diff --git a/providers/pcep/topology/src/main/java/org/onosproject/provider/pcep/topology/impl/PcepTopologyProvider.java b/providers/pcep/topology/src/main/java/org/onosproject/provider/pcep/topology/impl/PcepTopologyProvider.java
index c52ca63..25d4a26 100644
--- a/providers/pcep/topology/src/main/java/org/onosproject/provider/pcep/topology/impl/PcepTopologyProvider.java
+++ b/providers/pcep/topology/src/main/java/org/onosproject/provider/pcep/topology/impl/PcepTopologyProvider.java
@@ -34,6 +34,7 @@
 import org.onosproject.net.OduCltPort;
 import org.onosproject.net.OmsPort;
 import org.onosproject.net.Port;
+import org.onosproject.net.PortNumber;
 import org.onosproject.net.device.DefaultDeviceDescription;
 import org.onosproject.net.device.DefaultPortDescription;
 import org.onosproject.net.device.DeviceDescription;
@@ -318,4 +319,10 @@
         // TODO Auto-generated method stub
         return true;
     }
+
+    @Override
+    public void changePortState(DeviceId deviceId, PortNumber portNumber,
+                                boolean enable) {
+        // TODO Auto-generated method stub
+    }
 }