Re: [ns] segmentation fault

[kunchanl <kunchanl@pollux.usc.edu>]

you might want to take a look at the examples
in ~ns/tcl/ex (such as test-tbf.tcl)

Kun-chan Lan

On Tue, 14 Aug 2001, lorenz meier wrote:

> hi all,
> i use ns-2.1b7a and would like to generate an exponential traffic source. 
> when i run ns, the trace-file stays empty and in my shell "SEGMENTATION 
> FAULT" is printed...
> what's wrong with my tcl-script?
> thanks
> 
> ...
> 
> # UDP connections between node_(0) and node_(1)
> set udp0 [new Agent/UDP]
> set null0 [new Agent/Null]
> 
> $ns attach-agent $node_(0) $udp0
> $ns attach-agent $node_(1) $null0
> $ns connect $udp0 $null0
> 
> set e0 [new Application/Traffic/Exponential]
> 
> $e0 set burst_time_ 2
> $e0 set idle_time_ 1
> $e0 set rate_ 100
> $e0 set packetSize_ 500
> $e0 attach-agent $udp0
> $ns at 5.0 "$e0 start"
> # UDP connections between node_(1) and node_(0)
> set udp1 [new Agent/UDP]
> set null1 [new Agent/Null]
> 
> $ns attach-agent $node_(1) $udp1
> $ns attach-agent $node_(0) $null1
> $ns connect $udp1 $null1
> 
> set e1 [new Application/Traffic/Exponential]
> 
> $e1 set burst_time_ 2
> $e1 set idle_time_ 1
> $e1 set rate_ 100
> $e1 set packetSize_ 500
> $e1 attach-agent $udp1
> $ns at 8.0 "$e1 start"
> 
> ...
> 
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