diff --git a/tests/TestSuite_multiprocess.py b/tests/TestSuite_multiprocess.py
index 4fdc8c27..55e5d555 100644
--- a/tests/TestSuite_multiprocess.py
+++ b/tests/TestSuite_multiprocess.py
@@ -757,6 +757,19 @@ class TestMultiprocess(TestCase):
             "some subcases failed, detail as below:{}".format(msg),
         )
 
+    def check_port_status(self, pmd_output, port_id, status=True):
+        port_status = pmd_output.get_port_link_status(port_id)
+        if status:
+            self.verify(
+                port_status == "up",
+                "The expected link state is up, but the actual status is down",
+            )
+        else:
+            self.verify(
+                port_status == "down",
+                "The expected link state is down, but the actual status is up",
+            )
+
     def test_multiprocess_simple_mpbasicoperation(self):
         """
         Basic operation.
@@ -1691,6 +1704,90 @@ class TestMultiprocess(TestCase):
         }
         self.rte_flow(mac_ipv4_symmetric, self.multiprocess_rss_data, **pmd_param)
 
+    def test_multiprocess_port_stop(self):
+        packets = [
+            'Ether(dst="00:11:22:33:44:55", src="52:00:00:00:00:00")/IP()/Raw(load="P"*20)',
+        ]
+        # start testpmd multi-process
+        self.launch_multi_testpmd(
+            proc_type="auto",
+            queue_num=8,
+            process_num=2,
+        )
+        for pmd_output in self.pmd_output_list:
+            pmd_output.execute_cmd("stop")
+        # set primary process port stop
+        self.pmd_output_list[0].execute_cmd("port stop 0")
+        self.pmd_output_list[1].execute_cmd("start")
+        fdir_pro = fdirprocess(
+            self,
+            self.pmd_output_list[1],
+            self.tester_ifaces,
+            rxq=8,
+        )
+        out = self.send_pkt_get_output(fdir_pro, packets, port_id=0, count=1)
+        # Check that no packet was received
+        self.check_pkt_num(out, port_id=0, pkt_num=0)
+        for pmd_output in self.pmd_output_list:
+            pmd_output.quit()
+
+        # start testpmd multi-process
+        self.launch_multi_testpmd(
+            proc_type="auto",
+            queue_num=8,
+            process_num=2,
+        )
+        for pmd_output in self.pmd_output_list:
+            pmd_output.execute_cmd("stop")
+        # set secondary process port stop
+        self.pmd_output_list[1].execute_cmd("port stop 0")
+        self.pmd_output_list[0].execute_cmd("start")
+        fdir_pro = fdirprocess(
+            self,
+            self.pmd_output_list[0],
+            self.tester_ifaces,
+            rxq=8,
+        )
+        out = self.send_pkt_get_output(fdir_pro, packets, port_id=0, count=1)
+        # Check that one packet was received in primary process
+        self.check_pkt_num(out, port_id=0, pkt_num=len(packets))
+
+    def test_multiprocess_port_reset(self):
+        # start testpmd multi-process
+        self.launch_multi_testpmd(
+            proc_type="auto",
+            queue_num=8,
+            process_num=2,
+        )
+        for pmd_output in self.pmd_output_list:
+            pmd_output.execute_cmd("stop")
+            self.check_port_status(pmd_output, port_id=0, status=True)
+        # set primary process port reset
+        self.pmd_output_list[0].execute_cmd("port stop 0")
+        self.pmd_output_list[0].execute_cmd("port reset 0")
+        # Check that link status of port 0 is 'down' in secondary process and primary process
+        self.check_port_status(self.pmd_output_list[0], port_id=0, status=False)
+        self.check_port_status(self.pmd_output_list[1], port_id=0, status=False)
+
+        for pmd_output in self.pmd_output_list:
+            pmd_output.quit()
+
+        # start testpmd multi-process
+        self.launch_multi_testpmd(
+            proc_type="auto",
+            queue_num=8,
+            process_num=2,
+        )
+        for pmd_output in self.pmd_output_list:
+            pmd_output.execute_cmd("stop")
+            self.check_port_status(pmd_output, port_id=0, status=True)
+        # set secondary process port reset
+        self.pmd_output_list[1].execute_cmd("port stop 0")
+        self.pmd_output_list[1].execute_cmd("port reset 0")
+        # Check that link status of port 0 is 'up' in secondary process and primary process
+        self.check_port_status(self.pmd_output_list[0], port_id=0, status=True)
+        self.check_port_status(self.pmd_output_list[1], port_id=0, status=True)
+
     def test_perf_multiprocess_performance(self):
         """
         Benchmark Multiprocess performance.
@@ -1926,4 +2023,3 @@ class TestMultiprocess(TestCase):
         Run after each test suite.
         """
         self.dut.kill_all()
-        pass
