[ns] units in command()

[Manimaran Selvaraj <ms8@ece.msstate.edu>]

Hi,
If i read a bandwidth value of 2Mb from tcl file in the following way:

tcl:
$scheduler set_target_rate 2Mb

and read the value in in the corresponding .cc file in the following way:

int Classname::command(int argc, const char *const*  argv)
{