[ns] Problem with routing

[Yusupha Touray]

Hi'

Need help resolving a bizzare problem.

I am simulating a three node topology as shown below. 
Node n0 sends packets node n1 and node n2. 

               n0-------n1-------n2

n0 first sends the packet to n2 which receives the
packet without any problem. But when n0 sends a packet
destined to n1, n1 one forwards the packet to n2 which
sends it back to n1. This continues until the ttl of
the packet decrements to zero and gets dropped. 

I don't know what I am doing wrong. The packet is sent
to the correct destination address and correct port
number. I have verified this in the trace file
generated.

Can someone please tell me what could be wrong?

Any comments or suggestions will be really
appreciated.

Yusupha

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