--- a/RELEASE_NOTES	
+++ a/RELEASE_NOTES	
@@ -37,6 +37,7 @@ 
 - Bug 1700 - Ipv6RawSocket does not honor the bound address when sending packets
 - Bug 1701 - Ipv6StaticRouting: the source address should match the destination scope
 - Bug 1702 - Ipv6InterfaceContainer::SetRouter should not always add the router as the default router
+- Bug 1703 - Nodes don't react to a DAD
 
 Known issues
 ------------
--- a/src/internet/model/icmpv6-l4-protocol.cc	
+++ a/src/internet/model/icmpv6-l4-protocol.cc	
@@ -595,18 +595,16 @@ 
 
   if (!entry)
     {
-      /* ouch!! we are victim of a DAD */
+      /* ouch!! we might be victim of a DAD */
       
-      /*  Logically dead code (DEADCODE)
-       *  b/c loop test compares default Ipv6InterfaceAddress to target
-       
       Ipv6InterfaceAddress ifaddr;
       bool found = false;
       uint32_t i = 0;
-      uint32_t nb = 0;
+      uint32_t nb = interface->GetNAddresses ();
 
       for (i = 0; i < nb; i++)
         {
+          ifaddr = interface->GetAddress (i);
           if (ifaddr.GetAddress () == target)
             {
               found = true;
@@ -621,7 +619,7 @@ 
               interface->SetState (ifaddr.GetAddress (), Ipv6InterfaceAddress::INVALID);
             }
         }
-      */
+
       /* we have not initiated any communication with the target so... discard the NA */
       return;
     }