Hello,
I have installed ns-allinone-2.31 under cygwin...

i tried running tora.tcl... (using ns tora.tcl command). But i got 
the following message...
Moreover .nam and .tr files formed are of 0 bytes...


num_nodes is set 6
INITIALIZE THE LIST xListHead

     (_o22 cmd line 1)
     invoked from within
"_o22 cmd port-dmux _o37"
     invoked from within
"catch "$self cmd $args" ret"
     invoked from within
"if [catch "$self cmd $args" ret] {
set cls [$self info class]
global errorInfo
set savedInfo $errorInfo
error "error when calling class $cls: $args" $..."
     (procedure "_o22" line 2)
     (SplitObject unknown line 2)
     invoked from within
"$agent port-dmux $dmux_"
     (procedure "_o19" line 11)
     (Node/MobileNode add-target-rtagent line 11)
     invoked from within
"$self add-target-rtagent $agent $port"
     (procedure "_o19" line 23)
     (Node/MobileNode add-target line 23)
     invoked from within
"$self add-target $agent $port"
     (procedure "_o19" line 15)
     (Node attach line 15)
     invoked from within
"$node attach $ragent [Node set rtagent_port_]"
     (procedure "_o3" line 72)
     (Simulator create-wireless-node line 72)
     invoked from within
"_o3 create-wireless-node"
     ("eval" body line 1)
     invoked from within
"eval $self create-wireless-node $args"
     (procedure "_o3" line 23)
     (Simulator node line 23)
     invoked from within
"$ns_ node"
     invoked from within
"set node_(0) [$ns_ node]"
     (file "tora.tcl" line 115)

Almost same thing happens for other .tcl files (having channel 
type Wireless)...
Please help me.. Its really very urgent...
Thanks in advance...
Manpreet..

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