Hi everybody, I am working on blip library, with 4 motes installed UDPEcho application and one mote with IPBaseStation, 2 motes are single hop distance (moteid 1 and moteid 2) and other two are two hops away(moteid 3 and moteid4). when i do ping mote 1 and 2 , they works fine with only %2 packet loss, but problem is when i try to do ping mote 3 and 4 (which are two hops away and they reach BS through 3 ->1->BS and 4 ->2->BS) sometimes i cant get a ping reply, instead i get a message like *"From fec0::64 icmp_seq=5340 Destination unreachable : Administratively prohibited"* . i get this message very often for motes which are multi hops away. what is the reason for this?,,, is the link between hops is not so good or what?.... during that time i tried to ping mote3 by mote1 and similarly mote 4 by mote 2 but all the packets get loss, what might be the reason for that?.. if the link was not good then why it cant send through other motes which are nearer to base station?,,,
and what is the difference between getting this message and not getting any reply when i do ping? thanks for any help.. Lohith Y.S.
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