[ns] Two problems in running ns2

["HsinChi" <m8945@cn.ee.ccu.edu.tw>]

Hello

 

I have two questions in running ns2

 

1.

I need node_(2) to send a message to node_(1).

 

I write the script as :

 

set m_(1) [new Agent/Message]
$ns_ attach-agent $node_(2) $m_(1)
set m_(0) [new Agent/Message]
$ns_ attach-agent $node_(1) $m_(0)
$ns_ connect $m_(1) $m_(0)
$ns_ at 5.11404749244173 "$m_(1) send"

 

but it can not work .

 

How can I make it work ?

 

2.

I download the example wireless2.tcl which is introduced in Marc Greis's tutorial.

I can not run it in ns2.1b6 version.

I can run it in ns2.1b8 version but still it shows some warning message.

Is the example correct  or something wrong in ns2.1b6 version ?

 

Hope someone help

 

Thanks in advance

 

Wang Hsin Chi