http://old.nabble.com/file/p34269615/mytopo1.png
http://old.nabble.com/file/p34269615/mine7.tcl mine7.tcl
#
# w(0)==BS(0)--N0--N1--BS(1)==W(1)
#
# simulation of a wired-cum-wireless scenario
# ======================================================================
# Define options
# ======================================================================
set opt(chan) Channel/WirelessChannel ;# channel type
set opt(prop) Propagation/TwoRayGround ;# radio-propagation
model
set opt(netif) Phy/WirelessPhy ;# network interface type
set opt(mac) Mac/802_11 ;# MAC type
set opt(ifq) Queue/DropTail/PriQueue ;# interface queue type
set opt(ll) LL ;# link layer type
set opt(ant) Antenna/OmniAntenna ;# antenna model
set opt(ifqlen) 50 ;# max packet in ifq
set opt(nn) 2 ;# number of
wirelessnodes
set opt(adhocRouting) DSDV ;# routing protocol
set opt(x) 1000 ;# x coordinate of
topology
set opt(y) 700 ;# y coordinate of
topology
set opt(stop) 250 ;# time to stop
simulation
set opt(ftp1-start) 10.0
set num_wired_nodes 2
set num_bs_nodes 2
#
============================================================================
# create simulator instance
set ns_ [new Simulator]
# set up for hierarchical routing
$ns_ node-config -addressType hierarchical
AddrParams set domain_num_ 4 ;# number of domains
lappend cluster_num 1 1 1 1 ;# number of clusters in each
domain
AddrParams set cluster_num_ $cluster_num
lappend no_of_nodes 1 2 2 1 ;# number of nodes in each domain
AddrParams set nodes_num_ $no_of_nodes ;
set tracefd [open wireless2-out.tr w]
set namtrace [open wireless2-out.nam w]
$ns_ trace-all $tracefd
$ns_ namtrace-all-wireless $namtrace $opt(x) $opt(y)
# Create topography object
set topo [new Topography]
# define topology
$topo load_flatgrid $opt(x) $opt(y)
# create God
create-god [expr $opt(nn) + $num_bs_nodes]
#create wired nodes
set temp {0.0 3.0} ;# hierarchical addresses for wired domain
for {set i 0} {$i < $num_wired_nodes} {incr i} {
set W($i) [$ns_ node [lindex $temp $i]]
}
# configure for base-station node
$ns_ node-config -adhocRouting $opt(adhocRouting) \
-llType $opt(ll) \
-macType $opt(mac) \
-ifqType $opt(ifq) \
-ifqLen $opt(ifqlen) \
-antType $opt(ant) \
-propType $opt(prop) \
-phyType $opt(netif) \
-channelType $opt(chan) \
-topoInstance $topo \
-wiredRouting ON \
-agentTrace ON \
-routerTrace OFF \
-macTrace OFF
#create base-station node
set temp {1.0 1.1 } ;# hier address to be used for wireless domain
set BS(0) [$ns_ node [lindex $temp 0]]
$BS(0) random-motion 0 ;# disable random motion
#provide some co-ord (fixed) to base station node
$BS(0) set X_ 100.0
$BS(0) set Y_ 100.0
$BS(0) set Z_ 0.0
set temp1 {2.0 2.1 } ;
set BS(1) [$ns_ node [lindex $temp1 0]]
$BS(1) random-motion 0 ;# disable random motion
#provide some co-ord (fixed) to base station node
$BS(1) set X_ 700.0
$BS(1) set Y_ 100.0
$BS(1) set Z_ 0.0
# create mobilenodes in the same domain as BS(0)
#configure for mobilenodes
$ns_ node-config -wiredRouting OFF
set node_(0) [ $ns_ node [lindex $temp 1]
$node_(0) base-station [AddrParams addr2id \[$BS(0) node-addr]]
$node_(0) random-motion 0
set node_(1) [ $ns_ node [lindex $temp1 1]
$node_(1) base-station [AddrParams addr2id \[$BS(1) node-addr]]
$node_(1) random-motion 0
#create links between wired and BS nodes
$ns_ duplex-link $W(0) $BS(0) 5Mb 2ms DropTail
$ns_ duplex-link $W(1) $BS(1) 5Mb 2ms DropTail
$ns_ duplex-link-op $W(0) $BS(0) orient right
$ns_ duplex-link-op $W(1) $BS(1) orient right
# setup TCP connections
set tcp1 [new Agent/TCP]
$tcp1 set class_ 2
set sink1 [new Agent/TCPSink]
$ns_ attach-agent $w(0) $tcp1
$ns_ attach-agent $W(1) $sink1
$ns_ connect $tcp1 $sink1
set ftp1 [new Application/FTP]
$ftp1 attach-agent $tcp1
$ns_ at $opt(ftp1-start) "$ftp1 start"
# Define initial node position in nam
$ns_ initial_node_pos $node_(0) 10
$ns_ initial_node_pos $node_(1) 10
$ns_ at $opt(stop).0002 "puts \"NS EXITING...\" ; $ns_ halt"
$ns_ at $opt(stop).0001 "stop"
proc stop {} {
global ns_ tracefd namtrace
$ns_ flush-trace
close $tracefd
close $namtrace
exec nam wireless2-out.nam &
exit 0
}
puts "Starting Simulation..."
$ns_ run
i cant find any mistake where i'm exceeding the number of nodes
created.please help.
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