diff --git a/sonic-xcvrd/tests/test_xcvrd.py b/sonic-xcvrd/tests/test_xcvrd.py
index 2581c7a0d..6123bef39 100644
--- a/sonic-xcvrd/tests/test_xcvrd.py
+++ b/sonic-xcvrd/tests/test_xcvrd.py
@@ -764,6 +764,89 @@ def get_host_lane_assignment_option_side_effect(app):
         appl = task.get_cmis_application_desired(mock_xcvr_api, host_lane_count, speed)
         assert task.get_cmis_host_lanes_mask(mock_xcvr_api, appl, host_lane_count, subport) == expected
 
+    def test_CmisManagerTask_post_port_active_apsel_to_db(self):
+        mock_xcvr_api = MagicMock()
+        mock_xcvr_api.get_active_apsel_hostlane = MagicMock(side_effect=[
+            {
+             'ActiveAppSelLane1': 1,
+             'ActiveAppSelLane2': 1,
+             'ActiveAppSelLane3': 1,
+             'ActiveAppSelLane4': 1,
+             'ActiveAppSelLane5': 1,
+             'ActiveAppSelLane6': 1,
+             'ActiveAppSelLane7': 1,
+             'ActiveAppSelLane8': 1
+            },
+            {
+             'ActiveAppSelLane1': 2,
+             'ActiveAppSelLane2': 2,
+             'ActiveAppSelLane3': 2,
+             'ActiveAppSelLane4': 2,
+             'ActiveAppSelLane5': 2,
+             'ActiveAppSelLane6': 2,
+             'ActiveAppSelLane7': 2,
+             'ActiveAppSelLane8': 2
+            },
+            NotImplementedError
+        ])
+        mock_xcvr_api.get_application_advertisement = MagicMock(side_effect=[
+            {
+                1: {
+                    'media_lane_count': 4,
+                    'host_lane_count': 8
+                }
+            },
+            {
+                2: {
+                    'media_lane_count': 1,
+                    'host_lane_count': 2
+                }
+            }
+        ])
+
+        int_tbl = Table("STATE_DB", TRANSCEIVER_INFO_TABLE)
+
+        port_mapping = PortMapping()
+        stop_event = threading.Event()
+        task = CmisManagerTask(DEFAULT_NAMESPACE, port_mapping, stop_event)
+        task.xcvr_table_helper.get_intf_tbl = MagicMock(return_value=int_tbl)
+
+        # case: partial lanes update
+        lport = "Ethernet0"
+        host_lanes_mask = 0xc
+        ret = task.post_port_active_apsel_to_db(mock_xcvr_api, lport, host_lanes_mask)
+        assert int_tbl.getKeys() == ["Ethernet0"]
+        assert dict(int_tbl.mock_dict["Ethernet0"]) == {'active_apsel_hostlane3': '1',
+                                                        'active_apsel_hostlane4': '1',
+                                                        'host_lane_count': '8',
+                                                        'media_lane_count': '4'}
+        # case: full lanes update
+        lport = "Ethernet8"
+        host_lanes_mask = 0xff
+        task.post_port_active_apsel_to_db(mock_xcvr_api, lport, host_lanes_mask)
+        assert int_tbl.getKeys() == ["Ethernet0", "Ethernet8"]
+        assert dict(int_tbl.mock_dict["Ethernet0"]) == {'active_apsel_hostlane3': '1',
+                                                        'active_apsel_hostlane4': '1',
+                                                        'host_lane_count': '8',
+                                                        'media_lane_count': '4'}
+        assert dict(int_tbl.mock_dict["Ethernet8"]) == {'active_apsel_hostlane1': '2',
+                                                        'active_apsel_hostlane2': '2',
+                                                        'active_apsel_hostlane3': '2',
+                                                        'active_apsel_hostlane4': '2',
+                                                        'active_apsel_hostlane5': '2',
+                                                        'active_apsel_hostlane6': '2',
+                                                        'active_apsel_hostlane7': '2',
+                                                        'active_apsel_hostlane8': '2',
+                                                        'host_lane_count': '2',
+                                                        'media_lane_count': '1'}
+
+        # case: NotImplementedError
+        int_tbl = Table("STATE_DB", TRANSCEIVER_INFO_TABLE)     # a new empty table
+        lport = "Ethernet0"
+        host_lanes_mask = 0xf
+        ret = task.post_port_active_apsel_to_db(mock_xcvr_api, lport, host_lanes_mask)
+        assert int_tbl.getKeys() == []
+
     @patch('xcvrd.xcvrd.platform_chassis')
     @patch('xcvrd.xcvrd_utilities.port_mapping.subscribe_port_update_event', MagicMock(return_value=(None, None)))
     @patch('xcvrd.xcvrd_utilities.port_mapping.handle_port_update_event', MagicMock())
diff --git a/sonic-xcvrd/xcvrd/xcvrd.py b/sonic-xcvrd/xcvrd/xcvrd.py
index f59cf6433..8a273e062 100644
--- a/sonic-xcvrd/xcvrd/xcvrd.py
+++ b/sonic-xcvrd/xcvrd/xcvrd.py
@@ -1335,6 +1335,36 @@ def configure_laser_frequency(self, api, lport, freq, grid=75):
             self.log_error("{} Tuning in progress, subport selection may fail!".format(lport))
         return api.set_laser_freq(freq, grid)
 
+    def post_port_active_apsel_to_db(self, api, lport, host_lanes_mask):
+        try:
+            act_apsel = api.get_active_apsel_hostlane()
+            appl_advt = api.get_application_advertisement()
+        except NotImplementedError:
+            helper_logger.log_error("Required feature is not implemented")
+            return
+
+        tuple_list = []
+        for lane in range(self.CMIS_MAX_HOST_LANES):
+            if ((1 << lane) & host_lanes_mask) == 0:
+                continue
+            act_apsel_lane = act_apsel.get('ActiveAppSelLane{}'.format(lane + 1), 'N/A')
+            tuple_list.append(('active_apsel_hostlane{}'.format(lane + 1),
+                               str(act_apsel_lane)))
+
+        # also update host_lane_count and media_lane_count
+        if len(tuple_list) > 0:
+            appl_advt_act = appl_advt.get(act_apsel_lane)
+            host_lane_count = appl_advt_act.get('host_lane_count', 'N/A') if appl_advt_act else 'N/A'
+            tuple_list.append(('host_lane_count', str(host_lane_count)))
+            media_lane_count = appl_advt_act.get('media_lane_count', 'N/A') if appl_advt_act else 'N/A'
+            tuple_list.append(('media_lane_count', str(media_lane_count)))
+
+        asic_index = self.port_mapping.get_asic_id_for_logical_port(lport)
+        intf_tbl = self.xcvr_table_helper.get_intf_tbl(asic_index)
+        fvs = swsscommon.FieldValuePairs(tuple_list)
+        intf_tbl.set(lport, fvs)
+        self.log_notice("{}: updated TRANSCEIVER_INFO_TABLE {}".format(lport, tuple_list))
+
     def wait_for_port_config_done(self, namespace):
         # Connect to APPL_DB and subscribe to PORT table notifications
         appl_db = daemon_base.db_connect("APPL_DB", namespace=namespace)
@@ -1641,6 +1671,7 @@ def task_worker(self):
 
                         self.log_notice("{}: READY".format(lport))
                         self.port_dict[lport]['cmis_state'] = self.CMIS_STATE_READY
+                        self.post_port_active_apsel_to_db(api, lport, host_lanes_mask)
 
                 except (NotImplementedError, AttributeError) as e:
                     self.log_error("{}: internal errors due to {}".format(lport, e))