diff --git a/apps/vtnrsc/src/main/java/org/onosproject/vtnrsc/FixedIp.java b/apps/vtnrsc/src/main/java/org/onosproject/vtnrsc/FixedIp.java
index dcfb72a..c6569a7 100644
--- a/apps/vtnrsc/src/main/java/org/onosproject/vtnrsc/FixedIp.java
+++ b/apps/vtnrsc/src/main/java/org/onosproject/vtnrsc/FixedIp.java
@@ -1,93 +1,93 @@
-/*
- * Copyright 2015 Open Networking Laboratory
- *
- * 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.
- */
-package org.onosproject.vtnrsc;
-
-import static com.google.common.base.MoreObjects.toStringHelper;
-import static com.google.common.base.Preconditions.checkNotNull;
-
-import java.util.Objects;
-
-import org.onlab.packet.IpAddress;
-
-/**
- * Immutable representation of a IP address for the port, Include the IP address
- * and subnet identity.
- */
-public final class FixedIp {
-    private final SubnetId subnetId;
-    private final IpAddress ip;
-    // Public construction is prohibited
-    private FixedIp(SubnetId subnetId, IpAddress ip) {
-        checkNotNull(subnetId, "SubnetId cannot be null");
-        checkNotNull(ip, "IpAddress cannot be null");
-        this.subnetId = subnetId;
-        this.ip = ip;
-    }
-
-    /**
-     * Returns the FixedIp subnet identifier.
-     *
-     * @return subnet identifier
-     */
-    public SubnetId subnetId() {
-        return subnetId;
-    }
-
-    /**
-     * Returns the FixedIp IP address.
-     *
-     * @return IP address
-     */
-    public IpAddress ip() {
-        return ip;
-    }
-
-    /**
-     * Creates a fixed ip using the supplied fixedIp.
-     *
-     * @param subnetId subnet identity
-     * @param ip IP address
-     * @return FixedIp
-     */
-    public static FixedIp fixedIp(SubnetId subnetId, IpAddress ip) {
-        return new FixedIp(subnetId, ip);
-    }
-
-    @Override
-    public int hashCode() {
-        return Objects.hash(subnetId, ip);
-    }
-
-    @Override
-    public boolean equals(Object obj) {
-        if (this == obj) {
-            return true;
-        }
-        if (obj instanceof FixedIp) {
-            final FixedIp that = (FixedIp) obj;
-            return Objects.equals(this.subnetId, that.subnetId)
-                    && Objects.equals(this.ip, that.ip);
-        }
-        return false;
-    }
-
-    @Override
-    public String toString() {
-        return toStringHelper(this).add("subnetId", subnetId).add("ip", ip)
-                .toString();
-    }
-
-}
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.
+ */
+package org.onosproject.vtnrsc;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import java.util.Objects;
+
+import org.onlab.packet.IpAddress;
+
+/**
+ * Immutable representation of a IP address for the port, Include the IP address
+ * and subnet identity.
+ */
+public final class FixedIp {
+    private final SubnetId subnetId;
+    private final IpAddress ip;
+    // Public construction is prohibited
+    private FixedIp(SubnetId subnetId, IpAddress ip) {
+        checkNotNull(subnetId, "SubnetId cannot be null");
+        checkNotNull(ip, "IpAddress cannot be null");
+        this.subnetId = subnetId;
+        this.ip = ip;
+    }
+
+    /**
+     * Returns the FixedIp subnet identifier.
+     *
+     * @return subnet identifier
+     */
+    public SubnetId subnetId() {
+        return subnetId;
+    }
+
+    /**
+     * Returns the FixedIp IP address.
+     *
+     * @return IP address
+     */
+    public IpAddress ip() {
+        return ip;
+    }
+
+    /**
+     * Creates a fixed ip using the supplied fixedIp.
+     *
+     * @param subnetId subnet identity
+     * @param ip IP address
+     * @return FixedIp
+     */
+    public static FixedIp fixedIp(SubnetId subnetId, IpAddress ip) {
+        return new FixedIp(subnetId, ip);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(subnetId, ip);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj instanceof FixedIp) {
+            final FixedIp that = (FixedIp) obj;
+            return Objects.equals(this.subnetId, that.subnetId)
+                    && Objects.equals(this.ip, that.ip);
+        }
+        return false;
+    }
+
+    @Override
+    public String toString() {
+        return toStringHelper(this).add("subnetId", subnetId).add("ip", ip)
+                .toString();
+    }
+
+}