hello all,
I am using ns2.33 version of ns.
I am using following  commands to change the packet flow color
$ns  color 1 Red
$tcp0 set class_ 1
 but with this  their is no change of packet flow color. even I have tried
instead of class fid also but stll it is not working.

and other commands like
$node4 color blue - this is not giving any execution error but their is no
change of node colour
$ns at 0.0 "$node0 color red" gives the following error---
num_nodes is set 6
INITIALIZE THE LIST xListHead
Starting Simulation...
ns: _o14 color red: can't read "attr_(COLOR)": no such element in array
   while executing
"eval list "n -t [format "%.15g" [$ns now]] -s $id_ -S COLOR -c $color -o
$attr_(COLOR) -i $color -I $attr_(LCOLOR)""
   invoked from within
"if [$ns is-started] {

$ns puts-nam-config  [eval list "n -t [format "%.15g" [$ns now]] -s $id_ -S
COLOR -c $color -o $attr_(COLOR) -i $color -I $attr..."
   (procedure "_o14" line 6)
   (Node color line 6)
   invoked from within
"_o14 color red"

can any one  help me out.
regards,
Preeti khanwalkar

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