diff --git a/conf/onos_node.conf b/conf/onos_node.conf
index 19c6ae6..3607585 100644
--- a/conf/onos_node.conf
+++ b/conf/onos_node.conf
@@ -20,10 +20,18 @@
 host.backend = hazelcast
 #host.backend = ramcloud
 
+# ZooKeeper: port to listen for client connections/
+#            port that clients attemApt to connect to
+#            (2181 by default)
+#zookeeper.clientPort = 2181
+
 # List of host name/IPs that constitute ZooKeeper cluster (only current host by default)
 # myid will be assigned incrementally according to order of list
 #zookeeper.hosts = onosdev1,onosdev2,onosdev3,onosdev4
 
+# ZooKeeper: ports to be used as leader, leader election. (2888:3888 by default)
+#zookeeper.ports = 2888:3888
+
 # RAMCloud clusterName (same as onos.cluster.name by default)
 #ramcloud.clusterName = onos
 
diff --git a/conf/template/zoo.cfg.template b/conf/template/zoo.cfg.template
index 39dc329..69bd3c0 100644
--- a/conf/template/zoo.cfg.template
+++ b/conf/template/zoo.cfg.template
@@ -11,7 +11,7 @@
 # example sakes.
 dataDir=__DATADIR__
 # the port at which the clients will connect
-clientPort=2181
+clientPort=__CLIENTPORT__
 #
 # specify all servers in the Zookeeper ensemble
 #server.1=onosgui1:2888:3888