
         },
         "ingress_lossy_profile": {
@@ -115,6 +115,9 @@
         },
         "{{ port_names }}|0-1": {
             "profile" : "[BUFFER_PROFILE|ingress_lossy_profile]"
+        },
+        "{{ port_names }}|5": {
+            "profile" : "[BUFFER_PROFILE|ingress_lossy_profile]"
         }
     },
     "BUFFER_QUEUE": {
@@ -123,6 +126,9 @@
         },
         "{{ port_names }}|0-1": {
             "profile" : "[BUFFER_PROFILE|egress_lossy_profile]"
+        },
+        "{{ port_names }}|5": {
+            "profile" : "[BUFFER_PROFILE|egress_lossy_profile]"
         }
     }
 }
diff --git a/device/arista/x86_64-arista_7050_qx32/Arista-7050-QX32/qos.json b/device/arista/x86_64-arista_7050_qx32/Arista-7050-QX32/qos.json
index 926911ab59d0..6cb1e880ab10 100644
--- a/device/arista/x86_64-arista_7050_qx32/Arista-7050-QX32/qos.json
+++ b/device/arista/x86_64-arista_7050_qx32/Arista-7050-QX32/qos.json
@@ -4,7 +4,8 @@
             "0": "0",
             "1": "1",
             "3": "3",
-            "4": "4"
+            "4": "4",
+            "5": "5"
         }
     },
     "MAP_PFC_PRIORITY_TO_QUEUE": {
@@ -12,7 +13,8 @@
             "0": "0",
             "1": "1",
             "3": "3",
-            "4": "4"
+            "4": "4",
+            "5": "5"
         }
     },
     "TC_TO_QUEUE_MAP": {
@@ -20,7 +22,8 @@
             "0": "0",
             "1": "1",
             "3": "3",
-            "4": "4"
+            "4": "4",
+            "5": "5"
         }
     },
     "DSCP_TO_TC_MAP": {
@@ -71,7 +74,7 @@
             "43":"0",
             "44":"0",
             "45":"0",
-            "46":"0",
+            "46":"5",
             "47":"0",
             "48":"0",
             "49":"0",
@@ -93,14 +96,6 @@
     },
     "SCHEDULER": {
         "scheduler.0" : {
-            "type":"DWRR",
-            "weight": "25"
-        },
-        "scheduler.1" : {
-            "type":"DWRR",
-            "weight": "30"
-        },
-        "scheduler.2" : {
             "type":"DWRR",
             "weight": "20"
         }
@@ -130,14 +125,16 @@
     },
     "QUEUE": {
         "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124|3-4" : {
-            "scheduler"     :   "[SCHEDULER|scheduler.0]",
-            "wred_profile"  :   "[WRED_PROFILE|AZURE_LOSSLESS]"
+            "scheduler"     :   "[SCHEDULER|scheduler.0]"
         },
         "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124|0" : {
-            "scheduler"     :   "[SCHEDULER|scheduler.1]"
+            "scheduler"     :   "[SCHEDULER|scheduler.0]"
         },
         "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124|1" : {
-            "scheduler"     :   "[SCHEDULER|scheduler.2]"
+            "scheduler"     :   "[SCHEDULER|scheduler.0]"
+        },
+        "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124|5" : {
+            "scheduler"     :   "[SCHEDULER|scheduler.0]"
         }
     }
 }
diff --git a/device/arista/x86_64-arista_7050_qx32s/Arista-7050-QX-32S/buffers.json.j2 b/device/arista/x86_64-arista_7050_qx32s/Arista-7050-QX-32S/buffers.json.j2
index 551f73ca0477..782dc528f71e 100644
--- a/device/arista/x86_64-arista_7050_qx32s/Arista-7050-QX-32S/buffers.json.j2
+++ b/device/arista/x86_64-arista_7050_qx32s/Arista-7050-QX-32S/buffers.json.j2
@@ -90,7 +90,7 @@
             "xon":"18432",
             "xoff":"40560",
             "size":"41808",
-            "dynamic_th":"-4",
+            "dynamic_th":"-3",
             "xon_offset":"2496"
         },
         "ingress_lossy_profile": {
@@ -115,6 +115,9 @@
         },
         "{{ port_names }}|0-1": {
             "profile" : "[BUFFER_PROFILE|ingress_lossy_profile]"
+        },
+        "{{ port_names }}|5": {
+            "profile" : "[BUFFER_PROFILE|ingress_lossy_profile]"
         }
     },
     "BUFFER_QUEUE": {
@@ -123,6 +126,9 @@
         },
         "{{ port_names }}|0-1": {
             "profile" : "[BUFFER_PROFILE|egress_lossy_profile]"
+        },
+        "{{ port_names }}|5": {
+            "profile" : "[BUFFER_PROFILE|egress_lossy_profile]"
         }
     }
 }
diff --git a/device/arista/x86_64-arista_7050_qx32s/Arista-7050-QX-32S/qos.json b/device/arista/x86_64-arista_7050_qx32s/Arista-7050-QX-32S/qos.json
index 698811c610ff..6cb1e880ab10 100644
--- a/device/arista/x86_64-arista_7050_qx32s/Arista-7050-QX-32S/qos.json
+++ b/device/arista/x86_64-arista_7050_qx32s/Arista-7050-QX-32S/qos.json
@@ -4,7 +4,8 @@
             "0": "0",
             "1": "1",
             "3": "3",
-            "4": "4"
+            "4": "4",
+            "5": "5"
         }
     },
     "MAP_PFC_PRIORITY_TO_QUEUE": {
@@ -12,7 +13,8 @@
             "0": "0",
             "1": "1",
             "3": "3",
-            "4": "4"
+            "4": "4",
+            "5": "5"
         }
     },
     "TC_TO_QUEUE_MAP": {
@@ -20,7 +22,8 @@
             "0": "0",
             "1": "1",
             "3": "3",
-            "4": "4"
+            "4": "4",
+            "5": "5"
         }
     },
     "DSCP_TO_TC_MAP": {
@@ -71,7 +74,7 @@
             "43":"0",
             "44":"0",
             "45":"0",
-            "46":"0",
+            "46":"5",
             "47":"0",
             "48":"0",
             "49":"0",
@@ -93,14 +96,6 @@
     },
     "SCHEDULER": {
         "scheduler.0" : {
-            "type":"DWRR",
-            "weight": "25"
-        },
-        "scheduler.1" : {
-            "type":"DWRR",
-            "weight": "30"
-        },
-        "scheduler.2" : {
             "type":"DWRR",
             "weight": "20"
         }
@@ -132,17 +127,14 @@
         "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124|3-4" : {
             "scheduler"     :   "[SCHEDULER|scheduler.0]"
         },
-        "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124|3" : {
-            "wred_profile"  :   "[WRED_PROFILE|AZURE_LOSSLESS]"
-        },
-        "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124|4" : {
-            "wred_profile"  :   "[WRED_PROFILE|AZURE_LOSSLESS]"
-        },
         "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124|0" : {
-            "scheduler"     :   "[SCHEDULER|scheduler.1]"
+            "scheduler"     :   "[SCHEDULER|scheduler.0]"
         },
         "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124|1" : {
-            "scheduler"     :   "[SCHEDULER|scheduler.2]"
+            "scheduler"     :   "[SCHEDULER|scheduler.0]"
+        },
+        "Ethernet0,Ethernet4,Ethernet8,Ethernet12,Ethernet16,Ethernet20,Ethernet24,Ethernet28,Ethernet32,Ethernet36,Ethernet40,Ethernet44,Ethernet48,Ethernet52,Ethernet56,Ethernet60,Ethernet64,Ethernet68,Ethernet72,Ethernet76,Ethernet80,Ethernet84,Ethernet88,Ethernet92,Ethernet96,Ethernet100,Ethernet104,Ethernet108,Ethernet112,Ethernet116,Ethernet120,Ethernet124|5" : {
+            "scheduler"     :   "[SCHEDULER|scheduler.0]"
         }
     }
 }