diff --git a/core/api/src/main/java/org/onlab/onos/cluster/ControllerNode.java b/core/api/src/main/java/org/onlab/onos/cluster/ControllerNode.java
index c6f0cb3..33fe1c9 100644
--- a/core/api/src/main/java/org/onlab/onos/cluster/ControllerNode.java
+++ b/core/api/src/main/java/org/onlab/onos/cluster/ControllerNode.java
@@ -35,4 +35,12 @@
      */
     IpPrefix ip();
 
+
+    /**
+     * Returns the TCP port on which the node listens for connections.
+     *
+     * @return TCP port
+     */
+    int tcpPort();
+
 }