problem with newLan

["Robin Singh" <robin_s99@mailcity.com>]

hi

I had problems running mac-test.tcl .
So I tried the following

bash-2.01$ ns
% set ns [new Simulator]
_o3
% set n0 [$ns node]
_o10
% set n1 [$ns node]
_o12
% $ns newLan "$n0 $n1" 10Mb 2ms -llType LL -ifqType Queue/DropTail -macType Mac/Csma/Ca -chanType Channel
error when calling class TraceIp/Drop: attach {}
% 

Can anyone tell me in which file is the class TraceIp/Drop located ( I haven't been able to locate it) and if possible what exactly is the problem.

thanks
Robin




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