hi sir , i was wondering if you were able to fix this problme coz i have the
same problme
please let me know if you can
thanks
刘耀斯 wrote:
>
>
>
> I'm using ns-2.28 for the simulation of Mobile IP.
>
> I set the positions of MN(MobileNode), HA(HomeAgent), FA1(ForeignAgent),
> FA2 are (10,10), (10,10), (800,20), (800,800). And the topo that I set is
> 1000*1000. When the ns run, the positions of HA and FA are not what I set
> in NAM.However the MN's position is correct.
>
> I'd appreciate any help and any pointer to how I can find & fix this
> problem.
>
>
>
>
> The TCL scpirt as follow:
>
> 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(ifqlen) 50
> set opt(nn) 1
> set opt(adhocRouting) DSDV
> set opt(x) 1000
> set opt(y) 1000
> set opt(stop) 200
> set opt(ftp1-start) 10.0
>
> set num_wired_nodes 2
>
> set ns_ [new Simulator]
>
> $ns_ node-config -addressType hierarchical
>
> AddrParams set domain_num_ 4
> lappend cluster_num 2 1 1 1
> AddrParams set cluster_num_ $cluster_num
> lappend eilastlevel 1 1 1 1 1
> AddrParams set nodes_num_ $eilastlevel
>
> set mytrace [open wiredcumwireless.tr w]
> set mynamtrace [open wiredcumwireless.nam w]
> $ns_ trace-all $mytrace
> $ns_ namtrace-all-wireless $mynamtrace $opt(x) $opt(y)
>
> set topo [new Topography]
>
> $topo load_flatgrid $opt(x) $opt(y)
>
> create-god [expr $opt(nn)+3]
>
> set temp {0.0.0 0.1.0};
> for {set i 0} {$i < $num_wired_nodes} {incr i} {
> set W($i) [$ns_ node [lindex $temp $i]]
> }
> $W(0) label "CN"
> $W(1) label "Gateway"
>
> $ns_ node-config -mobileIP ON \
> -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 $topo \
> -wiredRouting ON \
> -agentTrace ON \
> -routerTrace OFF \
> -macTrace OFF \
>
>
> set HA [$ns_ node 1.0.0]
> set FA1 [$ns_ node 2.0.0]
> set FA2 [$ns_ node 3.0.0]
> $HA random-motion 0
> $FA1 random-motion 0
> $FA2 random-motion 0
>
> $HA set X_ 20.00
> $HA set Y_ 20.00
> $HA set Z_ 0.00
> $HA label "HA"
> $FA1 set X_ 800.00
> $FA1 set Y_ 200.00
> $FA1 set Z_ 0.00
> $FA1 label "FA1"
> $FA2 set X_ 800.00
> $FA2 set Y_ 800.00
> $FA2 set Z_ 0.00
> $FA2 label "FA2"
>
> $ns_ node-config -wiredRouting OFF
> set MN [$ns_ node 1.0.1]
> set node_(0) $MN
> $MN label "MN"
>
> set HAaddress [AddrParams addr2id [$HA node-addr]]
> [$MN set regagent_] set home_agent_ $HAaddress
>
> $MN set Z_ 0.00
> $MN set Y_ 10.00
> $MN set X_ 10.00
>
> $ns_ at 10 "$MN setdest 750.00 50.00 30.00"
> $ns_ at 100 "$MN setdest 900.00 900.00 30.00"
> $ns_ at 150 "$MN setdest 5.00 5.00 30.00"
>
> $ns_ duplex-link $W(0) $W(1) 5Mb 2ms DropTail
> $ns_ duplex-link $W(1) $HA 5Mb 2ms DropTail
> $ns_ duplex-link $W(1) $FA1 5Mb 2ms DropTail
> $ns_ duplex-link $W(1) $FA2 5Mb 2ms DropTail
> $ns_ duplex-link-op $W(0) $W(1) orient down
> $ns_ duplex-link-op $W(1) $HA orient left-down
> $ns_ duplex-link-op $W(1) $FA1 orient right-down
> $ns_ duplex-link-op $W(1) $FA2 orient right-up
>
> set tcp1 [new Agent/TCP]
> $tcp1 set class_ 2
> set sink1 [new Agent/TCPSink]
> $ns_ attach-agent $W(0) $tcp1
> $ns_ attach-agent $MN $sink1
> $ns_ connect $tcp1 $sink1
> set ftp1 [new Application/FTP]
> $ftp1 attach-agent $tcp1
> $ns_ at $opt(ftp1-start) "$ftp1 start"
>
> for {set i 0} {$i < $opt(nn)} {incr i} {
> $ns_ initial_node_pos $node_($i) 10
> }
>
> for {set i 0} {$i < $opt(nn)} {incr i} {
> $ns_ at $opt(stop).0 "$node_($i) reset";
> }
> $ns_ at $opt(stop).0 "$HA reset"
> $ns_ at $opt(stop).0 "$FA1 reset"
> $ns_ at $opt(stop).0 "$FA2 reset"
> $ns_ at $opt(stop).0002 "puts \"NS EXITING...\";$ns_ halt"
> $ns_ at $opt(stop).0001 "stop"
> proc stop {} {
> global ns_ mytrace mynamtrace
> close $mytrace
> close $mynamtrace
> exec nam wiredcumwireless.nam &
> exit 0
> }
> puts "Strating Simulation..."
> $ns_ run
>
> --
>
>
>
>
>
> Best regards!
>
> YosefLiu
>
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