diff --git a/tests/qos/test_qos_dscp_mapping.py b/tests/qos/test_qos_dscp_mapping.py
index 3def8da01e0..8c732ee1526 100644
--- a/tests/qos/test_qos_dscp_mapping.py
+++ b/tests/qos/test_qos_dscp_mapping.py
@@ -500,8 +500,14 @@ def test_dscp_to_queue_mapping(self, ptfadapter, rand_selected_dut, localhost, d
         with allure.step("Run test"):
             self._run_test(ptfadapter, duthost, tbinfo, test_params, inner_dst_ip_list, dut_qos_maps_module, dscp_mode)
 
-        if completeness_level != "basic" and \
-                not duthost.dut_basic_facts()['ansible_facts']['dut_basic_facts'].get("is_smartswitch"):
+        is_smartswitch = duthost.dut_basic_facts()['ansible_facts']['dut_basic_facts'].get("is_smartswitch", False)
+        topo_name = tbinfo["topo"]["name"]
+        if (
+            completeness_level != "basic"
+            and not is_smartswitch
+            and "dualtor" not in topo_name
+            and "t1" not in topo_name
+        ):
             with allure.step("Do warm-reboot"):
                 reboot(duthost, localhost, reboot_type="warm", safe_reboot=True, check_intf_up_ports=True,
                        wait_warmboot_finalizer=True)