diff --git a/rsd_lib/resources/v2_1/ethernet_switch/acl.py b/rsd_lib/resources/v2_1/ethernet_switch/acl.py
index 52b1d47..2f47dc0 100644
--- a/rsd_lib/resources/v2_1/ethernet_switch/acl.py
+++ b/rsd_lib/resources/v2_1/ethernet_switch/acl.py
@@ -19,8 +19,13 @@ from sushy import utils
 from rsd_lib.resources.v2_1.ethernet_switch import acl_rule
 
 
-class ACL(base.ResourceBase):
+class LinksField(base.CompositeField):
+    bound_ports = base.Field('BoundPorts',
+                             adapter=utils.get_members_identities)
+    """return a EthernetSwitchPort collection"""
 
+
+class ACL(base.ResourceBase):
     identity = base.Field('Id', required=True)
     """The acl identity string"""
 
@@ -33,7 +38,7 @@ class ACL(base.ResourceBase):
     oem = base.Field('Oem')
     """The acl oem info"""
 
-    links = base.Field('Links')
+    links = LinksField('Links')
     """The acl links"""
 
     def __init__(self, connector, identity, redfish_version=None):
diff --git a/rsd_lib/tests/unit/resources/v2_1/ethernet_switch/test_acl.py b/rsd_lib/tests/unit/resources/v2_1/ethernet_switch/test_acl.py
index a0073cc..c33b183 100644
--- a/rsd_lib/tests/unit/resources/v2_1/ethernet_switch/test_acl.py
+++ b/rsd_lib/tests/unit/resources/v2_1/ethernet_switch/test_acl.py
@@ -30,8 +30,8 @@ class ACLTestCase(testtools.TestCase):
         super(ACLTestCase, self).setUp()
         self.conn = mock.Mock()
         with open(
-            'rsd_lib/tests/unit/json_samples/v2_1/ethernet_switch_acl.json',
-                'r') as f:
+                'rsd_lib/tests/unit/json_samples/v2_1/ethernet_switch_acl.'
+                'json', 'r') as f:
             self.conn.get.return_value.json.return_value = json.loads(f.read())
 
         self.acl_inst = acl.ACL(
@@ -47,6 +47,8 @@ class ACLTestCase(testtools.TestCase):
                          self.acl_inst.name)
         self.assertEqual('Switch ACL', self.acl_inst.description)
         self.assertEqual({}, self.acl_inst.oem)
+        self.assertEqual(('/redfish/v1/EthernetSwitches/Switch1/Ports/sw0p1',),
+                         self.acl_inst.links.bound_ports)
 
     def test__get_acl_rule_collection_path(self):
         self.assertEqual(