HC2VPP-321: bump nat model to ietf-nat@2018-02-23.yang

Uses ietf-nat module as defined in
https://tools.ietf.org/html/draft-ietf-opsawg-nat-yang-14

Modifications to original model:
- ip-address is used instead of ip-prefix
 (draft is not clear, see HC2VPP-325).

API changes relevant to HC/VPP:
- nat-config and nat-state merged into nat container
- nat-instances and nat-instace renamed
  to instances and instance respectively
- external-ip-address-pool has new parent - policy list
- port-type choice was removed, port is now defined using
  start-port-number and end-port-number leaves.
  Missing end is equivalent to single-port-number case from
  the older version.

TODOs:
- HC2VPP-322: single nat64Prefix per NAT instance
- HC2VPP-323: update postman collection
- HC2VPP-324: update CSIT tests.

Out of the scope of NAT model update:
- HC2VPP-326: support for nat-type handling
  (vpp-nat model might become obsolete)
- HC2VPP-327: support external-realm container
  (requires adding augmentations
  that are alredy present in the interface-nat model).

Change-Id: Ie229a55b0a3f6ee3f8c97f4fd13c54a797a62438
Signed-off-by: Marek Gradzki <mgradzki@cisco.com>

9 files changed, 132 insertions, 166 deletions

diff --git a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/NatTestSchemaContext.java b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/NatTestSchemaContext.java
index 054bc8cee..01e66e525 100644
--- a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/NatTestSchemaContext.java
+++ b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/NatTestSchemaContext.java
@@ -32,9 +32,9 @@ public interface NatTestSchemaContext {
                                 .getInstance(),
                         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.$YangModuleInfoImpl
                                 .getInstance(),
-                        org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.$YangModuleInfoImpl
+                        org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.$YangModuleInfoImpl
                                 .getInstance(),
-                        org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nat.rev170804.$YangModuleInfoImpl
+                        org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nat.rev180510.$YangModuleInfoImpl
                                 .getInstance(),
                         org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang._interface.nat.rev170816.$YangModuleInfoImpl
                                 .getInstance()));
diff --git a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/ExternalIpPoolCustomizerTest.java b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/ExternalIpPoolCustomizerTest.java
index 521320591..f9e27e520 100644
--- a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/ExternalIpPoolCustomizerTest.java
+++ b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/ExternalIpPoolCustomizerTest.java
@@ -16,14 +16,15 @@
 
 package io.fd.hc2vpp.nat.read;
 
+import static io.fd.hc2vpp.nat.NatIds.NAT_INSTANCES_ID;
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.collection.IsEmptyCollection.empty;
 import static org.hamcrest.core.IsCollectionContaining.hasItems;
 import static org.junit.Assert.assertEquals;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.when;
-import static org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nat.rev170804.NatPoolType.Nat44;
-import static org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nat.rev170804.NatPoolType.Nat64;
+import static org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nat.rev180510.NatPoolType.Nat44;
+import static org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nat.rev180510.NatPoolType.Nat64;
 
 import io.fd.hc2vpp.common.test.read.ListReaderCustomizerTest;
 import io.fd.honeycomb.translate.spi.read.ReaderCustomizer;
@@ -37,37 +38,36 @@ import java.util.List;
 import java.util.stream.LongStream;
 import org.junit.Test;
 import org.mockito.Mock;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.ExternalIpAddressPool;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.ExternalIpAddressPoolBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.ExternalIpAddressPoolKey;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.NatInstances;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.NatInstance;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.NatInstanceKey;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.nat.instance.NatCurrentConfig;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.nat.instance.NatCurrentConfigBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nat.rev170804.ExternalIpAddressPoolStateAugmentation;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.Instance;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.InstanceKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.Policy;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.PolicyBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.PolicyKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.policy.ExternalIpAddressPool;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.policy.ExternalIpAddressPoolBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.policy.ExternalIpAddressPoolKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nat.rev180510.ExternalIpAddressPoolAugmentation;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class ExternalIpPoolCustomizerTest
     extends ListReaderCustomizerTest<ExternalIpAddressPool, ExternalIpAddressPoolKey, ExternalIpAddressPoolBuilder> {
 
-    private static final InstanceIdentifier<NatCurrentConfig> NAT_CONFIG_ID =
-            InstanceIdentifier.create(NatInstances.class)
-                    .child(NatInstance.class, new NatInstanceKey(NatInstanceCustomizer.DEFAULT_VRF_ID))
-                    .child(NatCurrentConfig.class);
+    private static final InstanceIdentifier<Policy> POLICY_ID =
+        NAT_INSTANCES_ID.child(Instance.class, new InstanceKey(NatInstanceCustomizer.DEFAULT_VRF_ID))
+                    .child(Policy.class, new PolicyKey(0L));
 
     private static final InstanceIdentifier<ExternalIpAddressPool> NAT_DEFAULT_POOL_WILDCARDED_ID =
-            NAT_CONFIG_ID.child(ExternalIpAddressPool.class);
+        POLICY_ID.child(ExternalIpAddressPool.class);
 
     private static final InstanceIdentifier<ExternalIpAddressPool> NAT_NON_DEFAULT_POOL_WILDCARDED_ID =
-            InstanceIdentifier.create(NatInstances.class).child(NatInstance.class, new NatInstanceKey(7L))
-                    .child(NatCurrentConfig.class).child(ExternalIpAddressPool.class);
+        NAT_INSTANCES_ID.child(Instance.class, new InstanceKey(7L))
+                    .child(Policy.class).child(ExternalIpAddressPool.class);
 
     @Mock
     private FutureJVppNatFacade jvppNat;
 
     public ExternalIpPoolCustomizerTest() {
-        super(ExternalIpAddressPool.class, NatCurrentConfigBuilder.class);
+        super(ExternalIpAddressPool.class, PolicyBuilder.class);
     }
 
     @Override
@@ -84,7 +84,7 @@ public class ExternalIpPoolCustomizerTest
 
         assertEquals("192.168.44.3/32", builder.getExternalIpPool().getValue());
         assertEquals(poolId, builder.getPoolId().longValue());
-        assertEquals(Nat44, builder.getAugmentation(ExternalIpAddressPoolStateAugmentation.class).getPoolType());
+        assertEquals(Nat44, builder.getAugmentation(ExternalIpAddressPoolAugmentation.class).getPoolType());
     }
 
     @Test
@@ -98,7 +98,7 @@ public class ExternalIpPoolCustomizerTest
 
         assertEquals("192.168.64.3/32", builder.getExternalIpPool().getValue());
         assertEquals(poolId, builder.getPoolId().longValue());
-        assertEquals(Nat64, builder.getAugmentation(ExternalIpAddressPoolStateAugmentation.class).getPoolType());
+        assertEquals(Nat64, builder.getAugmentation(ExternalIpAddressPoolAugmentation.class).getPoolType());
     }
 
     @Test
@@ -112,7 +112,7 @@ public class ExternalIpPoolCustomizerTest
 
         assertEquals("192.168.64.3/32", builder.getExternalIpPool().getValue());
         assertEquals(poolId, builder.getPoolId().longValue());
-        assertEquals(Nat64, builder.getAugmentation(ExternalIpAddressPoolStateAugmentation.class).getPoolType());
+        assertEquals(Nat64, builder.getAugmentation(ExternalIpAddressPoolAugmentation.class).getPoolType());
     }
 
     @Test
@@ -161,7 +161,7 @@ public class ExternalIpPoolCustomizerTest
     }
 
     private static InstanceIdentifier<ExternalIpAddressPool> getId(final long id) {
-        return NAT_CONFIG_ID.child(ExternalIpAddressPool.class, new ExternalIpAddressPoolKey(id));
+        return POLICY_ID.child(ExternalIpAddressPool.class, new ExternalIpAddressPoolKey(id));
     }
 
     private static Nat44AddressDetailsReplyDump dumpReplyNat44Empty() {
diff --git a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/MappingEntryCustomizerTest.java b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/MappingEntryCustomizerTest.java
index 576324757..7f38dc9b9 100644
--- a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/MappingEntryCustomizerTest.java
+++ b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/MappingEntryCustomizerTest.java
@@ -36,15 +36,14 @@ import java.util.List;
 import java.util.Optional;
 import org.junit.Test;
 import org.mockito.Mock;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.NatInstances;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.NatInstance;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.NatInstanceKey;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.nat.instance.MappingTable;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.nat.instance.MappingTableBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.nat.instance.mapping.table.MappingEntry;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.nat.instance.mapping.table.MappingEntryBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.nat.instance.mapping.table.MappingEntryKey;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.port.number.port.type.SinglePortNumber;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.Instances;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.Instance;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.InstanceKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.MappingTable;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.MappingTableBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.mapping.table.MappingEntry;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.mapping.table.MappingEntryBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.mapping.table.MappingEntryKey;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class MappingEntryCustomizerTest
@@ -71,12 +70,12 @@ public class MappingEntryCustomizerTest
 
     @Override
     protected void setUp() throws Exception {
-        mappingEntryId = InstanceIdentifier.create(NatInstances.class)
-                .child(NatInstance.class, new NatInstanceKey(NatInstanceCustomizer.DEFAULT_VRF_ID))
+        mappingEntryId = InstanceIdentifier.create(Instances.class)
+                .child(Instance.class, new InstanceKey(NatInstanceCustomizer.DEFAULT_VRF_ID))
                 .child(MappingTable.class)
                 .child(MappingEntry.class, new MappingEntryKey(NAT_MAPPING_ID));
-        mappingEntryWildcarded = InstanceIdentifier.create(NatInstances.class)
-                .child(NatInstance.class, new NatInstanceKey(NatInstanceCustomizer.DEFAULT_VRF_ID))
+        mappingEntryWildcarded = InstanceIdentifier.create(Instances.class)
+                .child(Instance.class, new InstanceKey(NatInstanceCustomizer.DEFAULT_VRF_ID))
                 .child(MappingTable.class)
                 .child(MappingEntry.class);
         nat44DumpManager = new DumpCacheManager.DumpCacheManagerBuilder<Nat44StaticMappingDetailsReplyDump, Void>()
@@ -100,13 +99,9 @@ public class MappingEntryCustomizerTest
 
         assertEquals(NAT_MAPPING_ID, builder.getIndex().longValue());
         assertEquals("192.168.3.8", builder.getExternalSrcAddress().getValue());
-        assertEquals(6874,
-            ((SinglePortNumber) builder.getExternalSrcPort().getPortType()).getSinglePortNumber().getValue()
-                .intValue());
+        assertEquals(6874, builder.getExternalSrcPort().getStartPortNumber().getValue().intValue());
         assertArrayEquals("192.168.2.2".toCharArray(), builder.getInternalSrcAddress().getValue());
-        assertEquals(1274,
-            ((SinglePortNumber) builder.getInternalSrcPort().getPortType()).getSinglePortNumber().getValue()
-                .intValue());
+        assertEquals(1274, builder.getInternalSrcPort().getStartPortNumber().getValue().intValue());
     }
 
     @Test
@@ -118,12 +113,8 @@ public class MappingEntryCustomizerTest
         final MappingEntryBuilder builder = new MappingEntryBuilder();
         getCustomizer().readCurrentAttributes(mappingEntryId, builder, ctx);
 
-        assertEquals(65535,
-            ((SinglePortNumber) builder.getExternalSrcPort().getPortType()).getSinglePortNumber().getValue()
-                .intValue());
-        assertEquals(60000,
-            ((SinglePortNumber) builder.getInternalSrcPort().getPortType()).getSinglePortNumber().getValue()
-                .intValue());
+        assertEquals(65535, builder.getExternalSrcPort().getStartPortNumber().getValue().intValue());
+        assertEquals(60000, builder.getInternalSrcPort().getStartPortNumber().getValue().intValue());
     }
 
     @Test
@@ -138,13 +129,9 @@ public class MappingEntryCustomizerTest
 
         assertEquals(NAT_MAPPING_ID, builder.getIndex().longValue());
         assertEquals("192.168.64.3", builder.getExternalSrcAddress().getValue());
-        assertEquals(6874,
-            ((SinglePortNumber) builder.getExternalSrcPort().getPortType()).getSinglePortNumber().getValue()
-                .intValue());
+        assertEquals(6874, builder.getExternalSrcPort().getStartPortNumber().getValue().intValue());
         assertArrayEquals("2001:db8:85a3::8a2e:370:7303".toCharArray(), builder.getInternalSrcAddress().getValue());
-        assertEquals(1274,
-            ((SinglePortNumber) builder.getInternalSrcPort().getPortType()).getSinglePortNumber().getValue()
-                .intValue());
+        assertEquals(1274, builder.getInternalSrcPort().getStartPortNumber().getValue().intValue());
     }
 
     @Test
@@ -157,12 +144,8 @@ public class MappingEntryCustomizerTest
         final MappingEntryBuilder builder = new MappingEntryBuilder();
         getCustomizer().readCurrentAttributes(mappingEntryId, builder, ctx);
 
-        assertEquals(65535,
-            ((SinglePortNumber) builder.getExternalSrcPort().getPortType()).getSinglePortNumber().getValue()
-                .intValue());
-        assertEquals(60000,
-            ((SinglePortNumber) builder.getInternalSrcPort().getPortType()).getSinglePortNumber().getValue()
-                .intValue());
+        assertEquals(65535, builder.getExternalSrcPort().getStartPortNumber().getValue().intValue());
+        assertEquals(60000, builder.getInternalSrcPort().getStartPortNumber().getValue().intValue());
     }
 
     @Test
diff --git a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/Nat64PrefixesCustomizerTest.java b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/Nat64PrefixesCustomizerTest.java
index bdb1793ff..2aae28a9e 100644
--- a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/Nat64PrefixesCustomizerTest.java
+++ b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/Nat64PrefixesCustomizerTest.java
@@ -33,14 +33,15 @@ import java.util.List;
 import org.junit.Test;
 import org.mockito.Mock;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.Nat64Prefixes;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.Nat64PrefixesBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.Nat64PrefixesKey;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.NatInstances;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.NatInstance;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.NatInstanceKey;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.nat.instance.NatCurrentConfig;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.nat.instance.NatCurrentConfigBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.Instances;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.Instance;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.InstanceKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.Policy;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.PolicyBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.PolicyKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.policy.Nat64Prefixes;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.policy.Nat64PrefixesBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.policy.Nat64PrefixesKey;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class Nat64PrefixesCustomizerTest extends ListReaderCustomizerTest<Nat64Prefixes, Nat64PrefixesKey, Nat64PrefixesBuilder> {
@@ -49,7 +50,7 @@ public class Nat64PrefixesCustomizerTest extends ListReaderCustomizerTest<Nat64P
     private FutureJVppNatFacade jvppNat;
 
     public Nat64PrefixesCustomizerTest() {
-        super(Nat64Prefixes.class, NatCurrentConfigBuilder.class);
+        super(Nat64Prefixes.class, PolicyBuilder.class);
     }
 
     @Override
@@ -70,14 +71,7 @@ public class Nat64PrefixesCustomizerTest extends ListReaderCustomizerTest<Nat64P
         final long vrfId = 0;
         final List<Nat64PrefixesKey> allIds = getCustomizer().getAllIds(getWildcardedId(vrfId), ctx);
         assertEquals(1, allIds.size());
-        assertEquals(new Nat64PrefixesKey(0L), allIds.get(0));
-    }
-
-    @Test
-    public void testReadNonZeroId() throws ReadFailedException {
-        final Nat64PrefixesBuilder builder = mock(Nat64PrefixesBuilder.class);
-        getCustomizer().readCurrentAttributes(getId(0L, 42L), builder, ctx);
-        verifyZeroInteractions(builder);
+        assertEquals(new Nat64PrefixesKey(new Ipv6Prefix("64:ff9b::1/96")), allIds.get(0));
     }
 
     @Test
@@ -85,7 +79,7 @@ public class Nat64PrefixesCustomizerTest extends ListReaderCustomizerTest<Nat64P
         final long vrfId = 123;
         when(jvppNat.nat64PrefixDump(any())).thenReturn(future(dump()));
         final Nat64PrefixesBuilder builder = mock(Nat64PrefixesBuilder.class);
-        getCustomizer().readCurrentAttributes(getId(vrfId, 0L), builder, ctx);
+        getCustomizer().readCurrentAttributes(getId(vrfId, "::1/128"), builder, ctx);
         verifyZeroInteractions(builder);
     }
 
@@ -94,23 +88,22 @@ public class Nat64PrefixesCustomizerTest extends ListReaderCustomizerTest<Nat64P
         final long vrfId = 1;
         when(jvppNat.nat64PrefixDump(any())).thenReturn(future(dump()));
         final Nat64PrefixesBuilder builder = mock(Nat64PrefixesBuilder.class);
-        getCustomizer().readCurrentAttributes(getId(vrfId, 0L), builder, ctx);
-        verify(builder).setNat64PrefixId(0L);
+        getCustomizer().readCurrentAttributes(getId(vrfId, "::1/128"), builder, ctx);
         verify(builder).setNat64Prefix(new Ipv6Prefix("::1/128"));
     }
 
     private static InstanceIdentifier<Nat64Prefixes> getWildcardedId(final long vrfId) {
-        return InstanceIdentifier.create(NatInstances.class)
-                .child(NatInstance.class, new NatInstanceKey(vrfId))
-                .child(NatCurrentConfig.class)
+        return InstanceIdentifier.create(Instances.class)
+                .child(Instance.class, new InstanceKey(vrfId))
+                .child(Policy.class, new PolicyKey(0L))
                 .child(Nat64Prefixes.class);
     }
 
-    private static InstanceIdentifier<Nat64Prefixes> getId(final long vrfId, final long prefixId) {
-        return InstanceIdentifier.create(NatInstances.class)
-                .child(NatInstance.class, new NatInstanceKey(vrfId))
-                .child(NatCurrentConfig.class)
-                .child(Nat64Prefixes.class, new Nat64PrefixesKey(prefixId));
+    private static InstanceIdentifier<Nat64Prefixes> getId(final long vrfId, final String prefix) {
+        return InstanceIdentifier.create(Instances.class)
+                .child(Instance.class, new InstanceKey(vrfId))
+            .child(Policy.class, new PolicyKey(0L))
+                .child(Nat64Prefixes.class, new Nat64PrefixesKey(new Ipv6Prefix(prefix)));
     }
 
     private Nat64PrefixDetailsReplyDump dump() {
diff --git a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/NatInstanceCustomizerTest.java b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/NatInstanceCustomizerTest.java
index 8978fe5ba..5974f4a45 100644
--- a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/NatInstanceCustomizerTest.java
+++ b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/read/NatInstanceCustomizerTest.java
@@ -35,28 +35,28 @@ import java.util.Arrays;
 import java.util.List;
 import org.junit.Test;
 import org.mockito.Mock;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.NatInstances;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.NatInstancesBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.NatInstance;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.NatInstanceBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.state.nat.instances.NatInstanceKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.Instances;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.InstancesBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.Instance;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.InstanceBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.InstanceKey;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
 
 public class NatInstanceCustomizerTest
-        extends InitializingListReaderCustomizerTest<NatInstance, NatInstanceKey, NatInstanceBuilder> {
+        extends InitializingListReaderCustomizerTest<Instance, InstanceKey, InstanceBuilder> {
     @Mock
     private EntityDumpExecutor<Nat44StaticMappingDetailsReplyDump, Void> nat44DumpExecutor;
     @Mock
     private EntityDumpExecutor<Nat64BibDetailsReplyDump, Void> nat64DumpExecutor;
 
-    private KeyedInstanceIdentifier<NatInstance, NatInstanceKey> natInstanceId;
-    private InstanceIdentifier<NatInstance> natInstanceWildcarded;
+    private KeyedInstanceIdentifier<Instance, InstanceKey> natInstanceId;
+    private InstanceIdentifier<Instance> natInstanceWildcarded;
     private DumpCacheManager<Nat44StaticMappingDetailsReplyDump, Void> mapEntryNat44DumpMgr;
     private DumpCacheManager<Nat64BibDetailsReplyDump, Void> mapEntryNat64DumpMgr;
 
     public NatInstanceCustomizerTest() {
-        super(NatInstance.class, NatInstancesBuilder.class);
+        super(Instance.class, InstancesBuilder.class);
     }
 
     @Override
@@ -66,10 +66,10 @@ public class NatInstanceCustomizerTest
 
     @Override
     protected void setUp() throws Exception {
-        natInstanceId = InstanceIdentifier.create(NatInstances.class)
-                .child(NatInstance.class, new NatInstanceKey(NatInstanceCustomizer.DEFAULT_VRF_ID));
-        natInstanceWildcarded = InstanceIdentifier.create(NatInstances.class)
-                .child(NatInstance.class);
+        natInstanceId = InstanceIdentifier.create(Instances.class)
+                .child(Instance.class, new InstanceKey(NatInstanceCustomizer.DEFAULT_VRF_ID));
+        natInstanceWildcarded = InstanceIdentifier.create(Instances.class)
+                .child(Instance.class);
         mapEntryNat44DumpMgr = new DumpCacheManager.DumpCacheManagerBuilder<Nat44StaticMappingDetailsReplyDump, Void>()
                 .withExecutor(nat44DumpExecutor)
                 .acceptOnly(Nat44StaticMappingDetailsReplyDump.class)
@@ -82,7 +82,7 @@ public class NatInstanceCustomizerTest
 
     @Test
     public void testRead() throws ReadFailedException {
-        final NatInstanceBuilder builder = mock(NatInstanceBuilder.class);
+        final InstanceBuilder builder = mock(InstanceBuilder.class);
         getCustomizer().readCurrentAttributes(natInstanceId, builder, ctx);
         verify(builder).setId(natInstanceId.getKey().getId());
     }
@@ -91,11 +91,11 @@ public class NatInstanceCustomizerTest
     public void testReadAll() throws ReadFailedException {
         when(nat44DumpExecutor.executeDump(natInstanceWildcarded, null)).thenReturn(nat44NonEmptyDump());
         when(nat64DumpExecutor.executeDump(natInstanceWildcarded, null)).thenReturn(nat64NonEmptyDump());
-        final List<NatInstanceKey> allIds = getCustomizer().getAllIds(natInstanceWildcarded, ctx);
+        final List<InstanceKey> allIds = getCustomizer().getAllIds(natInstanceWildcarded, ctx);
         assertThat(allIds, hasSize(6));
         assertThat(allIds, hasItems(
-                new NatInstanceKey(0L), new NatInstanceKey(1L), new NatInstanceKey(2L), new NatInstanceKey(3L),
-                new NatInstanceKey(5L), new NatInstanceKey(6L)));
+                new InstanceKey(0L), new InstanceKey(1L), new InstanceKey(2L), new InstanceKey(3L),
+                new InstanceKey(5L), new InstanceKey(6L)));
     }
 
     private static Nat44StaticMappingDetailsReplyDump nat44NonEmptyDump() {
diff --git a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/util/MappingEntryContextTest.java b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/util/MappingEntryContextTest.java
index cd173fddc..df5912bce 100644
--- a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/util/MappingEntryContextTest.java
+++ b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/util/MappingEntryContextTest.java
@@ -37,9 +37,9 @@ import org.mockito.Mock;
 import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.nat.context.rev161214.mapping.entry.context.attributes.nat.mapping.entry.context.nat.instance.MappingTableBuilder;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntry;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntryBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntryKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.mapping.table.MappingEntry;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.mapping.table.MappingEntryBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.mapping.table.MappingEntryKey;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 @SuppressWarnings("unchecked")
@@ -189,7 +189,7 @@ public class MappingEntryContextTest implements Ipv4Translator {
     private static MappingEntry getEntry(final long id, final String longernalIpv4, final String externalIpv4) {
         return new MappingEntryBuilder()
                 .setKey(new MappingEntryKey(id))
-                .setType(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.MappingEntry.Type.Static)
+                .setType(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.MappingEntry.Type.Static)
                 .setInternalSrcAddress(new IpAddress(new Ipv4Address(longernalIpv4)))
                 .setExternalSrcAddress(new Ipv4Address(externalIpv4))
                 .build();
diff --git a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ExternalIpPoolCustomizerTest.java b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ExternalIpPoolCustomizerTest.java
index db68ecf6a..294473937 100644
--- a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ExternalIpPoolCustomizerTest.java
+++ b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/ExternalIpPoolCustomizerTest.java
@@ -16,6 +16,7 @@
 
 package io.fd.hc2vpp.nat.write;
 
+import static io.fd.hc2vpp.nat.NatIds.NAT_INSTANCES_ID;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
@@ -35,12 +36,13 @@ import io.fd.vpp.jvpp.nat.future.FutureJVppNatFacade;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.NatConfig;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.NatInstances;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.NatInstance;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.NatInstanceKey;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.ExternalIpAddressPool;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.ExternalIpAddressPoolKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.Instances;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.Instance;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.InstanceKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.Policy;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.PolicyKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.policy.ExternalIpAddressPool;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.policy.ExternalIpAddressPoolKey;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 @RunWith(HoneycombTestRunner.class)
@@ -49,11 +51,11 @@ public class ExternalIpPoolCustomizerTest extends WriterCustomizerTest implement
 
     private static final long NAT_INSTANCE_ID = 0;
     private static final long POOL_ID = 22;
-    private static final InstanceIdentifier<ExternalIpAddressPool> IID = InstanceIdentifier.create(NatConfig.class)
-        .child(NatInstances.class).child(NatInstance.class, new NatInstanceKey(NAT_INSTANCE_ID))
+    private static final InstanceIdentifier<ExternalIpAddressPool> IID = NAT_INSTANCES_ID
+        .child(Instance.class, new InstanceKey(NAT_INSTANCE_ID)).child(Policy.class, new PolicyKey(0L))
         .child(ExternalIpAddressPool.class, new ExternalIpAddressPoolKey(POOL_ID));
 
-    private static final String NAT_INSTANCES_PATH = "/ietf-nat:nat-config/ietf-nat:nat-instances";
+    private static final String NAT_INSTANCES_PATH = "/ietf-nat:nat/ietf-nat:instances";
 
     @Mock
     private FutureJVppNatFacade jvppNat;
@@ -68,7 +70,7 @@ public class ExternalIpPoolCustomizerTest extends WriterCustomizerTest implement
 
     @Test
     public void testWriteNat44(
-            @InjectTestData(resourcePath = "/nat44/external-ip-pool.json", id = NAT_INSTANCES_PATH) NatInstances data)
+            @InjectTestData(resourcePath = "/nat44/external-ip-pool.json", id = NAT_INSTANCES_PATH) Instances data)
             throws WriteFailedException {
         customizer.writeCurrentAttributes(IID, extractIpPool(data), writeContext);
         final Nat44AddDelAddressRange expectedRequest = getExpectedRequestNat44(true);
@@ -77,7 +79,7 @@ public class ExternalIpPoolCustomizerTest extends WriterCustomizerTest implement
 
     @Test
     public void testWriteNat64(
-            @InjectTestData(resourcePath = "/nat64/external-ip-pool.json", id = NAT_INSTANCES_PATH) NatInstances data)
+            @InjectTestData(resourcePath = "/nat64/external-ip-pool.json", id = NAT_INSTANCES_PATH) Instances data)
             throws WriteFailedException {
         customizer.writeCurrentAttributes(IID, extractIpPool(data), writeContext);
         final Nat64AddDelPoolAddrRange expectedRequest = getExpectedRequestNat64(true);
@@ -92,7 +94,7 @@ public class ExternalIpPoolCustomizerTest extends WriterCustomizerTest implement
 
     @Test
     public void testDeleteNat44(
-            @InjectTestData(resourcePath = "/nat44/external-ip-pool.json", id = NAT_INSTANCES_PATH) NatInstances data)
+            @InjectTestData(resourcePath = "/nat44/external-ip-pool.json", id = NAT_INSTANCES_PATH) Instances data)
             throws WriteFailedException {
         customizer.deleteCurrentAttributes(IID, extractIpPool(data), writeContext);
         final Nat44AddDelAddressRange expectedRequest = getExpectedRequestNat44(false);
@@ -101,16 +103,16 @@ public class ExternalIpPoolCustomizerTest extends WriterCustomizerTest implement
 
     @Test
     public void testDeleteNat64(
-            @InjectTestData(resourcePath = "/nat64/external-ip-pool.json", id = NAT_INSTANCES_PATH) NatInstances data)
+            @InjectTestData(resourcePath = "/nat64/external-ip-pool.json", id = NAT_INSTANCES_PATH) Instances data)
             throws WriteFailedException {
         customizer.deleteCurrentAttributes(IID, extractIpPool(data), writeContext);
         final Nat64AddDelPoolAddrRange expectedRequest = getExpectedRequestNat64(false);
         verify(jvppNat).nat64AddDelPoolAddrRange(expectedRequest);
     }
 
-    private static ExternalIpAddressPool extractIpPool(NatInstances data) {
+    private static ExternalIpAddressPool extractIpPool(Instances data) {
         // assumes single nat instance and single ip pool
-        return data.getNatInstance().get(0).getExternalIpAddressPool().get(0);
+        return data.getInstance().get(0).getPolicy().get(0).getExternalIpAddressPool().get(0);
     }
 
     private Nat44AddDelAddressRange getExpectedRequestNat44(final boolean isAdd) {
diff --git a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/MappingEntryCustomizerTest.java b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/MappingEntryCustomizerTest.java
index 29869381a..95bce699a 100644
--- a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/MappingEntryCustomizerTest.java
+++ b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/MappingEntryCustomizerTest.java
@@ -16,6 +16,7 @@
 
 package io.fd.hc2vpp.nat.write;
 
+import static io.fd.hc2vpp.nat.NatIds.NAT_INSTANCES_ID;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -34,13 +35,11 @@ import io.fd.vpp.jvpp.nat.future.FutureJVppNatFacade;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.NatConfig;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.NatInstances;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.NatInstance;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.NatInstanceKey;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.MappingTable;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntry;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.nat.instance.mapping.table.MappingEntryKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.Instance;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.InstanceKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.MappingTable;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.mapping.table.MappingEntry;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.mapping.table.MappingEntryKey;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 @RunWith(HoneycombTestRunner.class)
@@ -48,12 +47,12 @@ public class MappingEntryCustomizerTest extends WriterCustomizerTest implements
 
     private static final long NAT_INSTANCE_ID = 1;
     private static final long MAPPING_ID = 22;
-    private static final InstanceIdentifier<MappingEntry> IID = InstanceIdentifier.create(NatConfig.class)
-        .child(NatInstances.class).child(NatInstance.class, new NatInstanceKey(NAT_INSTANCE_ID))
+    private static final InstanceIdentifier<MappingEntry> IID = NAT_INSTANCES_ID
+        .child(Instance.class, new InstanceKey(NAT_INSTANCE_ID))
         .child(MappingTable.class).child(MappingEntry.class, new MappingEntryKey(MAPPING_ID));
 
-    private static final String MAPPING_TABLE_PATH = "/ietf-nat:nat-config/ietf-nat:nat-instances/"
-        + "ietf-nat:nat-instance[ietf-nat:id='" + NAT_INSTANCE_ID + "']/ietf-nat:mapping-table";
+    private static final String MAPPING_TABLE_PATH = "/ietf-nat:nat/ietf-nat:instances/"
+        + "ietf-nat:instance[ietf-nat:id='" + NAT_INSTANCE_ID + "']/ietf-nat:mapping-table";
 
     @Mock
     private FutureJVppNatFacade jvppNat;
@@ -145,7 +144,9 @@ public class MappingEntryCustomizerTest extends WriterCustomizerTest implements
         expectedRequest.proto = 58; // icmp v6
         expectedRequest.vrfId = (int) NAT_INSTANCE_ID;
         expectedRequest.iAddr = new byte[] {0x20, 0x01, 0x0d, (byte) 0xb8, (byte) 0x85, (byte) 0xa3, 0, 0, 0, 0, (byte) 0x8a, 0x2e, 0x03, 0x70, 0x73, 0x33};
+        expectedRequest.iPort = 123;
         expectedRequest.oAddr = new byte[] {10, 1, 1, 3};
+        expectedRequest.oPort = 456;
         return expectedRequest;
     }
 
diff --git a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/Nat64PrefixesCustomizerTest.java b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/Nat64PrefixesCustomizerTest.java
index 63a3b4673..2d3290e7c 100644
--- a/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/Nat64PrefixesCustomizerTest.java
+++ b/nat/nat2vpp/src/test/java/io/fd/hc2vpp/nat/write/Nat64PrefixesCustomizerTest.java
@@ -16,8 +16,8 @@
 
 package io.fd.hc2vpp.nat.write;
 
+import static io.fd.hc2vpp.nat.NatIds.NAT_INSTANCES_ID;
 import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
@@ -26,28 +26,27 @@ import io.fd.hc2vpp.common.translate.util.ByteDataTranslator;
 import io.fd.vpp.jvpp.nat.dto.Nat64AddDelPrefix;
 import io.fd.vpp.jvpp.nat.dto.Nat64AddDelPrefixReply;
 import io.fd.vpp.jvpp.nat.future.FutureJVppNatFacade;
-import java.util.Collections;
 import org.junit.Test;
 import org.mockito.Mock;
 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.NatConfig;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.NatInstances;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.NatInstance;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.config.nat.instances.NatInstanceKey;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.Nat64Prefixes;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.Nat64PrefixesBuilder;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.Nat64PrefixesKey;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev150908.nat.parameters.nat64.prefixes.DestinationIpv4Prefix;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.Instance;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.InstanceKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.Policy;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.PolicyKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.policy.Nat64Prefixes;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.policy.Nat64PrefixesBuilder;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.nat.rev180223.nat.instances.instance.policy.Nat64PrefixesKey;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 
 public class Nat64PrefixesCustomizerTest extends WriterCustomizerTest implements ByteDataTranslator {
 
     private static final long VRF_ID = 123;
 
-    private static final InstanceIdentifier<NatInstance> NAT_INSTANCE_ID =
-            InstanceIdentifier.create(NatConfig.class).child(NatInstances.class).child(NatInstance.class, new NatInstanceKey(VRF_ID));
+    private static final InstanceIdentifier<Policy> POLICY_ID =
+        NAT_INSTANCES_ID.child(Instance.class, new InstanceKey(VRF_ID)).child(Policy.class, new PolicyKey(0L));
 
-    private static final Nat64Prefixes VALID_DATA = new Nat64PrefixesBuilder().setNat64Prefix(new Ipv6Prefix("2001:db8::/32")).build();
+    private static final Nat64Prefixes
+        VALID_DATA = new Nat64PrefixesBuilder().setNat64Prefix(new Ipv6Prefix("2001:db8::/32")).build();
 
     @Mock
     private FutureJVppNatFacade jvppNat;
@@ -60,32 +59,20 @@ public class Nat64PrefixesCustomizerTest extends WriterCustomizerTest implements
         when(jvppNat.nat64AddDelPrefix(any())).thenReturn(future(new Nat64AddDelPrefixReply()));
     }
 
-    @Test(expected = IllegalArgumentException.class)
-    public void testWriteNonZeroPrefixIdFails() throws Exception {
-        customizer.writeCurrentAttributes(getID(1), mock(Nat64Prefixes.class), writeContext);
-    }
-
-    @Test(expected = IllegalArgumentException.class)
-    public void testWriteDestinationPrefixFails() throws Exception {
-        final Nat64Prefixes data = mock(Nat64Prefixes.class);
-        when(data.getDestinationIpv4Prefix()).thenReturn(Collections.singletonList(mock(DestinationIpv4Prefix.class)));
-        customizer.writeCurrentAttributes(getID(1), data, writeContext);
-    }
-
     @Test
     public void testWrite() throws Exception {
-        customizer.writeCurrentAttributes(getID(0), VALID_DATA, writeContext);
+        customizer.writeCurrentAttributes(getID("::1/128"), VALID_DATA, writeContext);
         verify(jvppNat).nat64AddDelPrefix(expectedRequest(true));
     }
 
     @Test
     public void testDelete() throws Exception {
-        customizer.deleteCurrentAttributes(getID(0), VALID_DATA, writeContext);
+        customizer.deleteCurrentAttributes(getID("::1/128"), VALID_DATA, writeContext);
         verify(jvppNat).nat64AddDelPrefix(expectedRequest(false));
     }
 
-    private static InstanceIdentifier<Nat64Prefixes> getID(final long prefixId) {
-        return NAT_INSTANCE_ID.child(Nat64Prefixes.class, new Nat64PrefixesKey(prefixId));
+    private static InstanceIdentifier<Nat64Prefixes> getID(final String prefix) {
+        return POLICY_ID.child(Nat64Prefixes.class, new Nat64PrefixesKey(new Ipv6Prefix(prefix)));
     }
 
     private Nat64AddDelPrefix expectedRequest(final boolean isAdd) {