diff --git a/orchagent/bfdorch.cpp b/orchagent/bfdorch.cpp
index f242645b35..25c6c20cf2 100644
--- a/orchagent/bfdorch.cpp
+++ b/orchagent/bfdorch.cpp
@@ -14,6 +14,8 @@ using namespace swss;
 #define BFD_SESSION_DEFAULT_TX_INTERVAL 1000
 #define BFD_SESSION_DEFAULT_RX_INTERVAL 1000
 #define BFD_SESSION_DEFAULT_DETECT_MULTIPLIER 10
+// TOS: default 6-bit DSCP value 48, default 2-bit ecn value 0. 48<<2 = 192
+#define BFD_SESSION_DEFAULT_TOS 192
 #define BFD_SESSION_MILLISECOND_TO_MICROSECOND 1000
 #define BFD_SRCPORTINIT 49152
 #define BFD_SRCPORTMAX 65536
@@ -243,6 +245,7 @@ bool BfdOrch::create_bfd_session(const string& key, const vector<FieldValueTuple
     uint32_t tx_interval = BFD_SESSION_DEFAULT_TX_INTERVAL;
     uint32_t rx_interval = BFD_SESSION_DEFAULT_RX_INTERVAL;
     uint8_t multiplier = BFD_SESSION_DEFAULT_DETECT_MULTIPLIER;
+    uint8_t tos = BFD_SESSION_DEFAULT_TOS;
     bool multihop = false;
     MacAddress dst_mac;
     bool dst_mac_provided = false;
@@ -291,6 +294,10 @@ bool BfdOrch::create_bfd_session(const string& key, const vector<FieldValueTuple
             dst_mac = MacAddress(value);
             dst_mac_provided = true;
         }
+        else if (fvField(i) == "tos")
+        {
+            tos = to_uint<uint8_t>(value);
+        }
         else
             SWSS_LOG_ERROR("Unsupported BFD attribute %s\n", fvField(i).c_str());
     }
@@ -352,6 +359,10 @@ bool BfdOrch::create_bfd_session(const string& key, const vector<FieldValueTuple
     attrs.emplace_back(attr);
     fvVector.emplace_back("multiplier", to_string(multiplier));
 
+    attr.id = SAI_BFD_SESSION_ATTR_TOS;
+    attr.value.u8 = tos;
+    attrs.emplace_back(attr);
+
     if (multihop)
     {
         attr.id = SAI_BFD_SESSION_ATTR_MULTIHOP;
diff --git a/tests/test_bfd.py b/tests/test_bfd.py
index 3a087e2011..5add329278 100644
--- a/tests/test_bfd.py
+++ b/tests/test_bfd.py
@@ -49,7 +49,7 @@ def test_addRemoveBfdSession(self, dvs):
         bfdSessions = self.get_exist_bfd_session()
 
         # Create BFD session
-        fieldValues = {"local_addr": "10.0.0.1"}
+        fieldValues = {"local_addr": "10.0.0.1","tos":"64"}
         self.create_bfd_session("default:default:10.0.0.2", fieldValues)
         self.adb.wait_for_n_keys("ASIC_STATE:SAI_OBJECT_TYPE_BFD_SESSION", len(bfdSessions) + 1)
 
@@ -62,6 +62,7 @@ def test_addRemoveBfdSession(self, dvs):
             "SAI_BFD_SESSION_ATTR_SRC_IP_ADDRESS": "10.0.0.1",
             "SAI_BFD_SESSION_ATTR_DST_IP_ADDRESS": "10.0.0.2",
             "SAI_BFD_SESSION_ATTR_TYPE": "SAI_BFD_SESSION_TYPE_ASYNC_ACTIVE",
+            "SAI_BFD_SESSION_ATTR_TOS": "64",
             "SAI_BFD_SESSION_ATTR_IPHDR_VERSION": "4"
         }
         self.check_asic_bfd_session_value(session, expected_adb_values)
@@ -102,6 +103,7 @@ def test_addRemoveBfdSession_ipv6(self, dvs):
             "SAI_BFD_SESSION_ATTR_SRC_IP_ADDRESS": "2000::1",
             "SAI_BFD_SESSION_ATTR_DST_IP_ADDRESS": "2000::2",
             "SAI_BFD_SESSION_ATTR_TYPE": "SAI_BFD_SESSION_TYPE_ASYNC_ACTIVE",
+            "SAI_BFD_SESSION_ATTR_TOS": "192",
             "SAI_BFD_SESSION_ATTR_IPHDR_VERSION": "6"
         }
         self.check_asic_bfd_session_value(session, expected_adb_values)
@@ -142,6 +144,7 @@ def test_addRemoveBfdSession_interface(self, dvs):
             "SAI_BFD_SESSION_ATTR_SRC_IP_ADDRESS": "10.0.0.1",
             "SAI_BFD_SESSION_ATTR_DST_IP_ADDRESS": "10.0.0.2",
             "SAI_BFD_SESSION_ATTR_TYPE": "SAI_BFD_SESSION_TYPE_ASYNC_ACTIVE",
+            "SAI_BFD_SESSION_ATTR_TOS": "192",
             "SAI_BFD_SESSION_ATTR_IPHDR_VERSION": "4",
             "SAI_BFD_SESSION_ATTR_HW_LOOKUP_VALID": "false",
             "SAI_BFD_SESSION_ATTR_DST_MAC_ADDRESS": "00:02:03:04:05:06"
@@ -184,6 +187,7 @@ def test_addRemoveBfdSession_txrx_interval(self, dvs):
             "SAI_BFD_SESSION_ATTR_SRC_IP_ADDRESS": "10.0.0.1",
             "SAI_BFD_SESSION_ATTR_DST_IP_ADDRESS": "10.0.0.2",
             "SAI_BFD_SESSION_ATTR_TYPE": "SAI_BFD_SESSION_TYPE_ASYNC_ACTIVE",
+            "SAI_BFD_SESSION_ATTR_TOS": "192",
             "SAI_BFD_SESSION_ATTR_IPHDR_VERSION": "4",
             "SAI_BFD_SESSION_ATTR_MIN_TX": "300000",
             "SAI_BFD_SESSION_ATTR_MIN_RX": "500000",
@@ -226,6 +230,7 @@ def test_addRemoveBfdSession_multiplier(self, dvs):
             "SAI_BFD_SESSION_ATTR_SRC_IP_ADDRESS": "10.0.0.1",
             "SAI_BFD_SESSION_ATTR_DST_IP_ADDRESS": "10.0.0.2",
             "SAI_BFD_SESSION_ATTR_TYPE": "SAI_BFD_SESSION_TYPE_ASYNC_ACTIVE",
+            "SAI_BFD_SESSION_ATTR_TOS": "192",
             "SAI_BFD_SESSION_ATTR_IPHDR_VERSION": "4",
             "SAI_BFD_SESSION_ATTR_MULTIPLIER": "5"
         }
@@ -267,6 +272,7 @@ def test_addRemoveBfdSession_multihop(self, dvs):
             "SAI_BFD_SESSION_ATTR_SRC_IP_ADDRESS": "10.0.0.1",
             "SAI_BFD_SESSION_ATTR_DST_IP_ADDRESS": "10.0.0.2",
             "SAI_BFD_SESSION_ATTR_TYPE": "SAI_BFD_SESSION_TYPE_ASYNC_ACTIVE",
+            "SAI_BFD_SESSION_ATTR_TOS": "192",
             "SAI_BFD_SESSION_ATTR_IPHDR_VERSION": "4",
             "SAI_BFD_SESSION_ATTR_MULTIHOP": "true"
         }
@@ -308,6 +314,7 @@ def test_addRemoveBfdSession_type(self, dvs):
             "SAI_BFD_SESSION_ATTR_SRC_IP_ADDRESS": "10.0.0.1",
             "SAI_BFD_SESSION_ATTR_DST_IP_ADDRESS": "10.0.0.2",
             "SAI_BFD_SESSION_ATTR_TYPE": "SAI_BFD_SESSION_TYPE_DEMAND_ACTIVE",
+            "SAI_BFD_SESSION_ATTR_TOS": "192",
             "SAI_BFD_SESSION_ATTR_IPHDR_VERSION": "4"
         }
         self.check_asic_bfd_session_value(session, expected_adb_values)
@@ -350,6 +357,7 @@ def test_multipleBfdSessions(self, dvs):
             "SAI_BFD_SESSION_ATTR_SRC_IP_ADDRESS": "10.0.0.1",
             "SAI_BFD_SESSION_ATTR_DST_IP_ADDRESS": "10.0.0.2",
             "SAI_BFD_SESSION_ATTR_TYPE": "SAI_BFD_SESSION_TYPE_ASYNC_ACTIVE",
+            "SAI_BFD_SESSION_ATTR_TOS": "192",
             "SAI_BFD_SESSION_ATTR_IPHDR_VERSION": "4"
         }
         self.check_asic_bfd_session_value(session1, expected_adb_values)
@@ -376,6 +384,7 @@ def test_multipleBfdSessions(self, dvs):
             "SAI_BFD_SESSION_ATTR_SRC_IP_ADDRESS": "10.0.0.1",
             "SAI_BFD_SESSION_ATTR_DST_IP_ADDRESS": "10.0.1.2",
             "SAI_BFD_SESSION_ATTR_TYPE": "SAI_BFD_SESSION_TYPE_ASYNC_ACTIVE",
+            "SAI_BFD_SESSION_ATTR_TOS": "192",
             "SAI_BFD_SESSION_ATTR_IPHDR_VERSION": "4",
             "SAI_BFD_SESSION_ATTR_MIN_TX": "300000",
             "SAI_BFD_SESSION_ATTR_MIN_RX": "500000",
@@ -404,6 +413,7 @@ def test_multipleBfdSessions(self, dvs):
             "SAI_BFD_SESSION_ATTR_SRC_IP_ADDRESS": "2000::1",
             "SAI_BFD_SESSION_ATTR_DST_IP_ADDRESS": "2000::2",
             "SAI_BFD_SESSION_ATTR_TYPE": "SAI_BFD_SESSION_TYPE_DEMAND_ACTIVE",
+            "SAI_BFD_SESSION_ATTR_TOS": "192",
             "SAI_BFD_SESSION_ATTR_IPHDR_VERSION": "6"
         }
         self.check_asic_bfd_session_value(session3, expected_adb_values)
@@ -430,6 +440,7 @@ def test_multipleBfdSessions(self, dvs):
             "SAI_BFD_SESSION_ATTR_SRC_IP_ADDRESS": "3000::1",
             "SAI_BFD_SESSION_ATTR_DST_IP_ADDRESS": "3000::2",
             "SAI_BFD_SESSION_ATTR_TYPE": "SAI_BFD_SESSION_TYPE_ASYNC_ACTIVE",
+            "SAI_BFD_SESSION_ATTR_TOS": "192",
             "SAI_BFD_SESSION_ATTR_IPHDR_VERSION": "6"
         }
         self.check_asic_bfd_session_value(session4, expected_adb_values)