[ns] need help

["gudum thegol" <gudumthegol@hotmail.com>]

Hi
I have generated the trace file where the sample portion is:

r 200.005796 0 1 tcp 1000 ------- 2 0.0.0.0 1.0.1.2 11954 24595
+ 200.005796 1 2 tcp 1000 ------- 2 0.0.0.0 1.0.1.2 11954 24595
- 200.005796 1 2 tcp 1000 ------- 2 0.0.0.0 1.0.1.2 11954 24595
r 200.006692 2 1 tcp 1020 ------- 2 0.0.0.1 2.0.0.1 11953 24592
+ 200.006692 1 3 tcp 1020 ------- 2 0.0.0.1 2.0.0.1 11953 24592
- 200.006692 1 3 tcp 1020 ------- 2 0.0.0.1 2.0.0.1 11953 24592

Would you please tell me what are the differencs between fields/columns 3, 4 
( e.g., for first row 0 and 1, second row 1 and 2)and columns 8, 9 (e.g., 
for first row 0.0.0.0, and 1.0.1.2). I am curious whether columns 3/4 are 
simply dummy or system supplied node #.
Please  let me know.

Thanks!

GT
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