diff --git a/core/api/src/main/java/org/onlab/onos/net/DefaultDevice.java b/core/api/src/main/java/org/onlab/onos/net/DefaultDevice.java
index 8b3eee1..53f2676 100644
--- a/core/api/src/main/java/org/onlab/onos/net/DefaultDevice.java
+++ b/core/api/src/main/java/org/onlab/onos/net/DefaultDevice.java
@@ -1,6 +1,7 @@
 package org.onlab.onos.net;
 
 import org.onlab.onos.net.provider.ProviderId;
+import org.onlab.packet.ChassisId;
 
 import java.util.Objects;
 
@@ -16,6 +17,7 @@
     private final String serialNumber;
     private final String hwVersion;
     private final String swVersion;
+    private final ChassisId chassisId;
 
     // For serialization
     private DefaultDevice() {
@@ -24,6 +26,7 @@
         this.hwVersion = null;
         this.swVersion = null;
         this.serialNumber = null;
+        this.chassisId = null;
     }
 
     /**
@@ -40,13 +43,15 @@
      */
     public DefaultDevice(ProviderId providerId, DeviceId id, Type type,
                          String manufacturer, String hwVersion, String swVersion,
-                         String serialNumber, Annotations... annotations) {
+                         String serialNumber, ChassisId chassisId,
+                         Annotations... annotations) {
         super(providerId, id, annotations);
         this.type = type;
         this.manufacturer = manufacturer;
         this.hwVersion = hwVersion;
         this.swVersion = swVersion;
         this.serialNumber = serialNumber;
+        this.chassisId = chassisId;
     }
 
     @Override
@@ -80,6 +85,11 @@
     }
 
     @Override
+    public ChassisId chassisId() {
+        return chassisId;
+    }
+
+    @Override
     public int hashCode() {
         return Objects.hash(id, type, manufacturer, hwVersion, swVersion, serialNumber);
     }
diff --git a/core/api/src/main/java/org/onlab/onos/net/Device.java b/core/api/src/main/java/org/onlab/onos/net/Device.java
index 9e6018e..0294d99 100644
--- a/core/api/src/main/java/org/onlab/onos/net/Device.java
+++ b/core/api/src/main/java/org/onlab/onos/net/Device.java
@@ -1,5 +1,7 @@
 package org.onlab.onos.net;
 
+import org.onlab.packet.ChassisId;
+
 /**
  * Representation of a network infrastructure device.
  */
@@ -54,6 +56,13 @@
      */
     String serialNumber();
 
+    /**
+     * Returns the device chassis id.
+     *
+     * @return chassis id
+     */
+    ChassisId chassisId();
+
     // Device realizedBy(); ?
 
     // ports are not provided directly, but rather via DeviceService.getPorts(Device device);
diff --git a/core/api/src/main/java/org/onlab/onos/net/device/DefaultDeviceDescription.java b/core/api/src/main/java/org/onlab/onos/net/device/DefaultDeviceDescription.java
index ede2eb2..79710ae 100644
--- a/core/api/src/main/java/org/onlab/onos/net/device/DefaultDeviceDescription.java
+++ b/core/api/src/main/java/org/onlab/onos/net/device/DefaultDeviceDescription.java
@@ -2,6 +2,7 @@
 
 import org.onlab.onos.net.AbstractDescription;
 import org.onlab.onos.net.SparseAnnotations;
+import org.onlab.packet.ChassisId;
 
 import java.net.URI;
 
@@ -20,6 +21,7 @@
     private final String hwVersion;
     private final String swVersion;
     private final String serialNumber;
+    private final ChassisId chassisId;
 
     /**
      * Creates a device description using the supplied information.
@@ -34,7 +36,7 @@
      */
     public DefaultDeviceDescription(URI uri, Type type, String manufacturer,
                                     String hwVersion, String swVersion,
-                                    String serialNumber,
+                                    String serialNumber, ChassisId chassis,
                                     SparseAnnotations... annotations) {
         super(annotations);
         this.uri = checkNotNull(uri, "Device URI cannot be null");
@@ -43,6 +45,7 @@
         this.hwVersion = hwVersion;
         this.swVersion = swVersion;
         this.serialNumber = serialNumber;
+        this.chassisId = chassis;
     }
 
     /**
@@ -54,7 +57,7 @@
                                     SparseAnnotations... annotations) {
         this(base.deviceURI(), base.type(), base.manufacturer(),
              base.hwVersion(), base.swVersion(), base.serialNumber(),
-             annotations);
+             base.chassisId(), annotations);
     }
 
     @Override
@@ -88,6 +91,11 @@
     }
 
     @Override
+    public ChassisId chassisId() {
+        return chassisId;
+    }
+
+    @Override
     public String toString() {
         return toStringHelper(this)
                 .add("uri", uri).add("type", type).add("mfr", manufacturer)
@@ -104,5 +112,6 @@
         this.hwVersion = null;
         this.swVersion = null;
         this.serialNumber = null;
+        this.chassisId = null;
     }
 }
diff --git a/core/api/src/main/java/org/onlab/onos/net/device/DeviceDescription.java b/core/api/src/main/java/org/onlab/onos/net/device/DeviceDescription.java
index e32c19d..99b49ab 100644
--- a/core/api/src/main/java/org/onlab/onos/net/device/DeviceDescription.java
+++ b/core/api/src/main/java/org/onlab/onos/net/device/DeviceDescription.java
@@ -2,6 +2,7 @@
 
 import org.onlab.onos.net.Description;
 import org.onlab.onos.net.Device;
+import org.onlab.packet.ChassisId;
 
 import java.net.URI;
 
@@ -54,4 +55,11 @@
      */
     String serialNumber();
 
+    /**
+     * Returns a device chassis id.
+     *
+     * @return chassis id
+     */
+    ChassisId chassisId();
+
 }