Re: Wireless LAN

[Haobo Yu <haoboy@isi.edu>]

Currently nam does not support wireless lan traces. Stay tuned and it'll
be there in the near future. :)

- Haobo

On Tue, 10 Mar 1998, Flavio Paiva Junqueira wrote:

> I am experiencing some trouble to simulate a wireless LAN
> using ns-2. The code for Mac/802.11 seems to be incomplete, 
> because the simulator complains about variables that do not
> exist. If I use Csma/Ca as a Mac type, the simulator runs 
> normally but I cannot start the nam application.
> 
> The Tcl script that I am using to simulate follows this text.
> If anyone has a tip about this issue, please send an answer.
> Thanks in advance.
> 
> 
> 		Flavio Paiva.
> 
> 
> ############## Source code mob.tcl
> 
> #source ~/NS/fontes/linux/ns/tcl/lan/ns-mac.tcl
> #source ~/NS/fontes/linux/ns/tcl/lan/ns-lan.tcl
> #set env(PATH) "${nshome}bin:$env(PATH)"
> 
> set ns [new Simulator]
> Simulator set EnableMcast_ 1
> Simulator set NumberInterfaces_ 1
> 
> set f [open out.tr w]
> $ns trace-all $f
> set namf [open out.nam w]
> $ns namtrace-all $namf
> 
> $ns color 1 red
> # prune/graft packets
> $ns color 30 purple
> $ns color 31 bisque
> 
> set n0 [$ns node]
> set n1 [$ns node]
> set n2 [$ns node]
> set n3 [$ns node]
> set n4 [$ns node]
> set n5 [$ns node]
> 
> $ns duplex-link $n0 $n1 1.5Mb 10ms DropTail
> $ns duplex-link $n1 $n2 1.5Mb 10ms DropTail
> $ns duplex-link $n1 $n3 1.5Mb 10ms DropTail
> $ns duplex-link $n1 $n4 1.5Mb 10ms DropTail
> 
> $ns duplex-link-op $n0 $n1 orient right
> $ns duplex-link-op $n1 $n2 orient right-up
> $ns duplex-link-op $n1 $n3 orient right
> $ns duplex-link-op $n1 $n4 orient right-down
> set lan [$ns make-lan "$n3 $n5" 10Mb 10ms LL Queue/DropTail Mac/Csma/Ca Channel]
> 
> set mproto pimDM
> set mrthandle [$ns mrtproto $mproto {}]
> 
> set cbr0 [new Agent/CBR]
> $ns attach-agent $n0 $cbr0
> $cbr0 set dst_ 0x8001
> 
> set rcvr [new Agent/LossMonitor]
> $ns attach-agent $n3 $rcvr
> $ns at 0.0 "$cbr0 start"
> $ns at 0.3 "$n3 join-group $rcvr 0x8001"
> $ns at 1.2 "$n2 join-group $rcvr 0x8001"
> 
> $ns at 2.0 "finish"
> 
> proc finish {} {
>         global ns
>         $ns flush-trace
> 
>         puts "running nam..."
>         exec nam out.nam &
>         exit 0
> }
> 
> $ns run
> 
>    
>