diff --git a/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/InstancePortService.java b/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/InstancePortService.java
index f5ebe11..7dcbd32 100644
--- a/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/InstancePortService.java
+++ b/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/InstancePortService.java
@@ -66,4 +66,12 @@
      * @return set of instance ports; empty list if no port exists
      */
     Set<InstancePort> instancePorts(String osNetId);
+
+    /**
+     * Returns the floating IP with the supplied instance port.
+     *
+     * @param osPortId openstack port id
+     * @return openstack floating IP
+     */
+    IpAddress floatingIp(String osPortId);
 }
diff --git a/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackNetworkService.java b/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackNetworkService.java
index 71fc440..71d9bb1 100644
--- a/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackNetworkService.java
+++ b/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackNetworkService.java
@@ -156,7 +156,7 @@
     String networkType(String netId);
 
     /**
-     * Returns gateway ip address upplied port ID.
+     * Returns gateway ip address with supplied port ID.
      *
      * @param portId openstack port id
      * @return gateway ip address
diff --git a/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackRouterService.java b/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackRouterService.java
index a1a8d30..18bf967 100644
--- a/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackRouterService.java
+++ b/apps/openstacknetworking/api/src/main/java/org/onosproject/openstacknetworking/api/OpenstackRouterService.java
@@ -68,6 +68,7 @@
 
     /**
      * Returns the floating IP with the supplied floating IP ID.
+     *
      * @param floatingIpId floating ip id
      * @return openstack floating ip
      */