diff --git a/Dockerfile.synchronizer b/Dockerfile.synchronizer
index ebd6c2e..2c0ae3a 100644
--- a/Dockerfile.synchronizer
+++ b/Dockerfile.synchronizer
@@ -16,7 +16,7 @@
 
 # xosproject/volt-synchronizer
 
-FROM xosproject/xos-synchronizer-base:2.1.38
+FROM xosproject/xos-synchronizer-base:2.1.50
 
 COPY xos/synchronizer /opt/xos/synchronizers/volt
 COPY VERSION /opt/xos/synchronizers/volt/
diff --git a/xos/synchronizer/migrations/0001_initial.py b/xos/synchronizer/migrations/0001_initial.py
new file mode 100644
index 0000000..3146a40
--- /dev/null
+++ b/xos/synchronizer/migrations/0001_initial.py
@@ -0,0 +1,353 @@
+#!/usr/bin/python
+
+# 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 __future__ import unicode_literals
+
+import core.models.xosbase_header
+from django.db import migrations, models
+import django.db.models.deletion
+import django.utils.timezone
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('core', '0002_initial_data'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='OLTDevice_decl',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', models.DateTimeField(auto_now_add=True, help_text=b'Time this model was created')),
+                ('updated', models.DateTimeField(default=django.utils.timezone.now, help_text=b'Time this model was changed by a non-synchronizer')),
+                ('enacted', models.DateTimeField(blank=True, default=None, help_text=b'When synced, set to the timestamp of the data that was synced', null=True)),
+                ('policed', models.DateTimeField(blank=True, default=None, help_text=b'When policed, set to the timestamp of the data that was policed', null=True)),
+                ('backend_register', models.CharField(blank=True, default=b'{}', max_length=1024, null=True)),
+                ('backend_need_delete', models.BooleanField(default=False)),
+                ('backend_need_reap', models.BooleanField(default=False)),
+                ('backend_status', models.CharField(default=b'Provisioning in progress', max_length=1024, null=True)),
+                ('backend_code', models.IntegerField(default=0)),
+                ('deleted', models.BooleanField(default=False)),
+                ('write_protect', models.BooleanField(default=False)),
+                ('lazy_blocked', models.BooleanField(default=False)),
+                ('no_sync', models.BooleanField(default=False)),
+                ('no_policy', models.BooleanField(default=False)),
+                ('policy_status', models.CharField(blank=True, default=b'Policy in process', max_length=1024, null=True)),
+                ('policy_code', models.IntegerField(blank=True, default=0, null=True)),
+                ('leaf_model_name', models.CharField(help_text=b'The most specialized model in this chain of inheritance, often defined by a service developer', max_length=1024)),
+                ('backend_need_delete_policy', models.BooleanField(default=False, help_text=b'True if delete model_policy must be run before object can be reaped')),
+                ('xos_managed', models.BooleanField(default=True, help_text=b'True if xos is responsible for creating/deleting this object')),
+                ('backend_handle', models.CharField(blank=True, help_text=b'Handle used by the backend to track this object', max_length=1024, null=True)),
+                ('changed_by_step', models.DateTimeField(blank=True, default=None, help_text=b'Time this model was changed by a sync step', null=True)),
+                ('changed_by_policy', models.DateTimeField(blank=True, default=None, help_text=b'Time this model was changed by a model policy', null=True)),
+                ('name', models.CharField(blank=True, help_text=b'Human-readable name of device', max_length=254, null=True, unique=True)),
+                ('device_type', models.CharField(default=b'openolt', help_text=b'Phyiscal Device Type', max_length=254)),
+                ('host', models.CharField(blank=True, help_text=b'IP Address of physical OLT Device', max_length=254, null=True)),
+                ('port', models.IntegerField(blank=True, help_text=b'Port Number of physical OLT Device', null=True)),
+                ('mac_address', models.TextField(blank=True, help_text=b'Mac address of physical OLT Device', null=True)),
+                ('serial_number', models.TextField(blank=True, help_text=b'Serial Number', null=True)),
+                ('device_id', models.TextField(blank=True, help_text=b'Voltha Device ID', null=True)),
+                ('admin_state', models.TextField(blank=True, choices=[(b'DISABLED', b'DISABLED'), (b'ENABLED', b'ENABLED')], default=b'ENABLED', help_text=b'admin state, whether OLT should be enabled', null=True)),
+                ('oper_status', models.TextField(blank=True, help_text=b'operational status, whether OLT is active', null=True)),
+                ('of_id', models.TextField(blank=True, help_text=b'Logical device openflow id', null=True)),
+                ('dp_id', models.TextField(blank=True, help_text=b'Logical device datapath id', null=True)),
+                ('uplink', models.TextField(help_text=b'uplink port, exposed via sadis')),
+                ('driver', models.TextField(default=b'voltha', help_text=b'DEPRECATED')),
+                ('switch_datapath_id', models.TextField(blank=True, help_text=b'Fabric switch to which the OLT is connected', null=True)),
+                ('switch_port', models.TextField(blank=True, help_text=b'Fabric port to which the OLT is connected', null=True)),
+                ('outer_tpid', models.TextField(blank=True, help_text=b'Outer VLAN id field EtherType', null=True)),
+                ('nas_id', models.TextField(blank=True, help_text=b'Authentication ID (propagated to the free-radius server via sadis)', null=True)),
+            ],
+            options={
+                'verbose_name': 'OLT Device',
+            },
+            bases=(models.Model, core.models.xosbase_header.PlModelMixIn),
+        ),
+        migrations.CreateModel(
+            name='ONUDevice_decl',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', models.DateTimeField(auto_now_add=True, help_text=b'Time this model was created')),
+                ('updated', models.DateTimeField(default=django.utils.timezone.now, help_text=b'Time this model was changed by a non-synchronizer')),
+                ('enacted', models.DateTimeField(blank=True, default=None, help_text=b'When synced, set to the timestamp of the data that was synced', null=True)),
+                ('policed', models.DateTimeField(blank=True, default=None, help_text=b'When policed, set to the timestamp of the data that was policed', null=True)),
+                ('backend_register', models.CharField(blank=True, default=b'{}', max_length=1024, null=True)),
+                ('backend_need_delete', models.BooleanField(default=False)),
+                ('backend_need_reap', models.BooleanField(default=False)),
+                ('backend_status', models.CharField(default=b'Provisioning in progress', max_length=1024, null=True)),
+                ('backend_code', models.IntegerField(default=0)),
+                ('deleted', models.BooleanField(default=False)),
+                ('write_protect', models.BooleanField(default=False)),
+                ('lazy_blocked', models.BooleanField(default=False)),
+                ('no_sync', models.BooleanField(default=False)),
+                ('no_policy', models.BooleanField(default=False)),
+                ('policy_status', models.CharField(blank=True, default=b'Policy in process', max_length=1024, null=True)),
+                ('policy_code', models.IntegerField(blank=True, default=0, null=True)),
+                ('leaf_model_name', models.CharField(help_text=b'The most specialized model in this chain of inheritance, often defined by a service developer', max_length=1024)),
+                ('backend_need_delete_policy', models.BooleanField(default=False, help_text=b'True if delete model_policy must be run before object can be reaped')),
+                ('xos_managed', models.BooleanField(default=True, help_text=b'True if xos is responsible for creating/deleting this object')),
+                ('backend_handle', models.CharField(blank=True, help_text=b'Handle used by the backend to track this object', max_length=1024, null=True)),
+                ('changed_by_step', models.DateTimeField(blank=True, default=None, help_text=b'Time this model was changed by a sync step', null=True)),
+                ('changed_by_policy', models.DateTimeField(blank=True, default=None, help_text=b'Time this model was changed by a model policy', null=True)),
+                ('serial_number', models.CharField(help_text=b'Serial number of ONU Device', max_length=254, unique=True)),
+                ('vendor', models.CharField(help_text=b'Vendor of ONU Device', max_length=254)),
+                ('device_type', models.CharField(default=b'asfvolt16_olt', help_text=b'Device Type', max_length=254)),
+                ('device_id', models.CharField(blank=True, help_text=b'Voltha Device ID', max_length=254, null=True)),
+                ('admin_state', models.TextField(blank=True, choices=[(b'DISABLED', b'DISABLED'), (b'ENABLED', b'ENABLED')], default=b'ENABLED', help_text=b'admin state, whether port should be enabled', null=True)),
+                ('oper_status', models.TextField(blank=True, help_text=b'oper_status', null=True)),
+                ('connect_status', models.TextField(blank=True, help_text=b'operational status, whether port is active', null=True)),
+                ('reason', models.TextField(blank=True, help_text=b'ONU device configuration state machine status message', null=True)),
+            ],
+            options={
+                'verbose_name': 'ONU Device',
+            },
+            bases=(models.Model, core.models.xosbase_header.PlModelMixIn),
+        ),
+        migrations.CreateModel(
+            name='PortBase_decl',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created', models.DateTimeField(auto_now_add=True, help_text=b'Time this model was created')),
+                ('updated', models.DateTimeField(default=django.utils.timezone.now, help_text=b'Time this model was changed by a non-synchronizer')),
+                ('enacted', models.DateTimeField(blank=True, default=None, help_text=b'When synced, set to the timestamp of the data that was synced', null=True)),
+                ('policed', models.DateTimeField(blank=True, default=None, help_text=b'When policed, set to the timestamp of the data that was policed', null=True)),
+                ('backend_register', models.CharField(blank=True, default=b'{}', max_length=1024, null=True)),
+                ('backend_need_delete', models.BooleanField(default=False)),
+                ('backend_need_reap', models.BooleanField(default=False)),
+                ('backend_status', models.CharField(default=b'Provisioning in progress', max_length=1024, null=True)),
+                ('backend_code', models.IntegerField(default=0)),
+                ('deleted', models.BooleanField(default=False)),
+                ('write_protect', models.BooleanField(default=False)),
+                ('lazy_blocked', models.BooleanField(default=False)),
+                ('no_sync', models.BooleanField(default=False)),
+                ('no_policy', models.BooleanField(default=False)),
+                ('policy_status', models.CharField(blank=True, default=b'Policy in process', max_length=1024, null=True)),
+                ('policy_code', models.IntegerField(blank=True, default=0, null=True)),
+                ('leaf_model_name', models.CharField(help_text=b'The most specialized model in this chain of inheritance, often defined by a service developer', max_length=1024)),
+                ('backend_need_delete_policy', models.BooleanField(default=False, help_text=b'True if delete model_policy must be run before object can be reaped')),
+                ('xos_managed', models.BooleanField(default=True, help_text=b'True if xos is responsible for creating/deleting this object')),
+                ('backend_handle', models.CharField(blank=True, help_text=b'Handle used by the backend to track this object', max_length=1024, null=True)),
+                ('changed_by_step', models.DateTimeField(blank=True, default=None, help_text=b'Time this model was changed by a sync step', null=True)),
+                ('changed_by_policy', models.DateTimeField(blank=True, default=None, help_text=b'Time this model was changed by a model policy', null=True)),
+                ('name', models.TextField(db_index=True, help_text=b'Human-readable name of port')),
+                ('port_no', models.IntegerField(help_text=b'Port Number')),
+                ('admin_state', models.TextField(blank=True, help_text=b'admin state, whether port should be enabled', null=True)),
+                ('oper_status', models.TextField(blank=True, help_text=b'operational status, whether port is active', null=True)),
+            ],
+            options={
+                'verbose_name': 'PortBase',
+            },
+            bases=(models.Model, core.models.xosbase_header.PlModelMixIn),
+        ),
+        migrations.CreateModel(
+            name='VOLTService_decl',
+            fields=[
+                ('service_decl_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='core.Service_decl')),
+                ('voltha_url', models.CharField(default=b'voltha.voltha.svc.cluster.local', help_text=b'The Voltha API address. By default voltha.voltha.svc.cluster.local', max_length=254)),
+                ('voltha_port', models.IntegerField(default=8882, help_text=b'The Voltha API port. By default 8882')),
+                ('voltha_user', models.CharField(default=b'voltha', help_text=b'The Voltha username. By default voltha', max_length=254)),
+                ('voltha_pass', models.CharField(default=b'admin', help_text=b'The Voltha password. By default admin', max_length=254)),
+                ('onos_voltha_url', models.CharField(default=b'onos-voltha-ui.voltha.svc.cluster.local', help_text=b'The ONOS Voltha address. By default onos-voltha-ui.voltha.svc.cluster.local', max_length=254)),
+                ('onos_voltha_port', models.IntegerField(default=8181, help_text=b'The Voltha API port. By default 8181')),
+                ('onos_voltha_user', models.CharField(default=b'onos', help_text=b'The ONOS Voltha username. By default sdn', max_length=254)),
+                ('onos_voltha_pass', models.CharField(default=b'rocks', help_text=b'The ONOS Voltha password. By default rocks', max_length=254)),
+            ],
+            options={
+                'verbose_name': 'vOLT Service',
+            },
+            bases=('core.service',),
+        ),
+        migrations.CreateModel(
+            name='VOLTServiceInstance_decl',
+            fields=[
+                ('serviceinstance_decl_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='core.ServiceInstance_decl')),
+                ('description', models.CharField(blank=True, help_text=b'Human-readable description', max_length=254, null=True)),
+                ('onu_device', models.ForeignKey(blank=True, help_text=b'ONUDevice that belongs to this Subscriber chain', null=True, on_delete=django.db.models.deletion.CASCADE, related_name='volt_service_instances', to='volt.ONUDevice_decl')),
+            ],
+            options={
+                'verbose_name': 'vOLT Service Instance',
+            },
+            bases=('core.serviceinstance',),
+        ),
+        migrations.CreateModel(
+            name='NNIPort_decl',
+            fields=[
+                ('portbase_decl_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='volt.PortBase_decl')),
+            ],
+            options={
+                'verbose_name': 'NNI Port',
+            },
+            bases=('volt.portbase_decl',),
+        ),
+        migrations.CreateModel(
+            name='PONONUPort_decl',
+            fields=[
+                ('portbase_decl_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='volt.PortBase_decl')),
+            ],
+            options={
+                'verbose_name': 'ANI Port',
+            },
+            bases=('volt.portbase_decl',),
+        ),
+        migrations.CreateModel(
+            name='PONPort_decl',
+            fields=[
+                ('portbase_decl_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='volt.PortBase_decl')),
+            ],
+            options={
+                'verbose_name': 'PON Port',
+            },
+            bases=('volt.portbase_decl',),
+        ),
+        migrations.CreateModel(
+            name='UNIPort_decl',
+            fields=[
+                ('portbase_decl_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='volt.PortBase_decl')),
+            ],
+            options={
+                'verbose_name': 'UNI Port',
+            },
+            bases=('volt.portbase_decl',),
+        ),
+        migrations.AddField(
+            model_name='oltdevice_decl',
+            name='volt_service',
+            field=models.ForeignKey(help_text=b'VOLTService that owns this OLT', on_delete=django.db.models.deletion.CASCADE, related_name='volt_devices', to='volt.VOLTService_decl'),
+        ),
+        migrations.CreateModel(
+            name='OLTDevice',
+            fields=[
+            ],
+            options={
+                'proxy': True,
+                'indexes': [],
+            },
+            bases=('volt.oltdevice_decl',),
+        ),
+        migrations.CreateModel(
+            name='ONUDevice',
+            fields=[
+            ],
+            options={
+                'proxy': True,
+                'indexes': [],
+            },
+            bases=('volt.onudevice_decl',),
+        ),
+        migrations.CreateModel(
+            name='PortBase',
+            fields=[
+            ],
+            options={
+                'proxy': True,
+                'indexes': [],
+            },
+            bases=('volt.portbase_decl',),
+        ),
+        migrations.CreateModel(
+            name='VOLTService',
+            fields=[
+            ],
+            options={
+                'proxy': True,
+                'indexes': [],
+            },
+            bases=('volt.voltservice_decl',),
+        ),
+        migrations.CreateModel(
+            name='VOLTServiceInstance',
+            fields=[
+            ],
+            options={
+                'proxy': True,
+                'indexes': [],
+            },
+            bases=('volt.voltserviceinstance_decl',),
+        ),
+        migrations.AddField(
+            model_name='uniport_decl',
+            name='onu_device',
+            field=models.ForeignKey(help_text=b'ONUDevice that owns this UNIPort', on_delete=django.db.models.deletion.CASCADE, related_name='uni_ports', to='volt.ONUDevice_decl'),
+        ),
+        migrations.AddField(
+            model_name='ponport_decl',
+            name='olt_device',
+            field=models.ForeignKey(help_text=b'OLTDevice that owns this PONPort', on_delete=django.db.models.deletion.CASCADE, related_name='pon_ports', to='volt.OLTDevice_decl'),
+        ),
+        migrations.AddField(
+            model_name='pononuport_decl',
+            name='onu_device',
+            field=models.ForeignKey(help_text=b'ONUDevice that owns this PONONUPort', on_delete=django.db.models.deletion.CASCADE, related_name='pononu_ports', to='volt.ONUDevice_decl'),
+        ),
+        migrations.AddField(
+            model_name='onudevice_decl',
+            name='pon_port',
+            field=models.ForeignKey(help_text=b'PONPort that connects this ONUDevice to an OLTDevice', on_delete=django.db.models.deletion.CASCADE, related_name='onu_devices', to='volt.PONPort_decl'),
+        ),
+        migrations.AlterUniqueTogether(
+            name='oltdevice_decl',
+            unique_together=set([('host', 'port')]),
+        ),
+        migrations.AddField(
+            model_name='nniport_decl',
+            name='olt_device',
+            field=models.ForeignKey(help_text=b'OLTDevice that owns this NNIPort', on_delete=django.db.models.deletion.CASCADE, related_name='nni_ports', to='volt.OLTDevice_decl'),
+        ),
+        migrations.CreateModel(
+            name='NNIPort',
+            fields=[
+            ],
+            options={
+                'proxy': True,
+                'indexes': [],
+            },
+            bases=('volt.nniport_decl',),
+        ),
+        migrations.CreateModel(
+            name='PONONUPort',
+            fields=[
+            ],
+            options={
+                'proxy': True,
+                'indexes': [],
+            },
+            bases=('volt.pononuport_decl',),
+        ),
+        migrations.CreateModel(
+            name='PONPort',
+            fields=[
+            ],
+            options={
+                'proxy': True,
+                'indexes': [],
+            },
+            bases=('volt.ponport_decl',),
+        ),
+        migrations.CreateModel(
+            name='UNIPort',
+            fields=[
+            ],
+            options={
+                'proxy': True,
+                'indexes': [],
+            },
+            bases=('volt.uniport_decl',),
+        ),
+    ]
diff --git a/xos/synchronizer/migrations/__init__.py b/xos/synchronizer/migrations/__init__.py
new file mode 100644
index 0000000..0e85c4d
--- /dev/null
+++ b/xos/synchronizer/migrations/__init__.py
@@ -0,0 +1,15 @@
+#!/usr/bin/python
+
+# 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.
\ No newline at end of file