diff --git a/vmware_nsxlib/tests/unit/v3/policy/test_lb_resources.py b/vmware_nsxlib/tests/unit/v3/policy/test_lb_resources.py
index faa23afb..309d99fa 100644
--- a/vmware_nsxlib/tests/unit/v3/policy/test_lb_resources.py
+++ b/vmware_nsxlib/tests/unit/v3/policy/test_lb_resources.py
@@ -1490,6 +1490,8 @@ class TestPolicyLBPoolApi(test_resources.NsxPolicyLibTestCase):
                 algorithm=algorithm,
                 member_group=member_group,
                 snat_translation=snat_translation,
+                tcp_multiplexing_enabled=True,
+                tcp_multiplexing_number=10,
                 tenant=TEST_TENANT)
             expected_def = lb_defs.LBPoolDef(
                 lb_pool_id=obj_id,
@@ -1500,6 +1502,8 @@ class TestPolicyLBPoolApi(test_resources.NsxPolicyLibTestCase):
                 algorithm=algorithm,
                 member_group=member_group,
                 snat_translation=snat_translation,
+                tcp_multiplexing_enabled=True,
+                tcp_multiplexing_number=10,
                 tenant=TEST_TENANT)
             self.assert_called_with_def(api_call, expected_def)
             self.assertEqual(obj_id, result)
@@ -1635,6 +1639,8 @@ class TestPolicyLBPoolApi(test_resources.NsxPolicyLibTestCase):
                                     algorithm=algorithm,
                                     member_group=member_group,
                                     snat_translation=snat_translation,
+                                    tcp_multiplexing_enabled=True,
+                                    tcp_multiplexing_number=10,
                                     tenant=TEST_TENANT)
             expected_def = lb_defs.LBPoolDef(
                 lb_pool_id=obj_id,
@@ -1645,6 +1651,8 @@ class TestPolicyLBPoolApi(test_resources.NsxPolicyLibTestCase):
                 algorithm=algorithm,
                 member_group=member_group,
                 snat_translation=snat_translation,
+                tcp_multiplexing_enabled=True,
+                tcp_multiplexing_number=10,
                 tenant=TEST_TENANT)
             self.assert_called_with_def(update_call, expected_def)
 
diff --git a/vmware_nsxlib/v3/policy/lb_defs.py b/vmware_nsxlib/v3/policy/lb_defs.py
index 14906a88..325b1295 100644
--- a/vmware_nsxlib/v3/policy/lb_defs.py
+++ b/vmware_nsxlib/v3/policy/lb_defs.py
@@ -242,7 +242,8 @@ class LBPoolDef(ResourceDef):
         body = super(LBPoolDef, self).get_obj_dict()
         self._set_attrs_if_specified(
             body, ['active_monitor_paths',
-                   'algorithm', 'member_group', 'snat_translation'])
+                   'algorithm', 'member_group', 'snat_translation',
+                   'tcp_multiplexing_enabled', 'tcp_multiplexing_number'])
         members = self.get_attr('members')
         if members is None:
             members = []
diff --git a/vmware_nsxlib/v3/policy/lb_resources.py b/vmware_nsxlib/v3/policy/lb_resources.py
index 22957a60..252c4bee 100644
--- a/vmware_nsxlib/v3/policy/lb_resources.py
+++ b/vmware_nsxlib/v3/policy/lb_resources.py
@@ -474,6 +474,8 @@ class NsxPolicyLoadBalancerPoolApi(NsxPolicyResourceBase):
                             tags=IGNORE, members=IGNORE, algorithm=IGNORE,
                             active_monitor_paths=IGNORE, member_group=IGNORE,
                             snat_translation=IGNORE,
+                            tcp_multiplexing_enabled=IGNORE,
+                            tcp_multiplexing_number=IGNORE,
                             tenant=constants.POLICY_INFRA_TENANT):
         lb_pool_id = self._init_obj_uuid(lb_pool_id)
         lb_pool_def = self._init_def(
@@ -486,6 +488,8 @@ class NsxPolicyLoadBalancerPoolApi(NsxPolicyResourceBase):
             algorithm=algorithm,
             member_group=member_group,
             snat_translation=snat_translation,
+            tcp_multiplexing_enabled=tcp_multiplexing_enabled,
+            tcp_multiplexing_number=tcp_multiplexing_number,
             tenant=tenant)
 
         self._create_or_store(lb_pool_def)
@@ -510,7 +514,8 @@ class NsxPolicyLoadBalancerPoolApi(NsxPolicyResourceBase):
     def update(self, lb_pool_id, name=IGNORE, description=IGNORE,
                tags=IGNORE, members=IGNORE, algorithm=IGNORE,
                active_monitor_paths=IGNORE, member_group=IGNORE,
-               snat_translation=IGNORE,
+               snat_translation=IGNORE, tcp_multiplexing_enabled=IGNORE,
+               tcp_multiplexing_number=IGNORE,
                tenant=constants.POLICY_INFRA_TENANT,
                allow_partial_updates=True):
         self._update(
@@ -523,6 +528,8 @@ class NsxPolicyLoadBalancerPoolApi(NsxPolicyResourceBase):
             algorithm=algorithm,
             member_group=member_group,
             snat_translation=snat_translation,
+            tcp_multiplexing_enabled=tcp_multiplexing_enabled,
+            tcp_multiplexing_number=tcp_multiplexing_number,
             tenant=tenant, allow_partial_updates=allow_partial_updates)
 
     def add_monitor_to_pool(self, lb_pool_id, active_monitor_paths,