--- arp-l3-protocol.cc 2015-06-06 00:13:16.000000000 +0530 +++ sol1.cc 2015-07-25 14:03:33.837659271 +0530 @@ -318,6 +318,13 @@ m_dropTrace (packet); } } + else if (entry-> IsPermanent ()) + { + NS_LOG_LOGIC ("node="<GetId ()<< + ", permanent for " << destination << "valid -- send"); + *hardwareDestination = entry->GetMacAddress (); + return true; + } } } else