Hi, this is what I have.

I would like to know how to modify this tcl file to include the parameters
between R2 and D1. I have tried to search the internet but I havent got
anything satisfactory yet.

Thank you
#-----------------------------------------------------------------------------------------------

#S1______R1_______R2"""Wireless"""D1



#S1___1Gbps,70ms___R1___200Mbps,25ms____R2"""100Mbps,5ms,100Ppkts""D1


#------------------------------------------------------------------------------------------------
global opt
set opt(chan)       Channel/WirelessChannel
set opt(prop)       Propagation/TwoRayGround
set opt(netif)      Phy/WirelessPhy
set opt(mac)        Mac/802_11
set opt(ifq)        Queue/DropTail/PriQueue
set opt(ll)         LL
set opt(ant)        Antenna/OmniAntenna
set opt(x)             670
set opt(y)              670
set opt(ifqlen)         50
set opt(tr)          wired-and-wireless.tr
set opt(namtr)       wired-and-wireless.nam
set opt(nn)             1
set opt(adhocRouting)   DSDV
set opt(cp)             ""
set opt(sc)             "../mobility/scene/scen-3-test"
set opt(stop)           300
set opt(ftp1-start)     100
set num_wired_nodes      2
set num_bs_nodes         1
#-----------------------------------------------------------------------------------------------
#---------------------------------------------------------------------------------------------


set ns_   [new Simulator]
# set up for hierarchical routing
  $ns_ node-config -addressType hierarchical
  AddrParams set domain_num_ 2
  lappend cluster_num 2 1

  AddrParams set cluster_num_ $cluster_num
  lappend eilastlevel 1 1 2
  AddrParams set nodes_num_ $eilastlevel

  set tracefd  [open $opt(tr) w]
  $ns_ trace-all $tracefd
  set namtracefd [open $opt(namtr) w]
  $ns_ namtrace-all $namtracefd

#-----------------------------------------------------------------------------------------------
#---------------------------------------------------------------------------------------------


  set topo   [new Topography]
  $topo load_flatgrid $opt(x) $opt(y)
  # god needs to know the number of all wireless interfaces
  create-god [expr $opt(nn) + $num_bs_nodes]

  #create wired nodes
  set temp {0.0.0 0.1.0}
  for {set i 0} {$i < $num_wired_nodes} {incr i} {
      set W($i) [$ns_ node [lindex $temp $i]]
  }

#-----------------------------------------------------------------------------------------------
#---------------------------------------------------------------------------------------------
  $ns_ node-config -adhocRouting $opt(adhocRouting) \
                 -llType $opt(ll) \
                 -macType $opt(mac) \
                 -ifqType $opt(ifq) \
                 -ifqLen $opt(ifqlen) \
                 -antType $opt(ant) \
                 -propInstance [new $opt(prop)] \
                 -phyType $opt(netif) \
                 -channel [new $opt(chan)] \
                 -topoInstance $topo \
                 -wiredRouting ON \
                 -agentTrace ON \
                 -routerTrace OFF \
                 -macTrace OFF
#-----------------------------------------------------------------------------------------------
#---------------------------------------------------------------------------------------------
  set temp {1.0.0 1.0.1}
  set BS(0) [$ns_ node [lindex $temp 0]]
  $BS(0) random-motion 0

  $BS(0) set X_ 1.0
  $BS(0) set Y_ 2.0
  $BS(0) set Z_ 0.0

  #configure for mobilenodes
  $ns_ node-config -wiredRouting OFF

  for {set j 0} {$j < $opt(nn)} {incr j} {
    set node_($j) [ $ns_ node [lindex $temp \
            [expr $j+1]] ]
    $node_($j) base-station [AddrParams addr2id [$BS(0) node-addr]]
  }
#-----------------------------------------------------------------------------------------------
#---------------------------------------------------------------------------------------------
  #create links between wired and BS nodes
  $ns_ duplex-link $W(0) $W(1) 1000Mb 70ms DropTail
  $ns_ duplex-link $W(1) $BS(0) 200Mb 25ms DropTail
  $ns_ duplex-link-op $W(0) $W(1) orient down
  $ns_ duplex-link-op $W(1) $BS(0) orient left-down

#---------------------------------------------------------------------------------------------
#---------------------------------------------------------------------------------------------


  # setup TCP connections
  set tcp1 [new Agent/TCP]
  $tcp1 set class_ 2
  set sink1 [new Agent/TCPSink]
  $ns_ attach-agent $node_(0) $tcp1
  $ns_ attach-agent $W(0) $sink1
  $ns_ connect $tcp1 $sink1
  set ftp1 [new Application/FTP]
  $ftp1 attach-agent $tcp1
  $ns_ at 160 "$ftp1 start"

  set tcp2 [new Agent/TCP]
  $tcp2 set class_ 2
  set sink2 [new Agent/TCPSink]
  $ns_ attach-agent $W(1) $tcp2
  $ns_ attach-agent $node_(2) $sink2
  $ns_ connect $tcp2 $sink2
  set ftp2 [new Application/FTP]
  $ftp2 attach-agent $tcp2
  $ns_ at 180 "$ftp2 start"

  for {set i 0} {$i < $opt(nn)} {incr i} {
      $ns_ initial_node_pos $node_($i) 20
   }

  for {set i } {$i < $opt(nn) } {incr i} {
      $ns_ at $opt(stop).0000010 "$node_($i) reset";
  }
  $ns_ at $opt(stop).0000010 "$BS(0) reset";

  $ns_ at $opt(stop).1 "puts \"NS EXITING...\" ; $ns_ halt"

  puts "Starting Simulation..."
  $ns_ run

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