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This is the program for study of Network Simulator using NS2.

Author: FariyaRahmath

Study_Network_Simulator_using_NS2.txt

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+set ns [new Simulator]
+set nf [open out.nam w]
+$ns namtrace-all $nf
+proc finish {} {
+        global ns nf
+        $ns flush-trace
+	#Close the trace file
+        close $nf
+	#Execute nam on the trace file
+        exec nam out.nam &
+        exit 0
+}
+set n0 [$ns node]
+set n1 [$ns node]
+$ns duplex-link $n0 $n1 1Mb 10ms DropTail
+set udp0 [new Agent/UDP]
+$ns attach-agent $n0 $udp0
+set cbr0 [new Application/Traffic/CBR]
+$cbr0 set packetSize_ 500
+$cbr0 set interval_ 0.005
+$cbr0 attach-agent $udp0
+set null0 [new Agent/Null]
+$ns attach-agent $n1 $null0
+$ns connect $udp0 $null0  
+$ns at 0.5 "$cbr0 start"
+$ns at 4.5 "$cbr0 stop"
+$ns at 5.0 "finish"
+$ns run