ONOS-4505: Bug Fixes

Change-Id: Ia030aa3aff9e2ad34a5e27fbe4ba088dda65bfa7
diff --git a/protocols/isis/api/src/main/java/org/onosproject/isis/controller/IsisInterface.java b/protocols/isis/api/src/main/java/org/onosproject/isis/controller/IsisInterface.java
index 3ac7122..3f775cc 100644
--- a/protocols/isis/api/src/main/java/org/onosproject/isis/controller/IsisInterface.java
+++ b/protocols/isis/api/src/main/java/org/onosproject/isis/controller/IsisInterface.java
@@ -195,13 +195,6 @@
     void setAreaLength(int areaLength);
 
     /**
-     * Sets link state packet ID.
-     *
-     * @param lspId link state packet ID
-     */
-    void setLspId(String lspId);
-
-    /**
      * Returns holding time.
      *
      * @return holding time
@@ -251,6 +244,11 @@
     void startHelloSender(Channel channel);
 
     /**
+     * Stops the hello timer which sends hello packet every configured seconds.
+     */
+    void stopHelloSender();
+
+    /**
      * Processes an ISIS message which is received on this interface.
      *
      * @param isisMessage ISIS message instance
@@ -315,4 +313,9 @@
      * @param isisNeighbor ISIS neighbor instance
      */
     void removeNeighbor(IsisNeighbor isisNeighbor);
+
+    /**
+     * Removes all the neighbors.
+     */
+    void removeNeighbors();
 }