Hi all,
I would appreciate it if you could help me. I am having the same problem,
which is importing traced traffic (file) into ns2.31.
what do I need to make it work Network/File?
which ns version do i need to use?
Any solution, link, script or code will be helpful.
Cheers,
moses
Larry Brigman wrote:
>
>
> I am needing to run a simulation in NS2 that uses
> pcap or tcpdump trace files as the traffic in the test.
>
> I don't get any errors with this but I also don't get any traffic.
> Do I need to explicitly set routing or is there something else I am
> missing?
>
> My no-error-non-working example
> #Create a simulator object
> set ns [new Simulator]
> $ns use-scheduler Heap
>
> #Open the NAM trace file
> set nf [open pcap_ex.nam w]
> $ns namtrace-all $nf
>
> $ns color 400 Green
> $ns color 500 Yellow
> $ns color 900 Red
>
> #Define a 'finish' procedure
> proc finish {} {
> global ns nf
> $ns flush-trace
> #Close the NAM trace file
> close $nf
> exit 0
> }
>
>
> ###### Setup the Network ############################
> set r(0) [ $ns node ]
> set r(1) [ $ns node ]
>
> ####### Create the network links between nodes ######
> set BANDWIDTH 80Mb
> set DELAY 10us
> $ns simplex-link $r(0) $r(1) $BANDWIDTH $DELAY DropTail
>
> $ns simplex-link-op $r(0) $r(1) orient right
>
> ######## Setup the traffic types ########
> set pcap0 [new Network/Pcap/File ]
> ##### open the trace file
> $pcap0 open readonly network.dump
>
> set null [new Agent/Null]
> set tap0 [new Agent/Tap]
> $ns attach-agent $r(1) $null
> $tap0 network $pcap0
> $ns attach-agent $r(0) $tap0
>
> ####### Notify that we are starting the run...
> puts "Starting run..."
>
> ####### Run the above configured simulation
> $ns run
>
>
>
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