diff --git a/core/api/src/main/java/org/onlab/onos/net/device/DefaultPortDescription.java b/core/api/src/main/java/org/onlab/onos/net/device/DefaultPortDescription.java
index 1d52ac9..eb75ede 100644
--- a/core/api/src/main/java/org/onlab/onos/net/device/DefaultPortDescription.java
+++ b/core/api/src/main/java/org/onlab/onos/net/device/DefaultPortDescription.java
@@ -1,20 +1,43 @@
 package org.onlab.onos.net.device;
 
+import org.onlab.onos.net.AbstractDescription;
 import org.onlab.onos.net.PortNumber;
+import org.onlab.onos.net.SparseAnnotations;
 
 /**
  * Default implementation of immutable port description.
  */
-public class DefaultPortDescription implements PortDescription {
+public class DefaultPortDescription extends AbstractDescription
+        implements PortDescription {
 
     private final PortNumber number;
     private final boolean isEnabled;
 
-    public DefaultPortDescription(PortNumber number, boolean isEnabled) {
+    /**
+     * Creates a port description using the supplied information.
+     *
+     * @param number       port number
+     * @param isEnabled    port enabled state
+     * @param annotations  optional key/value annotations map
+     */
+    public DefaultPortDescription(PortNumber number, boolean isEnabled,
+                SparseAnnotations... annotations) {
+        super(annotations);
         this.number = number;
         this.isEnabled = isEnabled;
     }
 
+    /**
+     * Creates a port description using the supplied information.
+     *
+     * @param base         PortDescription to get basic information from
+     * @param annotations  optional key/value annotations map
+     */
+    public DefaultPortDescription(PortDescription base,
+            SparseAnnotations annotations) {
+        this(base.portNumber(), base.isEnabled(), annotations);
+    }
+
     @Override
     public PortNumber portNumber() {
         return number;