Re: NS Error Message

[Haobo Yu <haoboy@isi.edu>]

you have another ns in your path? 

On Tue, 15 Feb 2000, Tan, Pek-Yew wrote:

> Hi everybody,
> 
>     I encountered some problem while I used a newly
> created agent on ns. I've use the ping agent in Marc Greis's
> tutorial to show the problem.
> 
>     The script file (ping.tcl) is similiar to the one in
> tutorial except I run the following line after simulator
> object have been created.
> 
> 
> set p0 [new Agent/Ping]
> 
> 
> The error message after running the following command
> 
>    > ns ping.tcl
> 
> The output is as follows :-
> 
> invalid command name "Agent/Ping"
>     while executing
> "Agent/Ping create _o56 "
>     invoked from within
> "catch "$className create $o $args" msg"
>     (procedure "new" line 3)
>     invoked from within
> "new Agent/Ping"
>     (file "ping.tcl" line 27)
> 
> 
>     The platform I run ns is FreeBSD ver 3.2. If I run ns with the ping
> agent
> from the debugger, gdb, the problem does not exist.
> 
>     Can anyone suggest the probable cause of the problem.
> 
> Best Regards,
> Pek Yew
> 
> 
>