Hello ns-2 users,A.A.I tried to test the performance of DSR protocol on a 
simple WSN topology using ns2.35 ,,   i used " wpan " model that simulate the 
MAC and the PHY layers of the IEEE 802.15.4 standard. During the simulation 
time, the following- highlighted- lines appeared in my terminal and packet 
delivery fraction was "0 %".. Can anyone give me a solution for this problem.. 
I  appreciate any help.. Thanks. 
[wpan/p802_15_4phy.cc::PD_DATA_request][5.078696](node 183) Invalid PSDU/MPDU 
length: type = DSR, src = 183, dst = -1, uid = 2, mac_uid = 1, size = 
159[wpan/p802_15_4phy.cc::PD_DATA_request][5.079254](node 387) Invalid 
PSDU/MPDU length: type = DSR, src = 387, dst = -1, uid = 2, mac_uid = 1, size = 
159[wpan/p802_15_4phy.cc::PD_DATA_request][5.079922](node 19) Invalid PSDU/MPDU 
length: type = DSR, src = 19, dst = -1, uid = 2, mac_uid = 1, size = 
159[wpan/p802_15_4phy.cc::PD_DATA_request][5.081246](node 294) Invalid 
PSDU/MPDU length: type = DSR, src = 294, dst = -1, uid = 2, mac_uid = 1, size = 
159[wpan/p802_15_4phy.cc::PD_DATA_request][5.082006](node 151) Invalid 
PSDU/MPDU length: type = DSR, src = 151, dst = -1, uid = 2, mac_uid = 1, size = 
159[wpan/p802_15_4phy.cc::PD_DATA_request][5.085888](node 3) Invalid PSDU/MPDU 
length: type = DSR, src = 3, dst = -1, uid = 2, mac_uid = 1, size = 
159[wpan/p802_15_4phy.cc::PD_DATA_request][5.091257](node 422) Invalid 
PSDU/MPDU length: typ!
 e = DSR, src = 422, dst = -1, uid = 2, mac_uid = 1, size = 
159[wpan/p802_15_4phy.cc::PD_DATA_request][5.092133](node 350) Invalid 
PSDU/MPDU length: type = DSR, src = 350, dst = -1, uid = 2, mac_uid = 1, size = 
159[wpan/p802_15_4phy.cc::PD_DATA_request][7.111617](node 315) Invalid 
PSDU/MPDU length: type = DSR, src = 315, dst = -1, uid = 47, mac_uid = 3, size 
= 159[wpan/p802_15_4phy.cc::PD_DATA_request][7.126888](node 22) Invalid 
PSDU/MPDU length: type = DSR, src = 22, dst = -1, uid = 47, mac_uid = 3, size = 
159[wpan/p802_15_4phy.cc::PD_DATA_request][15.131443](node 63) Invalid 
PSDU/MPDU length: type = DSR, src = 63, dst = -1, uid = 448, mac_uid = 5, size 
= 159[wpan/p802_15_4phy.cc::PD_DATA_request][45.190336](node 269) Invalid 
PSDU/MPDU length: type = DSR, src = 269, dst = -1, uid = 4681, mac_uid = 11, 
size = 159[wpan/p802_15_4phy.cc::PD_DATA_request][45.191483](node 192) Invalid 
PSDU/MPDU length: type = DSR, src = 192, dst = -1, uid = 4681, mac_uid = 11, 
size = 159

Best Regards,
Dalia Elewely.

                                                                                
  

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