How can I create a QueueMonitor Object ?

["XuDong Wu" <xudong_wu@hotmail.com>]

Hi, ns gurus :

I would like to create a QueueMonitor, But ihave encountered
the following problem when compiling:

In *.tcl file I wrote the following statement:
set qvar [$ns monitor-queue $r0 $k0]

When compiling, I got such information:


no value given for parameter "qtrace" to "_o3"
    (Simulator monitor-queue line 1)
    invoked from within
"$ns monitor-queue $r0 $k0"

What is the problem ?

Regards

Xudong








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