Hellow Folks It's really urgent i need a help, i don't know what's wrong i am getting this error while runing .tcl script for nse.
root@bipul-Linux:/home/bipul/Desktop# nse Emulation1.tcl warning: no class variable Scheduler/RealTime::adjust_new_width_interval_ see tcl-object.tcl in tclcl for info about this warning. warning: no class variable Scheduler/RealTime::min_bin_width_ TapAgent(_o40): linked sock 6 as READABLE TCPTapAgent(_o43): sent packet (sz: 40) TCPTapAgent(_o43): sent packet (sz: 40) TCPTapAgent(_o43): sent packet (sz: 40) bipul@bipul-Linux:~/Desktop$ cat out.tr + 0.010148 2 1 tcp 40 ------- 0 2.0 1.0 0 0 - 0.010148 2 1 tcp 40 ------- 0 2.0 1.0 0 0 r 0.011184 2 1 tcp 40 ------- 0 2.0 1.0 0 0 + 3.010266 2 1 tcp 40 ------- 0 2.0 1.0 0 1 - 3.010266 2 1 tcp 40 ------- 0 2.0 1.0 0 1 r 3.011308 2 1 tcp 40 ------- 0 2.0 1.0 0 1 + 9.010389 2 1 tcp 40 ------- 0 2.0 1.0 0 2 - 9.010389 2 1 tcp 40 ------- 0 2.0 1.0 0 2 r 9.011431 2 1 tcp 40 ------- 0 2.0 1.0 0 2 Below is my code. for nse set ns [new Simulator] $ns use-scheduler RealTime set f [open out.tr w] $ns trace-all $f set entry_node [$ns node] set exit_node [$ns node] set tcp_node [$ns node] $ns simplex-link $entry_node $tcp_node 10Mb 1ms DropTail $ns simplex-link $tcp_node $exit_node 10M 1ms DropTail # Configure the entry node set tap1 [new Agent/TCPTap]; # Create the TCPTap Agent set bpf [new Network/Pcap/Live]; # Create the bpf set dev [$bpf open readonly eth0] $bpf filter "src 113.19.128.48 and src port 80 and dst 113.19.128.60 and dst port 16384" $tap1 network $bpf; # Connect bpf to TCPTap Agent $ns attach-agent $entry_node $tap1; # Attach TCPTap Agent to the node # Configure the exit node set tap2 [new Agent/TCPTap]; # Create a TCPTap Agent set ipnet [new Network/IP]; # Create a Network agent $ipnet open writeonly $tap2 network $ipnet; # Connect network agent to tap agent $tap2 advertised-window 512 $tap2 extipaddr "113.19.128.48" $tap2 extport 80 $ns attach-agent $exit_node $tap2; # Attach agent to the node. # Configure the TCP agent set tcp [new Agent/TCP/FullTcp] $ns attach-agent $tcp_node $tcp # Connect the agents. $ns simplex-connect $tap1 $tcp $ns simplex-connect $tcp $tap2 $ns at 0.01 "$tcp advance 1" $ns at 20.0 "finish" proc finish {} { global ns f nf $ns flush-trace close $f exit 0 } $ns run I hope i will get the answer soon Thank you.