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 b036683d1dba..38ee97c304e8 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
@@ -22,7 +22,7 @@
             "size": "6441610000",
             "type": "both",
             "mode": "dynamic",
-            "xoff": "20761804"
+            "xoff": "1056256819"
         }
     },
     "BUFFER_PROFILE": {
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 661fd8cc28c5..8a1163f95f72 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
@@ -57,7 +57,7 @@
             "size": "6441610000",
             "type": "both",
             "mode": "dynamic",
-            "xoff": "20761804"
+            "xoff": "1056256819"
         }
     },
     "BUFFER_PROFILE": {
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 661fd8cc28c5..8a1163f95f72 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
@@ -57,7 +57,7 @@
             "size": "6441610000",
             "type": "both",
             "mode": "dynamic",
-            "xoff": "20761804"
+            "xoff": "1056256819"
         }
     },
     "BUFFER_PROFILE": {