diff --git a/tests/ut/test_fdb_ut.py b/tests/ut/test_fdb_ut.py
index 46b4ecd3..af9a4305 100644
--- a/tests/ut/test_fdb_ut.py
+++ b/tests/ut/test_fdb_ut.py
@@ -89,3 +89,76 @@ def test_duplicated_remove(self, npu):
         status = npu.remove_fdb(npu.default_vlan_oid, TestFdbEntry.mac, do_assert=False)
         assert status == "SAI_STATUS_ITEM_NOT_FOUND"
 
+
+class TestFlushFdbEntries:
+    dynamic_entries = ["00:00:00:00:00:11", "00:00:00:00:00:22"]
+    static_entries  = ["00:00:00:00:00:33", "00:00:00:00:00:44"]
+
+    def flush_fdb_entries(self, npu, entries_type):
+        for mac in TestFlushFdbEntries.dynamic_entries:
+            npu.create_fdb(npu.default_vlan_oid, mac, npu.dot1q_bp_oids[0], f"SAI_FDB_ENTRY_TYPE_DYNAMIC")
+
+        for mac in TestFlushFdbEntries.static_entries:
+            npu.create_fdb(npu.default_vlan_oid, mac, npu.dot1q_bp_oids[0], f"SAI_FDB_ENTRY_TYPE_STATIC")
+
+        npu.flush_fdb_entries(npu.switch_oid, [
+            "SAI_FDB_FLUSH_ATTR_BV_ID", npu.default_vlan_oid,
+            "SAI_FDB_FLUSH_ATTR_ENTRY_TYPE", f"SAI_FDB_FLUSH_ENTRY_TYPE_{entries_type}"
+        ])
+
+    def test_flush_dynamic(self, npu):
+        self.flush_fdb_entries(npu, "DYNAMIC")
+
+        flushed = []
+        not_flushed = []
+
+        for mac in TestFlushFdbEntries.dynamic_entries:
+            status = npu.remove_fdb(npu.default_vlan_oid, mac, do_assert=False)
+            if status == "SAI_STATUS_SUCCESS":
+                not_flushed.append(mac)
+        for mac in TestFlushFdbEntries.static_entries:
+            status = npu.remove_fdb(npu.default_vlan_oid, mac, do_assert=False)
+            if status != "SAI_STATUS_SUCCESS":
+                flushed.append(mac)
+
+        msg  = "" if len(not_flushed) == 0 else f"Dynamic FDB entries {not_flushed} have not been flushed. "
+        msg += "" if len(flushed) == 0 else  f"Static FDB entries {flushed} have been flushed."
+        assert not msg, msg
+
+    def test_flush_static(self, npu):
+        self.flush_fdb_entries(npu, "STATIC")
+
+        flushed = []
+        not_flushed = []
+
+        for mac in TestFlushFdbEntries.dynamic_entries:
+            status = npu.remove_fdb(npu.default_vlan_oid, mac, do_assert=False)
+            if status != "SAI_STATUS_SUCCESS":
+                flushed.append(mac)
+        for mac in TestFlushFdbEntries.static_entries:
+            status = npu.remove_fdb(npu.default_vlan_oid, mac, do_assert=False)
+            if status == "SAI_STATUS_SUCCESS":
+                not_flushed.append(mac)
+
+        msg  = "" if len(not_flushed) == 0 else f"Static FDB entries {not_flushed} have not been flushed. "
+        msg += "" if len(flushed) == 0 else  f"Dynamic FDB entries {flushed} have been flushed."
+        assert not msg, msg
+
+    def test_flush_all(self, npu):
+        self.flush_fdb_entries(npu, "ALL")
+
+        not_flushed_dynamic = []
+        not_flushed_static = []
+
+        for mac in TestFlushFdbEntries.dynamic_entries:
+            status = npu.remove_fdb(npu.default_vlan_oid, mac, do_assert=False)
+            if status == "SAI_STATUS_SUCCESS":
+                not_flushed_dynamic.append(mac)
+        for mac in TestFlushFdbEntries.static_entries:
+            status = npu.remove_fdb(npu.default_vlan_oid, mac, do_assert=False)
+            if status == "SAI_STATUS_SUCCESS":
+                not_flushed_static.append(mac)
+
+        msg  = "" if len(not_flushed_static) == 0 else f"Static FDB entries {not_flushed_static} have not been flushed. "
+        msg += "" if len(not_flushed_dynamic) == 0 else  f"Dynamic FDB entries {not_flushed_dynamic} have not been flushed."
+        assert not msg, msg