1.Demo1:

Description:

This Tcl file creates 10 nodes, which follow the ZRP protocol. The nodes are located within an area whose boundary is defined as 1100m X 1100m. Each node generates a packet after an interval of 0.2 ms at a rate of 1mb. The packet size is fixed at 100.

Code:

set val(chan)Channel/WirelessChannel;#Channel Type

set val(prop)Propagation/TwoRayGround;# radio-propagationmodel

set val(netif)Phy/WirelessPhy;# network interface type

set val(mac)Mac/802_11;# MAC type

set val(ifq)Queue/DropTail/PriQueue;# interface queue type

set val(ll)LL;# link layer type

set val(ant)Antenna/OmniAntenna;# antenna model

set val(ifqlen)500;# max packet in ifq

set val(nn)10;# number of mobilenodes

set val(rp)ZRP;# Routing protocol

set val(x)1100

set val(y)1100

# Initialize Global Variables

set ns_[new Simulator]

set tracefile[open scatternet10.tr w]

$ns_ trace-all $tracefile

set namtrace [open scatternet10.nam w]

$ns_ namtrace-all-wireless $namtrace $val(x) $val(y)

#$ns_ use-newtrace

# set up topography object

set topo[new Topography]

$topo load_flatgrid $val(x) $val(y)

# Create God

create-god $val(nn)

# New API to config node:

# 1. Create channel (or multiple-channels);

# 2. Specify channel in node-config (instead of channelType);

# 3. Create nodes for simulations.

# Create channel #1 and #2

set chan_1_ [new $val(chan)]

set chan_2_ [new $val(chan)]

# configure node, please note the change below.

$ns_ node-config -adhocRouting $val(rp) \

-llType $val(ll) \

-macType $val(mac) \

-ifqType $val(ifq) \

-ifqLen $val(ifqlen) \

-antType $val(ant) \

-propType $val(prop) \

-phyType $val(netif) \

-topoInstance $topo \

-agentTrace ON \

-routerTrace ON \

-macTrace ON \

-movementTrace ON \

-channel $chan_1_

for {set i 0} {$i < $val(nn)} {incr i} {

set node_($i) [$ns_ node]

$node_($i) random-motion 0

$ns_ initial_node_pos $node_($i) 120

}

puts $tracefile "Nodes Defined"

$node_(0) set X_ 300.0

$node_(0) set Y_ 400.0

$node_(0) set Z_ 0.0

$ns_ initial_node_pos $node_(0) 200

$node_(1) set X_ 700.0

$node_(1) set Y_ 500.0

$node_(1) set Z_ 0.0

$ns_ initial_node_pos $node_(1) 200

$node_(2) set X_ 0.0

$node_(2) set Y_ 0.0

$node_(2) set Z_ 0.0

$ns_ initial_node_pos $node_(2) 0

$node_(3) set X_ 0.0

$node_(3) set Y_ 0.0

$node_(3) set Z_ 0.0

$ns_ initial_node_pos $node_(3) 0

$node_(4) set X_ 0.0

$node_(4) set Y_ 0.0

$node_(4) set Z_ 0.0

$ns_ initial_node_pos $node_(4) 0

$node_(10) set X_ 300.0

$node_(10) set Y_ 200.0

$node_(10) set Z_ 0.0

$ns_ initial_node_pos $node_(10) 100

$node_(11) set X_ 100.0

$node_(11) set Y_ 350.0

$node_(11) set Z_ 0.0

$ns_ initial_node_pos $node_(11) 100

$node_(7) set X_ 100.0

$node_(7) set Y_ 600.0

$node_(7) set Z_ 0.0

$ns_ initial_node_pos $node_(7) 100

$node_(15) set X_ 500.0

$node_(15) set Y_ 450.0

$node_(15) set Z_ 0.0

$ns_ initial_node_pos $node_(15) 140

$node_(5) set X_ 800.0

$node_(5) set Y_ 300.0

$node_(5) set Z_ 0.0

$ns_ initial_node_pos $node_(5) 100

$node_(6) set X_ 1000.0

$node_(6) set Y_ 500.0

$node_(6) set Z_ 0.0

$ns_ initial_node_pos $node_(6) 100

$node_(8) set X_ 600.0

$node_(8) set Y_ 900.0

$node_(8) set Z_ 0.0

$ns_ initial_node_pos $node_(8) 100

$node_(9) set X_ 1000.0

$node_(9) set Y_ 700.0

$node_(9) set Z_ 0.0

$ns_ initial_node_pos $node_(9) 100

$node_(12) set X_ 0.0

$node_(12) set Y_ 0.0

$node_(12) set Z_ 0.0

$ns_ initial_node_pos $node_(12) 0

$node_(13) set X_ 0.0

$node_(13) set Y_ 0.0

$node_(13) set Z_ 0.0

$ns_ initial_node_pos $node_(13) 0

$node_(14) set X_ 0.0

$node_(14) set Y_ 0.0

$node_(14) set Z_ 0.0

$ns_ initial_node_pos $node_(14) 0

$node_(16) set X_ 0.0

$node_(16) set Y_ 0.0

$node_(16) set Z_ 0.0

$ns_ initial_node_pos $node_(16) 0

$node_(17) set X_ 0.0

$node_(17) set Y_ 0.0

$node_(17) set Z_ 0.0

$ns_ initial_node_pos $node_(17) 0

$node_(18) set X_ 0.0

$node_(18) set Y_ 0.0

$node_(18) set Z_ 0.0

$ns_ initial_node_pos $node_(18) 0

$node_(19) set X_ 0.0

$node_(19) set Y_ 0.0

$node_(19) set Z_ 0.0

$ns_ initial_node_pos $node_(19) 0

puts $tracefile "Nodes' coordinates are Defined"

$ns_ at 1.0 "$node_(0) setdest 301.0 401.0 0.0"

$ns_ at 1.0 "$node_(1) setdest 700.0 500.0 0.0"

$ns_ at 1.0 "$node_(10) setdest 200.0 300.0 0.0"

$ns_ at 1.0 "$node_(11) setdest 100.0 400.0 0.0"

$ns_ at 1.0 "$node_(15) setdest 500.0 400.0 0.0"

$ns_ at 1.0 "$node_(5) setdest 800.0 300.0 0.0"

$ns_ at 1.0 "$node_(6) setdest 900.0 500.0 0.0"

$ns_ at 1.0 "$node_(7) setdest 200.0 600.0 0.0"

$ns_ at 1.0 "$node_(8) setdest 600.0 700.0 0.0"

$ns_ at 1.0 "$node_(9) setdest 1000.0 700.0 0.0"

#$ns_ at 1.0 "$node_(2) setdest 0.0 0.0 0.0"

#$ns_ at 1.0 "$node_(3) setdest 0.0 0.0 0.0"

#$ns_ at 1.0 "$node_(4) setdest 0.0 0.0 0.0"

#$ns_ at 1.0 "$node_(12) setdest 0.0 0.0 0.0"

#$ns_ at 1.0 "$node_(13) setdest 0.0 0.0 0.0"

#$ns_ at 1.0 "$node_(14) setdest 0.0 0.0 0.0"

#$ns_ at 1.0 "$node_(16) setdest 0.0 0.0 0.0"

#$ns_ at 1.0 "$node_(17) setdest 0.0 0.0 0.0"

#$ns_ at 1.0 "$node_(18) setdest 0.0 0.0 0.0"

#$ns_ at 1.0 "$node_(19) setdest 0.0 0.0 0.0"

#Creating TCP agents

set tcp0 [new Agent/TCP]

$ns_ attach-agent $node_(0) $tcp0

set tcp1 [new Agent/TCP]

$ns_ attach-agent $node_(1) $tcp1

set tcp2 [new Agent/TCP]

$ns_ attach-agent $node_(10) $tcp2

set tcp3 [new Agent/TCP]

$ns_ attach-agent $node_(11) $tcp3

set tcp4 [new Agent/TCP]

$ns_ attach-agent $node_(15) $tcp4

set tcp5 [new Agent/TCP]

$ns_ attach-agent $node_(5) $tcp5

set tcp6 [new Agent/TCP]

$ns_ attach-agent $node_(6) $tcp6

set tcp7 [new Agent/TCP]

$ns_ attach-agent $node_(7) $tcp7

set tcp8 [new Agent/TCP]

$ns_ attach-agent $node_(8) $tcp8

set tcp9 [new Agent/TCP]

$ns_ attach-agent $node_(9) $tcp9

#Creating NULL agents

set sink0 [new Agent/Null]

$ns_ attach-agent $node_(0) $sink0

$ns_ connect $tcp0 $sink0

set sink1 [new Agent/Null]

$ns_ attach-agent $node_(1) $sink1

$ns_ connect $tcp1 $sink1

set sink2 [new Agent/Null]

$ns_ attach-agent $node_(10) $sink2

$ns_ connect $tcp2 $sink2

set sink3 [new Agent/Null]

$ns_ attach-agent $node_(11) $sink3

$ns_ connect $tcp3 $sink3

set sink4 [new Agent/Null]

$ns_ attach-agent $node_(15) $sink4

$ns_ connect $tcp4 $sink4

set sink5 [new Agent/Null]

$ns_ attach-agent $node_(5) $sink5

$ns_ connect $tcp5 $sink5

set sink6 [new Agent/Null]

$ns_ attach-agent $node_(6) $sink6

$ns_ connect $tcp6 $sink6

set sink7 [new Agent/Null]

$ns_ attach-agent $node_(7) $sink7

$ns_ connect $tcp7 $sink7

set sink8 [new Agent/Null]

$ns_ attach-agent $node_(8) $sink8

$ns_ connect $tcp8 $sink8

set sink9 [new Agent/Null]

$ns_ attach-agent $node_(9) $sink9

$ns_ connect $tcp9 $sink9

# Creating CBR Agents

set cbr0 [new Agent/CBR]

$ns_ attach-agent $node_(0) $cbr0

$cbr0 set packetSize_ 100

$cbr0 set interval_ 0.05

$ns_ connect $cbr0 $sink0

set cbr1 [new Agent/CBR]

$ns_ attach-agent $node_(1) $cbr1

$cbr1 set packetSize_ 100

$cbr1 set interval_ 0.05

$cbr1 set rate_ 1mb

$ns_ connect $cbr1 $sink1

set cbr2 [new Agent/CBR]

$ns_ attach-agent $node_(10) $cbr2

$cbr2 set packetSize_ 100

$cbr2 set interval_ 0.05

$cbr2 set rate_ 1mb

$ns_ connect $cbr2 $sink2

set cbr3 [new Agent/CBR]

$ns_ attach-agent $node_(11) $cbr3

$cbr3 set packetSize_ 100

$cbr3 set interval_ 0.05

$cbr3 set rate_ 1mb

$ns_ connect $cbr3 $sink3

set cbr4 [new Agent/CBR]

$ns_ attach-agent $node_(15) $cbr4

$cbr4 set packetSize_ 100

$cbr4 set interval_ 0.05

$cbr4 set rate_ 1mb

$ns_ connect $cbr4 $sink4

set cbr5 [new Agent/CBR]

$ns_ attach-agent $node_(5) $cbr5

$cbr5 set packetSize_ 100

$cbr5 set interval_ 0.05

$cbr5 set rate_ 1mb

$ns_ connect $cbr5 $sink5

set cbr6 [new Agent/CBR]

$ns_ attach-agent $node_(6) $cbr6

$cbr6 set packetSize_ 100

$cbr6 set interval_ 0.05

$cbr6 set rate_ 1mb

$ns_ connect $cbr6 $sink6

set cbr7 [new Agent/CBR]

$ns_ attach-agent $node_(7) $cbr7

$cbr7 set packetSize_ 100

$cbr7 set interval_ 0.05

$cbr7 set rate_ 1mb

$ns_ connect $cbr7 $sink7

set cbr8 [new Agent/CBR]

$ns_ attach-agent $node_(8) $cbr8

$cbr8 set packetSize_ 100

$cbr8 set interval_ 0.05

$cbr8 set rate_ 1mb

$ns_ connect $cbr8 $sink8

set cbr9 [new Agent/CBR]

$ns_ attach-agent $node_(9) $cbr9

$cbr9 set packetSize_ 100

$cbr9 set interval_ 0.05

$cbr9 set rate_ 1mb

$ns_ connect $cbr9 $sink9

puts $tracefile "All Agents Created"

$ns_ at 1.1 "$cbr0 start"

$ns_ at 1.1 "$cbr1 start"

$ns_ at 1.1 "$cbr2 start"

$ns_ at 1.1 "$cbr3 start"

$ns_ at 1.1 "$cbr4 start"

$ns_ at 1.1 "$cbr5 start"

$ns_ at 1.1 "$cbr6 start"

$ns_ at 1.1 "$cbr7 start"

$ns_ at 1.1 "$cbr8 start"

$ns_ at 1.1 "$cbr9 start"

$ns_ at 5.0 "$cbr0 stop"

$ns_ at 5.0 "$cbr1 stop"

$ns_ at 5.0 "$cbr2 stop"

$ns_ at 5.0 "$cbr3 stop"

$ns_ at 5.0 "$cbr4 stop"

$ns_ at 5.0 "$cbr5 stop"

$ns_ at 5.0 "$cbr6 stop"

$ns_ at 5.0 "$cbr7 stop"

$ns_ at 5.0 "$cbr8 stop"

$ns_ at 5.0 "$cbr9 stop"

for {set i 0} {$i < $val(nn) } {incr i} {

$ns_ at 5.1 "$node_($i) reset";

}

$ns_ at 5.2 "stop"

$ns_ at 5.3 "puts \"NS EXITING...\" ; $ns_ halt"

proc stop {} {

global ns_ tracefile

$ns_ flush-trace

close $tracefile

}

puts "Starting Simulation..."

$ns_ run

2.Demo2:

Description:

This Tcl file creates 20 nodes, which are not mobile. The nodes are scattered on about within an area whose boundary is defined as 1300m X 1300m. Each node generates a packet after an interval of 0.4 ms at variable rate. The packet size is fixed at 100.

Code:

set val(chan)Channel/WirelessChannel;#Channel Type

set val(prop)Propagation/TwoRayGround;# radio-propagation model

set val(netif)Phy/WirelessPhy;# network interface type

set val(mac)Mac/802_11;# MAC type

set val(ifq)Queue/DropTail/PriQueue;# interface queue type

set val(ll)LL;# link layer type

set val(ant)Antenna/OmniAntenna;# antenna model

set val(ifqlen)500;# max packet

set val(nn)15;# number of mobile nodes

set val(rp)ZRP;# routing protocol

set val(x)1300

set val(y)1300

# Initialize Global Variables

set ns_[new Simulator]

set tracefile[open scatternet20.tr w]

$ns_ trace-all $tracefile

set namtrace [open scatternet20.nam w]

$ns_ namtrace-all-wireless $namtrace $val(x) $val(y)

#$ns_ use-newtrace

# set up topography object

set topo[new Topography]

$topo load_flatgrid $val(x) $val(y)

# Create God

create-god $val(nn)

# New API to config node:

# 1. Create channel (or multiple-channels);

# 2. Specify channel in node-config (instead of channelType);

# 3. Create nodes for simulations.

# Create channel #1 and #2

set chan_1_ [new $val(chan)]

set chan_2_ [new $val(chan)]

# configure node, please note the change below.

$ns_ node-config -adhocRouting $val(rp) \

-llType $val(ll) \

-macType $val(mac) \

-ifqType $val(ifq) \

-ifqLen $val(ifqlen) \

-antType $val(ant) \

-propType $val(prop) \

-phyType $val(netif) \

-topoInstance $topo \

-agentTrace ON \

-routerTrace ON \

-macTrace ON \

-movementTrace ON \

-channel $chan_1_

for {set i 0} {$i < $val(nn)} {incr i} {

set node_($i) [$ns_ node]

$node_($i) random-motion 0

$ns_ initial_node_pos $node_($i) 120

}

puts $tracefile "Nodes Defined"

$node_(0) set X_ 300.0

$node_(0) set Y_ 400.0

$node_(0) set Z_ 0.0

$ns_ initial_node_pos $node_(0) 200

$node_(1) set X_ 700.0

$node_(1) set Y_ 500.0

$node_(1) set Z_ 0.0

$ns_ initial_node_pos $node_(1) 200

$node_(2) set X_ 600.0

$node_(2) set Y_ 900.0

$node_(2) set Z_ 0.0

$ns_ initial_node_pos $node_(2) 200

$node_(3) set X_ 1050.0

$node_(3) set Y_ 800.0

$node_(3) set Z_ 0.0

$ns_ initial_node_pos $node_(3) 200

$node_(4) set X_ 200.0

$node_(4) set Y_ 950.0

$node_(4) set Z_ 0.0

$ns_ initial_node_pos $node_(4) 200

$node_(10) set X_ 300.0

$node_(10) set Y_ 200.0

$node_(10) set Z_ 0.0

$ns_ initial_node_pos $node_(10) 100

$node_(11) set X_ 100.0

$node_(11) set Y_ 350.0

$node_(11) set Z_ 0.0

$ns_ initial_node_pos $node_(11) 100

$node_(14) set X_ 200.0

$node_(14) set Y_ 700.0

$node_(14) set Z_ 0.0

$ns_ initial_node_pos $node_(14) 140

$node_(15) set X_ 500.0

$node_(15) set Y_ 450.0

$node_(15) set Z_ 0.0

$ns_ initial_node_pos $node_(15) 140

$node_(5) set X_ 800.0

$node_(5) set Y_ 300.0

$node_(5) set Z_ 0.0

$ns_ initial_node_pos $node_(5) 100

$node_(17) set X_ 850.0

$node_(17) set Y_ 650.0

$node_(17) set Z_ 0.0

$ns_ initial_node_pos $node_(17) 140

$node_(16) set X_ 600.0

$node_(16) set Y_ 700.0

$node_(16) set Z_ 0.0

$ns_ initial_node_pos $node_(16) 140

$node_(9) set X_ 1200.0

$node_(9) set Y_ 950.0

$node_(9) set Z_ 0.0

$ns_ initial_node_pos $node_(9) 100

$node_(18) set X_ 400.0

$node_(18) set Y_ 950.0

$node_(18) set Z_ 0.0

$ns_ initial_node_pos $node_(18) 140

$node_(13) set X_ 1200.0

$node_(13) set Y_ 650.0

$node_(13) set Z_ 0.0

$ns_ initial_node_pos $node_(13) 100

$node_(7) set X_ 10.0

$node_(7) set Y_ 950.0

$node_(7) set Z_ 0.0

$ns_ initial_node_pos $node_(7) 100

$node_(19) set X_ 900.0

$node_(19) set Y_ 900.0

$node_(19) set Z_ 0.0

$ns_ initial_node_pos $node_(19) 140

$node_(6) set X_ 600.0

$node_(6) set Y_ 1200.0

$node_(6) set Z_ 0.0

$ns_ initial_node_pos $node_(6) 100

$node_(12) set X_ 250.0

$node_(12) set Y_ 1200.0

$node_(12) set Z_ 0.0

$ns_ initial_node_pos $node_(12) 100

$node_(8) set X_ 100.0

$node_(8) set Y_ 200.0

$node_(8) set Z_ 0.0

$ns_ initial_node_pos $node_(8) 100

$ns_ at 1.0 "$node_(0) setdest 301.0 401.0 0.0"

$ns_ at 1.0 "$node_(1) setdest 700.0 500.0 0.0"

$ns_ at 1.0 "$node_(10) setdest 200.0 300.0 0.0"

$ns_ at 1.0 "$node_(11) setdest 100.0 400.0 0.0"

$ns_ at 1.0 "$node_(15) setdest 500.0 400.0 0.0"

$ns_ at 1.0 "$node_(5) setdest 800.0 300.0 0.0"

$ns_ at 1.0 "$node_(17) setdest 850.0 650.0 0.0"

$ns_ at 1.0 "$node_(14) setdest 200.0 700.0 0.0"

$ns_ at 1.0 "$node_(16) setdest 600.0 700.0 0.0"

$ns_ at 1.0 "$node_(9) setdest 1200.0 950.0 0.0"

$ns_ at 1.0 "$node_(2) setdest 600.0 900.0 0.0"

$ns_ at 1.0 "$node_(3) setdest 1050.0 800.0 0.0"

$ns_ at 1.0 "$node_(4) setdest 200.0 950.0 0.0"

$ns_ at 1.0 "$node_(18) setdest 400.0 950.0 0.0"

$ns_ at 1.0 "$node_(13) setdest 1050.0 800.0 0.0"

$ns_ at 1.0 "$node_(7) setdest 10.0 950.0 0.0"

$ns_ at 1.0 "$node_(19) setdest 900.0 900.0 0.0"

$ns_ at 1.0 "$node_(6) setdest 600.0 1200.0 0.0"

$ns_ at 1.0 "$node_(12) setdest 250.0 1200.0 0.0"

$ns_ at 1.0 "$node_(8) setdest 100.0 200.0 0.0"

#Creating TCP agents

set tcp0 [new Agent/TCP]

$ns_ attach-agent $node_(0) $tcp0

set tcp1 [new Agent/TCP]

$ns_ attach-agent $node_(1) $tcp1

set tcp2 [new Agent/TCP]

$ns_ attach-agent $node_(10) $tcp2

set tcp3 [new Agent/TCP]

$ns_ attach-agent $node_(11) $tcp3

set tcp4 [new Agent/TCP]

$ns_ attach-agent $node_(15) $tcp4

set tcp5 [new Agent/TCP]

$ns_ attach-agent $node_(5) $tcp5

set tcp6 [new Agent/TCP]

$ns_ attach-agent $node_(6) $tcp6

set tcp7 [new Agent/TCP]

$ns_ attach-agent $node_(7) $tcp7

set tcp8 [new Agent/TCP]

$ns_ attach-agent $node_(8) $tcp8

set tcp9 [new Agent/TCP]

$ns_ attach-agent $node_(9) $tcp9

#Creating NULL agents

set sink0 [new Agent/Null]

$ns_ attach-agent $node_(0) $sink0

$ns_ connect $tcp0 $sink0

set sink1 [new Agent/Null]

$ns_ attach-agent $node_(1) $sink1

$ns_ connect $tcp1 $sink1

set sink2 [new Agent/Null]

$ns_ attach-agent $node_(10) $sink2

$ns_ connect $tcp2 $sink2

set sink3 [new Agent/Null]

$ns_ attach-agent $node_(11) $sink3

$ns_ connect $tcp3 $sink3

set sink4 [new Agent/Null]

$ns_ attach-agent $node_(15) $sink4

$ns_ connect $tcp4 $sink4

set sink5 [new Agent/Null]

$ns_ attach-agent $node_(5) $sink5

$ns_ connect $tcp5 $sink5

set sink6 [new Agent/Null]

$ns_ attach-agent $node_(6) $sink6

$ns_ connect $tcp6 $sink6

set sink7 [new Agent/Null]

$ns_ attach-agent $node_(7) $sink7

$ns_ connect $tcp7 $sink7

set sink8 [new Agent/Null]

$ns_ attach-agent $node_(8) $sink8

$ns_ connect $tcp8 $sink8

set sink9 [new Agent/Null]

$ns_ attach-agent $node_(9) $sink9

$ns_ connect $tcp9 $sink9

# Creating CBR Agents

set cbr0 [new Agent/CBR]

$ns_ attach-agent $node_(0) $cbr0

$cbr0 set packetSize_ 100

$cbr0 set interval_ 0.05

$ns_ connect $cbr0 $sink0

set cbr1 [new Agent/CBR]

$ns_ attach-agent $node_(1) $cbr1

$cbr1 set packetSize_ 100

$cbr1 set interval_ 0.05

$cbr1 set rate_ 1mb

$ns_ connect $cbr1 $sink1

set cbr2 [new Agent/CBR]

$ns_ attach-agent $node_(10) $cbr2

$cbr2 set packetSize_ 100

$cbr2 set interval_ 0.05

$cbr2 set rate_ 1mb

$ns_ connect $cbr2 $sink2

set cbr3 [new Agent/CBR]

$ns_ attach-agent $node_(11) $cbr3

$cbr3 set packetSize_ 100

$cbr3 set interval_ 0.05

$cbr3 set rate_ 1mb

$ns_ connect $cbr3 $sink3

set cbr4 [new Agent/CBR]

$ns_ attach-agent $node_(15) $cbr4

$cbr4 set packetSize_ 100

$cbr4 set interval_ 0.05

$cbr4 set rate_ 1mb

$ns_ connect $cbr4 $sink4

set cbr5 [new Agent/CBR]

$ns_ attach-agent $node_(5) $cbr5

$cbr5 set packetSize_ 100

$cbr5 set interval_ 0.05

$cbr5 set rate_ 1mb

$ns_ connect $cbr5 $sink5

set cbr6 [new Agent/CBR]

$ns_ attach-agent $node_(6) $cbr6

$cbr6 set packetSize_ 100

$cbr6 set interval_ 0.05

$cbr6 set rate_ 1mb

$ns_ connect $cbr6 $sink6

set cbr7 [new Agent/CBR]

$ns_ attach-agent $node_(7) $cbr7

$cbr7 set packetSize_ 100

$cbr7 set interval_ 0.05

$cbr7 set rate_ 1mb

$ns_ connect $cbr7 $sink7

set cbr8 [new Agent/CBR]

$ns_ attach-agent $node_(8) $cbr8

$cbr8 set packetSize_ 100

$cbr8 set interval_ 0.05

$cbr8 set rate_ 1mb

$ns_ connect $cbr8 $sink8

set cbr9 [new Agent/CBR]

$ns_ attach-agent $node_(9) $cbr9

$cbr9 set packetSize_ 100

$cbr9 set interval_ 0.05

$cbr9 set rate_ 1mb

$ns_ connect $cbr9 $sink9

$ns_ at 1.1 "$cbr0 start"

$ns_ at 1.1 "$cbr1 start"

$ns_ at 1.1 "$cbr2 start"

$ns_ at 1.1 "$cbr3 start"

$ns_ at 1.1 "$cbr4 start"

$ns_ at 1.1 "$cbr5 start"

$ns_ at 1.1 "$cbr6 start"

$ns_ at 1.1 "$cbr7 start"

$ns_ at 1.1 "$cbr8 start"

$ns_ at 1.1 "$cbr9 start"

$ns_ at 5.0 "$cbr0 stop"

$ns_ at 5.0 "$cbr1 stop"

$ns_ at 5.0 "$cbr2 stop"

$ns_ at 5.0 "$cbr3 stop"

$ns_ at 5.0 "$cbr4 stop"

$ns_ at 5.0 "$cbr5 stop"

$ns_ at 5.0 "$cbr6 stop"

$ns_ at 5.0 "$cbr7 stop"

$ns_ at 5.0 "$cbr8 stop"

$ns_ at 5.0 "$cbr9 stop"

for {set i 0} {$i < $val(nn) } {incr i} {

$ns_ at 5.1 "$node_($i) reset";

}

$ns_ at 5.2 "stop"

$ns_ at 5.3 "puts \"NS EXITING...\" ; $ns_ halt"

proc stop {} {

global ns_ tracefile

$ns_ flush-trace

close $tracefile

}

puts "Starting Simulation..."

$ns_ run