diff -r abbed5a4b42a -r 8d540f55e491 networkcontrol/ipnetworklayer/src/IPProtoCprStates.cpp
--- a/networkcontrol/ipnetworklayer/src/IPProtoCprStates.cpp	Tue Aug 31 16:45:15 2010 +0300
+++ b/networkcontrol/ipnetworklayer/src/IPProtoCprStates.cpp	Wed Sep 01 12:33:58 2010 +0100
@@ -38,6 +38,8 @@
 #include <commsdattypesv1_1_partner.h>
 #include <es_prot_internal.h>
 #include <elements/nm_messages_errorrecovery.h>
+#include <es_enum_internal.h>
+#include "ItfInfoConfigExt.h"
 
 using namespace Messages;
 using namespace MeshMachine;
@@ -153,8 +155,10 @@
 	if (iContext.Node().iTimerStopped)
 		{
 		TInt selfidx = iContext.iNodeActivity->FindOriginator(iContext.Node().SelfInterface());
-		ASSERT(selfidx != KErrNotFound);
-		iContext.iNodeActivity->RemoveOriginator(selfidx);
+		if(selfidx != KErrNotFound)
+			{
+			iContext.iNodeActivity->RemoveOriginator(selfidx);
+			}				
 		}
 		
 	TInt stopCode = KErrCancel;
@@ -283,6 +287,19 @@
 	if (state.Accept())
 		{
 		iContext.Node().DisableTimers();
+		// Check if we have been re-started (i.e. a start request is processed immmediately after a stop request
+		// has been processed).  If so, we generate a special EInterfaceStarting notification towards ESock.
+		// This is to solve the problem where there is a missing EInterfaceDown/EInterfaceUp event sequence
+		// from AllInterfaceNotification in this scenario. 
+		if (iContext.Node().iStopped)
+		    {
+            const TItfInfoConfigExt* ext = static_cast<const TItfInfoConfigExt*>(iContext.Node().AccessPointConfig().FindExtension(STypeId::CreateSTypeId(KIpProtoConfigExtUid, EItfInfoConfigExt)));
+            if (ext)
+                {
+                TInterfaceNotification info = { ext->iConnectionInfo, TConnInterfaceState(EInterfaceRestarting) };
+                iContext.Node().Factory().InterfaceStateChange(TPckgC<TInterfaceNotification>(info));
+                }
+		    }
 		return ETrue;
 		}
 	return EFalse;
@@ -379,6 +396,7 @@
 	iContext.Node().SetTimerMode(CIPProtoConnectionProvider::ETimerMedium);
 
     iContext.Node().iTimerStopped = EFalse;
+    iContext.Node().iTimerExpired = EFalse;
 	CoreNetStates::TSendStarted transition(iContext);
 	transition.DoL();
 	}
@@ -409,14 +427,21 @@
     	TCFMessage::TSubConnDataTransferred wholeConnMsg(KNifEMCompatibilityLayerEntireSubConnectionUid, dmProvider->DataVolumesPtr()->iSentBytes, dmProvider->DataVolumesPtr()->iReceivedBytes);
     	TCFMessage::TSubConnDataTransferred defaultSubConnMsg(KNifEMCompatibilityLayerFakeSubConnectionId, dmProvider->DataVolumesPtr()->iSentBytes, dmProvider->DataVolumesPtr()->iReceivedBytes);
 
-    	RNodeInterface* ctrlClient = iContext.Node().GetFirstClient<TDefaultClientMatchPolicy>(TClientType(TCFClientType::ECtrl));
-		if(ctrlClient)
-			{ // Can't send this if the client's gone
-			ctrlClient->PostMessage(iContext.NodeId(), wholeConnMsg);
-			ctrlClient->PostMessage(iContext.NodeId(), defaultSubConnMsg);
-
-			iContext.Node().iSubConnEventDataSent = ETrue;
-			}
+      // Sending data clent status change message to all the control clients
+      TClientIter<TDefaultClientMatchPolicy> ccIter = iContext.Node().GetClientIter<TDefaultClientMatchPolicy>(TClientType(TCFClientType::ECtrl), TClientType(0, TCFClientType::ELeaving));        
+	RNodeInterface* ctrlClient; 
+	TBool ctrlClientPresent = false;
+	while ((ctrlClient = ccIter++) != NULL)            
+	    {
+          //If any cntl clinet is present setting the variable ctrlClientPresent as true.
+	    ctrlClientPresent = true;
+	    ctrlClient->PostMessage(iContext.NodeId(), wholeConnMsg);    
+	    ctrlClient->PostMessage(iContext.NodeId(), defaultSubConnMsg); 
+	    }
+	if(ctrlClientPresent)
+	    {
+	    iContext.Node().iSubConnEventDataSent = ETrue;
+	    }
     	}
     }