diff dsr/model/dsr-routing.cc src/dsr/model/dsr-routing.cc
3191c3191
<       Ptr<Packet> propPacket = packet->Copy ();
---
>       Ptr<Packet> propPacket = IncreasePacketRequestId (packet->Copy ());
3197c3197
<       ScheduleRreqRetry (packet, address, false, requestId, protocol);
---
>       ScheduleRreqRetry (packet, address, false, m_requestId, protocol);
3199a3200,3258
> }
> 
> Ptr<Packet>
> DsrRouting::IncreasePacketRequestId (Ptr<Packet> packet)
> {
>   Ptr<Packet> p = packet->Copy ();
>   DsrRoutingHeader dsrHeader;
>   p->RemoveHeader (dsrHeader);          // Remove the DSR header in whole
>   uint32_t offset = dsrHeader.GetDsrOptionsOffset ();   // Get the offset for option header, 8 bytes in this case
> 
>   // Remove dsr routing header
>   packet->RemoveAtStart (offset);
>   Ptr<Packet> returnedPacket = Create<Packet> ();
>   // prepare for obtaining rreq header
>   uint8_t buf[2];
>   packet->CopyData (buf, sizeof(buf));
>   uint8_t numberAddress = (buf[1] - 6) / 4;
>   DsrOptionRreqHeader rreq;
>   rreq.SetNumberAddress (numberAddress);
>   packet->RemoveHeader (rreq);
> 
>   // Recreate set of headers starting from routing header
>   DsrRoutingHeader dsrRoutingHeader;
>   dsrRoutingHeader.SetNextHeader (dsrHeader.GetNextHeader());
>   dsrRoutingHeader.SetMessageType (dsrHeader.GetMessageType());
>   dsrRoutingHeader.SetSourceId (dsrHeader.GetSourceId());
>   dsrRoutingHeader.SetDestId (dsrHeader.GetDestId());
>   // recreate rreq header
>   DsrOptionRreqHeader rreqHeader;
>   rreqHeader.AddNodeAddress (m_mainAddress);    // Add our own address in the header
>   rreqHeader.SetTarget (rreq.GetTarget());
>   m_requestId = m_rreqTable->CheckUniqueRreqId (rreq.GetTarget());      // Check the Id cache for duplicate ones
>   rreqHeader.SetId(m_requestId);        // assign new request ID
>   // in case there is an error header, also add it to the set of copied headers
>   if (packet->GetSize())
>     {
>       NS_LOG_DEBUG("Error header included");
>       DsrOptionRerrUnreachHeader rerr;  // recreate error header
>       packet->RemoveHeader(rerr);
> 
>       DsrOptionRerrUnreachHeader newUnreach;
>       newUnreach.SetErrorType (rerr.GetErrorType());
>       newUnreach.SetErrorSrc (rerr.GetErrorSrc());
>       newUnreach.SetUnreachNode (rerr.GetUnreachNode());
>       newUnreach.SetErrorDst (rerr.GetErrorDst());
>       newUnreach.SetSalvage (rerr.GetSalvage ()); // Set the value about whether to salvage a packet or not
>       uint16_t length = rreq.GetLength () + newUnreach.GetLength ();
>       dsrRoutingHeader.SetPayloadLength (length + 4);
>       dsrRoutingHeader.AddDsrOption (rreq);
>       dsrRoutingHeader.AddDsrOption (newUnreach);
>     }
>   else
>     {
>       dsrRoutingHeader.AddDsrOption (rreqHeader);                      // Add the rreqHeader to the dsr extension header
>       uint8_t length = rreqHeader.GetLength ();
>       dsrRoutingHeader.SetPayloadLength (uint16_t (length) + 2);
>     }
>   returnedPacket->AddHeader (dsrRoutingHeader);
>   return returnedPacket;
diff dsr/model/dsr-routing.h src/dsr/model/dsr-routing.h
644c644,650
< 
---
>   /**
>    * Increase route request packet ID number, while copying all necessary headers
>    * Method called inside RouteRequestTimerExpire
>    *
>    * \param packet Packet, from which DsrRouting, DsrOptionRreq and DsrOptionRerrUnreach headers are copied
>    */
>   Ptr<Packet> IncreasePacketRequestId (Ptr<Packet> packet);