diff --git a/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/impl/OspfControllerImpl.java b/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/impl/OspfControllerImpl.java
index 31067fc..83462ee 100644
--- a/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/impl/OspfControllerImpl.java
+++ b/protocols/ospf/ctl/src/main/java/org/onosproject/ospf/controller/impl/OspfControllerImpl.java
@@ -16,6 +16,7 @@
 
 package org.onosproject.ospf.controller.impl;
 
+import com.fasterxml.jackson.databind.JsonNode;
 import com.google.common.collect.Sets;
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
@@ -34,7 +35,6 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
@@ -111,27 +111,23 @@
     }
 
     @Override
-    public void updateConfig(List processes) {
-        List<OspfProcess> ospfProcesses = new ArrayList<>();
-        if (processes != null) {
-            for (Object process : processes) {
-                ospfProcesses.add((OspfProcess) process);
+    public void updateConfig(JsonNode processesNode) {
+        try {
+            List<OspfProcess> ospfProcesses = OspfConfigUtil.processes(processesNode);
+            //if there is interface details then update configuration
+            if (ospfProcesses.size() > 0 &&
+                    ospfProcesses.get(0).areas() != null && ospfProcesses.get(0).areas().size() > 0 &&
+                    ospfProcesses.get(0).areas().get(0) != null &&
+                    ospfProcesses.get(0).areas().get(0).ospfInterfaceList().size() > 0) {
+                ctrl.updateConfig(ospfProcesses);
             }
+        } catch (Exception e) {
+            log.debug("Error::updateConfig::{}", e.getMessage());
         }
-        log.debug("updateConfig::OspfList::processes::{}", ospfProcesses);
-        ctrl.updateConfig(ospfProcesses);
     }
 
     @Override
     public void deleteConfig(List<OspfProcess> processes, String attribute) {
-        List<OspfProcess> ospfProcesses = new ArrayList<>();
-        if (processes != null) {
-            for (Object process : processes) {
-                ospfProcesses.add((OspfProcess) process);
-            }
-        }
-        log.debug("deleteConfig::OspfList::processes::{}", ospfProcesses);
-        ctrl.deleteConfig(ospfProcesses, attribute);
     }
 
     /**
@@ -163,9 +159,9 @@
         }
 
         @Override
-        public void deleteLink(OspfRouter ospfRouter) {
+        public void deleteLink(OspfRouter ospfRouter, OspfLinkTed ospfLinkTed) {
             for (OspfLinkListener l : linkListener()) {
-                l.deleteLink(ospfRouter);
+                l.deleteLink(ospfRouter, ospfLinkTed);
             }
         }
     }