diff --git a/xos/tosca/resources/accessagent.py b/xos/tosca/resources/accessagent.py
new file mode 100644
index 0000000..fedf959
--- /dev/null
+++ b/xos/tosca/resources/accessagent.py
@@ -0,0 +1,65 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+from services.volt.models import AccessAgent, VOLTDevice, VOLTService, AgentPortMapping
+from xosresource import XOSResource
+
+class XOSAccessAgent(XOSResource):
+    provides = "tosca.nodes.AccessAgent"
+    xos_model = AccessAgent
+    copyin_props = ["mac"]
+
+    def get_xos_args(self, throw_exception=True):
+        args = super(XOSAccessAgent, self).get_xos_args()
+
+        volt_service_name = self.get_requirement("tosca.relationships.MemberOfService", throw_exception=throw_exception)
+        if volt_service_name:
+            args["volt_service"] = self.get_xos_object(VOLTService, throw_exception=throw_exception, name=volt_service_name)
+
+        return args
+
+    def postprocess(self, obj):
+        # For convenient, allow the port mappings to be specified by a Tosca
+        # string with commas between lines.
+        #      <port> <mac>,
+        #      <port> <mac>,
+        #      ...
+        #      <port> <mac>
+
+        port_mappings_str = self.get_property("port_mappings")
+        port_mappings = []
+        if port_mappings_str:
+            lines = [x.strip() for x in port_mappings_str.split(",")]
+            for line in lines:
+                if not (" " in line):
+                    raise "Malformed port mapping `%s`", line
+                (port, mac) = line.split(" ")
+                port=port.strip()
+                mac=mac.strip()
+                port_mappings.append( (port, mac) )
+
+            for apm in list(AgentPortMapping.objects.filter(access_agent=obj)):
+                if (apm.port, apm.mac) not in port_mappings:
+                    print "Deleting AgentPortMapping '%s'" % apm
+                    apm.delete()
+
+            for port_mapping in port_mappings:
+                existing_objs = AgentPortMapping.objects.filter(access_agent=obj, port=port_mapping[0], mac=port_mapping[1])
+                if not existing_objs:
+                    apm = AgentPortMapping(access_agent=obj, port=port_mapping[0], mac=port_mapping[1])
+                    apm.save()
+                    print "Created AgentPortMapping '%s'" % apm
+